Prin ISSN 0253-8040
Online ISSN 0974-8164

Indian Journal of

Weed Science

Editorial board


Dr. Sushilkumar
Directorate of Weed Research
Maharajpur, Adhartal, Jabalpur - 482004 (MP), INDIA
Mobile - +91 9425186747
Email- editorisws@gmail
Dr. A.N. Rao
Hydarabad, INDIA
Mobile Number: +91 9440372165
Email: adusumilli.narayanarao@gmail.com

Dr.J.S. Mishra
Patna, INDIA
Mobile - +91 9494240904
Email- jsmishra31@gmail.com

Editors

Dr. M.D. Reddy, (Hyderabad)
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Dr. N. Prabhakaran (Coimbatore)
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Dr. Gulshan Mahajan (Ludhiana)
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Email- mahajangulshan@rediffmail.com
Dr. Ashok Yadav (Patna)
Mobile Number: +91 9416995523
Email: aky444@gmail.com
Dr. Suresh Gautam (Himachal Pradesh)
Mobile - +91 9418150836
Email- skg_63@yahoo.com
Dr. C. Sarthambal (Jabalpur)
Mobile - +91 9943446016
Email- saratha6@gmail.com
Dr. P. Janaki (Coimbatore)
Mobile Number: 9443936160
Email: janakibalamurugan@rediffmail.com
Dr. V.S.G.R. Naidu (Rajahmundry)
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Email- naidudwsr@gmail.comm
Dr. T. Ram Prakash (Hyderabad)
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Dr. T.K. Das (New Delhi)
Mobile Number: 9868128266
Email: tkdas64@gmail.com
Dr. K.A. Gopinath (Hyderabad)
Mobile - +91 9177506238
Email- gopinath@crida.in
Dr. Narendra Kumar (Kanpur)
Mobile - +91 9473929876
Email- nkumar.icar@gmail.com
Effect of Fenoxaprop and Sulfosulfuron Alone and as Tank Mixture Against Complex Flora of Weeds in Wheat
Author Name: R. S. Banga and Ashok Yadav
DOI:                  IJWS-2004-36-3&4-1 Page No:163-165
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Post-emergence application of fenoxaprop at 120 g ha-' was very effective against Avena ludoviciana and was ineffective against Rumex retroflex and Coronopus didymus in wheat. Sulfosulfuron at 20 g ha" being sU\lerior to its lower doses was effective (WeE \l.2%) agalnst these weeds. In general, tanK mlX a\l\l\ication of fenoxa\lro\l and su\fosu\furon at 1\6.7+23.3 g ha-' was more effective than when used as 127.3+12.7 gha-'. Tank mix application of fenoxaprop with 2, 4-D Na at 120+500 g ha-' had poor WeE (32%).

Address: CCS Haryana Agricultural University, Hisar-125 004
Email:
Efficacy ofClodinafop Against Isoproturon-Resistant Phalaris minor in· Relation to Wheat Cultivars and Spacing
Author Name: G Mahajan, L. S. Brar and V. Sardana
DOI:                  IJWS-2004-36-3&4-2 Page No:166-170
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Wheat cultivar PBW-343 caused maximum suppression in dry matter of P. minor by 30.7 and 48.5% over WH-542 and PDW-233, respectively, due to greater competition offered by more number of tillers and resulted in 6.9 and 37.5% higher grain yield over WH-542 and PDW-233, respectively. Narrower row spacing of 15 cm registered lower dry matter of P minor by 18.1% due to higher number of tillers and resulted in increase in mean yield to the tune of 15.7% than normal spacing of 22.5 cm. The study further revealed that PBW-343 at closer spacing exerted more smothering effect and caused 44.5 and 34.8% reduction in dry matter of P. minor when compared with cultivar WH-542 at normal and closer spacing. The studies also indicated that dry matter of P. minor in cultivar PBW-343 when treated with clodinafop 45 g ha" was statistically same when it was compared with cultivar WH-542 and PDW-233 when these were treated with clodinafop at 60 g ha·'. Wheat cultivars PBW-343 and WH-542 treated with clodinafop 45 g ha" gave significantly more grain yield than durum wheat when it was treated with clodinafop 60 g ha·'. It was interesting that use of cultivar PBW-343 in association with clodinafop 45 g ha" and closer spacing of 15 cm gave significantly more grain yield when it was sown at nomlal spacing of 22.5 cm alongwith higher dose of clodinafop 60 g ha-'. Further, the study revealed that bread wheat cultivars PBW-343 and WH-542 at closer spacing when treated with clodinafop either at 45 g ha-' or 60 g ha" gave statistically same yield, however, in case of durum wheat PDW-233, the grain yield significantly decreased at closer spacing when treated with clodinafop at 45 g ha-' in comparison to 60 g ha·'.

Address: Punjab Agricultural University Regional Station, Gurdaspur (Punjab)
Email:
Effect of Doses and Stages of Application of Isopropagyl on Phalaris minor in Wheat
Author Name: S. D. Sharma, Samar Singh, S. S. Punia and Sandeep Narwal
DOI:                  IJWS-2004-36-3&4-3 Page No:171-174
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Isopropagyl applied at 20 days after sowing recorded 78 to 90% control of Phalaris minor. Isopropagyl at 125 and 150 g ha-I provided better control of Phalaris minor than at lower rates. Grain yield of wheat increased with the successive increase in the doses of isopropagyl irrespective of stages of application.

Address: CCSHAU Regional Research Station, Karnal-132 001 (Haryana)
Email:
Weed Management in Zero-till Sown Wheat
Author Name: A. K. Bhardwaj, R. K. Singh, S. P. Singh, Y. Singh, Govindra Singh, R. D. Misra, Mahendra Singh and Abnish Kumar
DOI:                  IJWS-2004-36-3&4-4 Page No:175-177
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Higher weed density and population of Phalaris minor were recorded in conventional tillage than zero tillage. Pre-sowing paraquat application had marked effect on weed growth in zero tillage. Maximum reduction in weed density was obtained with the application of 2, 4-0 and isoproturon (500 g+ 1000 g ha") as mixture under ZT and CT system. Higher average grain yield was achieved under zero tillage wheat with pre-sowing paraquat (500 g ha") application and post-emergence isoproturon (1000 g ha") or mixed application of 2, 4-0 and isoproturon (500 g+ I000 g ha"). Yield achieved in zero tillage without any herbicide application was comparable to conventional tillage with isoproturon application.

Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Bio-efficacy ofMetribuzin and Prometryn in Wheat
Author Name: Govindra Singh, V. P. Singh and Mahendra Singh
DOI:                  IJWS-2004-36-3&4-5 Page No:178-180
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Metribuzin (200, 250 and 300 g ha") provided effective control of P minor and other weeds in wheat. Its higher doses were phytotoxic to wheat. The lower dose was also phytotoxic but at lower degree. Prometryn had poor weed control and. high phytotoxicity on wheat. None of the doses of metribuzin yielded at par with isoproturon at 1.0 kg ha-', sulfosulfuron at 25 g ha-' and weed-free.

Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Efficacy ofCyhalofop-butyl Against Weeds in Rice Nursery
Author Name: S. D. Sharma, S. S. Punia, R. K. Malik and Sandeep Narwal
DOI:                  IJWS-2004-36-3&4-6 Page No:181-183
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Cyhalofop-butyl applied at different doses (60 to 150 g ha') at 14 DAS significantly decreased the density and dry matter of Echinochloa crusgalli (barnyard grass) and increased crop biomass over its application at 8 DAS and weedy check which were at par with pretilachlor with safener (sofit). Only pretilachlor with safener controlled broadleaf weeds. Cyhalofop did not have any effect on the broadleaf weeds.

Address: CCSHAU Regional Research Station, Kamal-132 001 (Haryana)
Email:
Effect of Herbicides on Weeds in Transplanted Rice
Author Name: Rohitashav Singh, Govindra Singh, Dhiman Sen, S. S. Tripathi, Ravi Gopal Singh and Mahendra Singh
DOI:                  IJWS-2004-36-3&4-7 Page No:184-186
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Effect of herbicides on weeds in transplanted rice was evaluated in a field experiment conducted during kharif seasons of 1999 and 2000. Echinochloa colona. Caesulia axillari.\'. Cyperus iria. Commelina benghalensis and Fimbristylis milliaceae were the major weeds in the experimental plots. Riceguard and combination of anilofos and triclopyr at all the doses provided effective control of E. colona. C. iria. C. axillaris. F. milliaceae and C. benghalensis. All the weed control measures produced significantly higher rice grain yield than weedy check. The highest grain yield of rice was obtained with the application of riceguard at 390 g a. i. ha" and anilofos+triclopyr (375+521.5 g a. i. ha"). Pretilachlor and triclopyr at any of the doses could not yield at par with riceguard and anilofos+triclopyr.

Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Evaluation ofClomazone +2, 4-DEE Mixture for Control ofMixed Weed Flora in Transplanted Rice
Author Name: S. D. Sharma, Sandeep NarwaI, S. S. Punia and R. K. Malik
DOI:                  IJWS-2004-36-3&4-8 Page No:187-189
Volume: 36 2004 Full length articles
Keywords:
Abstract:

A new pre-emergence herbicide, clomazone+2,4-DEE, was evaluated for the control of mixed weed flora in transplanted rice. In general, bleached and white colour seedlings of Echinochloa were emerged under c1omazone+2,4-DEE treated plots, later on which were completely dead. In both the years, presence of broadleaf weeds was negligible. In general, per cent control of Echinochloa was significantly higher (90 to 95%) under all the grassy herbicides tested than the weedy plots in the year 2003. It was recorded that weed density and dry weight were significantly lower and were at par among all the doses of clomazone +2,4-DEE, butachlor at 1500 g ha" and aniJofos at 400 g ha-'. Increase in number of tillers was observed in all herbicide treatments over weedy check. The number of tillers and grain yield of paddy obtained under clomazone+2,4-DEE at 1500 g ha" in 2002 and under all the clomazone+2,4-DEE doses tested during the year 2003, were significantly higher over weedy plot and were at par with the yield obtained with the application of butachlor, anilofos and with weed-free treatments. The difference in the performance of c1omazone+2,4-D between the two years study was due to the drought effect in the year 2002 when submergence could not be maintained in the experimental field. Hence, it is concluded that clomazone+2,4-DEE mixture is very effective against Echinochloa in transplanted rice provided submergence is maintained atleast for 15-20 days after the appl ication of herbicide treatment.

Address: CCSHAU Regional Research Station, Karnal-132 001 (Haryana)
Email:
Effect of Fenoxaprop-p-ethyl on Transplanted Rice and Associated Weeds
Author Name: v. P. Singh, Govindra Singh and Mahendra Singh
DOI:                  IJWS-2004-36-3&4-9 Page No:190-192
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Echinochloa colona, Echinochloa crusgalli and /schaemum rugosum were effectively controlled by fenoxaprop at 56.25 g ha". Application of fenoxaprop 10 days after transplanting was relatively better than application 20 days after transplanting in reducing weed density and weed dry matter production. Fenoxaprop at 56.25 g ha" applied 10 days after rice transplanting produced significantly more grain yield than application done at 20 days after transplanting.

Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Weed Dynamics in Wheat as Affected by Rice and Wheat Establishment Methods
Author Name: Shailendra Singh, Govindra Singh and V. P. Singh
DOI:                  IJWS-2004-36-3&4-10 Page No:193-198
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Phalaris minor density was highest in wheat after dry seeded rice (DSR). It was 21.8 and 37.6% higher than in wheat after wet seeded rice (WSR) and transplanted rice (TPR), respectively. Chenopodium album density in wheat after DSR was 38.0 and 49.6% higher than in wheat after WSR and TPR, respectively. Polypogon monspeliensis density in wheat after DSR was 67.5 and 75.0%, higher than in wheat after WSR and TPR, respectively. In conventional tillage wheat (CTW), P minor, C. alhum. P monspeliensis and other weeds had 84.8, 77.8, 71.8 and 33.3% higher density than in zero tillage wheat (ZTW). respecti vel y,

Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Effect of Doses and Stages ofApplication ofTrifluralin on Soybean and Associated Weeds
Author Name: Rohitashav Singh, Govindra Singh, Dhiman Sen, V. K. Singh, R. K. Singh, Ravi Gopal Singh and Mahendra Singh
DOI:                  IJWS-2004-36-3&4-11 Page No:199-202
Volume: 36 2004 Full length articles
Keywords:
Abstract:

A field experiment was carried out to study the effect of doses and stages of application of tritluralin on soybean and associated weeds during kharif 1998 and 1999 at Pantnagar. Results revealed that weed control efficiency of trifluralin at 0.50, 0.75, 1.00, 1.25 and 1.50 kg ha" was higher when applied as pre-plant soil incorporation as compared to its corresponding doses of application as pre-emergence. Uncontrolled weeds, on an average, caused 88.6% reduction in the grain yield of soybean. All the treatments produced significantly more grain yield than weedy check. At all the rates, pre-plant soil incorporation produced significantly higher grain yield of soybean than that of pre-emergence application. Tritluralin at 1.25 and 1.50 kg ha-' as pre-emergence and 1.00 kg ha- I as pre-plant soil incorporation produced almost similar grain yield of soybean.

Address: G.. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Effect ofVarieties, Crop Geometries and Weed Management Practices on Weed Growth and Grain Yield ofSoybean
Author Name: N. Pandya, G S. Chouhan and V. Nepalia
DOI:                  IJWS-2004-36-3&4-12 Page No:203-206
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Field experiments were conducted during kharif seasons of 200 I and 2002 at Instructional Farm, Rajasthan College of Agriculture, MPUAT, Udaipur. Results indicated that variety JS-335 produced significantly higher grain yield (16.09 q ha") than JS 71-05 and NRC-37, though there existed no significant variation among varieties, when judged in terms of weed density and dry matter. Crop geometries (30 cm x 10 cm and 20 cm x 15 cm) did not show any significant effect on weeds as well as on crop. Pre-emergence application of clomazone at 1.0 kg ha" reduced the population of Echinochloa colona, Cynodon dactylon, Cyperus rotundus, Trianthema portulacastrum, Parthenium hysterophorus and Commelina benghalensis. while post-emergence herbicide fenoxaprop-p-ethyl at 75 g ha" (at 20 DAS) was effective against E. colona and C. dactylon only. Both the herbicides failed to control Amaranthus spinosus and Digera arvensis. Two hand weedings (at 20 and 40 DAS) and c1omazone at 1.0 kg ha" pre-emergence+HW (at 40 DAS) were found most appropriate treatments, when judged in terms of reducing total weed density and dry matter, and increasing soybean grain yield.

Address: Maharana Pratap University ofAgriculture & Technology, Udaipur-313 001 (Rajasthan)
Email:
Evaluation ofBentazon and its Ready Mix Formulation with Blazer for Weed Control in Soybean
Author Name: v. P. Singh, Govindra Singh and Mahendra Singh
DOI:                  IJWS-2004-36-3&4-13 Page No:207-209
Volume: 36 2004 Full length articles
Keywords:
Abstract:

There was no control of Echinochloa colona due to application of bentazon, blazer or their ready mix formulation. Bentazon applied alone or in combination with blazer caused drastic reduction in the density of Celosia argentea, Trianthema monogyna and Cleome viscosa. Bentazon as follow up application over pre-plant incorporation of fluchloralin provided effective control of both grasses and non-grasses. The lowest weed dry matter production was recorded in plots treated with fluchloralin followed by bentazon or bentazon+blazer. Grain yields were significantly higher due to the bentazon at 720, 1200 and 2400 g ha" than at 540 g ha",

Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Integrated Weed Management in Soybean on Farmers Field
Author Name: R. L. Rajput and S. S. Kushwah
DOI:                  IJWS-2004-36-3&4-14 Page No:210-212
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Two weedings done 20 and 30 days after sowing gave highest weed control efficiency (85.6%), highest seed yield (1860 kg ha") and highest net return (Rs. 8086 ha"). This was followed by pre-emergence application of pendimethalin at 1.0 kg ha· l supplemented with one weeding at 30 days stage.

Address: 1. N. K. V. V. Krishi Vigyan Kendra, Rajgarh, Biaora (M. P.)
Email:
Effect ofWeed Management and Staggered Sowing of Sunflower on Weed Dynamics and Groundnut Pod Equivalent Yield in KharifGroundnut and Sunflower Intercropping
Author Name: B. Ravindranatha Reddy and P. Maheswara Reddy
DOI:                  IJWS-2004-36-3&4-15 Page No:213-217
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Pre-emergence application of metolachlot+hand weeding or pendimethalin+hand weeding was effective in reducing the density and dry weight of weeds. Two hand weedings were less effective in controlling weeds. Simultaneous sowing of groundnut+suntlower (4 : I) recorded lower density and dry matter of weeds than sole crop of groundnut and sunflower. Pod equivalent yield was higher with staggered sowing of sunflower two weeks after sowing of groundnut in 4 : 1 ratio.

Address: S. V. Agricultural College, Tirupati-517 502 (A. P.)
Email:
Integrated Weed Management in Blackgram (Vigna mungo L.)
Author Name: J. P. S. Rathi,A. N. Tewari and M. Kumar
DOI:                  IJWS-2004-36-3&4-16 Page No:218-220
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Field investigation was carried out for two consecutive years (200 I and 2002) to develop an eco-friendly integrated weed management technology for blackgram (Vigna mungo L.) grown under rainfed eco-system of Central Uttar Pradesh. Results revealed that low dose of pendimethalin (0.5 kg ha") followed by one hand weeding done at 60 days after sowing demonstrated intended weed control (67.80% WeE), enhanced higher grain yield (379 kg' ha" or 119.49%) and fetched net monetary return (Rs.3611 ha") due to weed control.

Address: Chandra ShekharAzad University ofAgriculture & Technology, Kanpur-208 002 (U. P.)
Email:
Effect of Different Densities of Cuscuta chinensis on Lentil and Chickpea
Author Name: B.T. S. Moorthy, J. S. Mishra, Manish Bhan and R P. Dubey
DOI:                  IJWS-2004-36-3&4-17 Page No:221-223
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Increasing densities of Cuscula significantly reduced the seed yields of lentil and chickpea. The losses in seed yield due to increasing densities of Cuscula ranged from 20 to 95% in lenti I and 28 to 100% in chickpea, indicating that at the same weed density, chickpea was more susceptible to this weed than lentil.

Address: Maharajpur, Adhartal, Jabalpur-482 004 (M. P.)
Email:
Integrated Weed Management in Indian Mustard
Author Name: R. S. Banga,Ashok Yadav and Ravinder Bisht
DOI:                  IJWS-2004-36-3&4-18 Page No:224-226
Volume: 36 2004 Full length articles
Keywords:
Abstract:

One hand weeding supplemented with thiozypyr at 120 or 150 g ha·1 being statistically at par with two hand weedings (20 and 40 DAS) reduced the dry weight of weeds to the extent of 90% and resulted in seed yield of mustard statistically equivalent to weed-free plots. Chlorimuron caused 92-98% crop injury. Weeds growing throughout the crop season resulted in 24.7% reduction in seed yield of mustard.

Address: CCS HaryanaAgricultural University, Hisar-125 004 (Haryana)
Email:
Effect ofWeed Management and Fertility Levels on Rajmash (Phaseolus vulgaris) and Associated Weeds under Dry Temperate High Hills in Himachal Pradesh
Author Name: M. C. Rana, G D. Sharma, Akhilesh Sharma and S. S. Rana
DOI:                  IJWS-2004-36-3&4-19 Page No:227-230
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Field experiment was conducted during the summer of 1999 and 2000 at Kukumseri (2872 m above msl) on sandy loam soil to find out viable fertility level in relation to weed control in rajmash. All the herbicide treatments being statistically at par among themselves produced significantly lower weed number and dry matter, thus resulting in significantly higher seed yield of rajmash over weedy check. The minimum weed number and dry matter accumulation were recorded following the application of pendimethalin 0.9 kg+alachlor 0.75 kg ha" and resulted in weed control efficiency of 71.7% as compared to weedy check. This was followed by alachlor 1.5 kg ha" and pendimethalin 1.2 kg ha·'. The highest benefit : cost ratio was resulted following the application of alachlor at 1.50 kg ha". Weed population was not influenced by increase in fertility levels. Significantly highest weed biomass was recorded when crop was fertilized with 150% of recommended fertility level (40 kg N, 60 kg P,O, and 30 kg K,O ha"). Increase in fertility level did not bring significant increase in the yield attributes and grain yield. The benefit: cost ratio was highest (5.14) following 100% recommended dose.

Address: CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062 (H. P.)
Email:
Management ofComplex Weed Flora inSeedPotato with Herbicidal Mixtures under Dry Temperate High Hills ofHimachal Pradesh
Author Name: M. C. Rana, R. S. Rana, Akhilesh Sharma and S. S. Rana
DOI:                  IJWS-2004-36-3&4-20 Page No:231-235
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Field experiment was conducted during the summer seasons of 1999 and 2000 at Kukumseri to evaluate some herbicide mixtures for controlling weeds in potato on sandy loam soil. Combinations of atrazine 0.75 kg ha" with isoproturon 1.0 kg and pendimethalin 0.9 and 0.6 kg ha", atrazine at 1.0 kg ha", pendimethalin at 1.2 kg ha", hand weeding twice and farmers' practice (earthing up at 80% emergence) being statistically at par, resulted in significantly lower dry weight of weeds than other herbicide mixture and check treatments. However, all the combinations of atrazine 0.75 and 0.5 kg ha" with isoproturon 1.0 and 0.75 kg ha" and pendimethalin 0.9 and 0.6 kg ha" except atrazine 0.50 kg+isoproturon 0.75 kg ha" and atrazine 0.50 kg+pendimethalin 0.6 kg ha", atrazine at 1.0 ha", isoproturon at 1.25 kg ha" and pendimethalin 1.2 kg ha", hand weeding twice and farmers' practice being statistically similar produced significantly higher tuber yield than weedy check. All herbicide treatments were superior to hand weeding twice and farmers' practice in influencing marginal benefit: cost ratio (MBCR). Highest MBCR (72.2) was resulted following the application of isoproturon at 1.25 kg ha" and was followed by atrazine at 1.00 kg ha"

 

(69.4).

Address: CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062 (H. P.)
Email:
Bio-efficacy and Phytotoxicity ofOxadiargyl in Onion (Allium cepa var. aggregatum)
Author Name: R. M. Kathiresan, I. Gnanavel, U. V. Jayakanth, M. P. Arulchezhian, R. Anbhazhagan and S. P. Padmapriya
DOI:                  IJWS-2004-36-3&4-21 Page No:236-238
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Oxadiargyl at 90 g ha" applied three days after planting recorded the least weed count and weed dry matter production favouring higher bulb yield (11.1 t ha"). Oxadiargyl at 75 gIn' w.as next in order followed by oxadiargyl at 60 g ha". No phytotoxicity was observed in all the treatments including four times the recommended dose of oxadiargyl (360 g ha"), in respect of wilting, vein clearing, necrosis, epinasty and hyponasty.

Address: Annamalai University, Annamalainagar-608 002 (Tamil Nadu)
Email:
Integrated Weed Management in KharifSesamum
Author Name: N. M. Sukhadia, B. B. Ramani, R. K Mathukia and V. D. Khanpara
DOI:                  IJWS-2004-36-3&4-22 Page No:239-242
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Field experiment was carried out on the medium black calcareous soil of Gujarat Agricultural University, Junagadh (Gujarat) during kharif seasons of 2000, 200 I and 2002. Four' herbicides as sole application and its lower rate integrated with an interculturing were compared with interculture with weeding at 20 DAS, two intercultures with weeding at 20 and 40 DAS, weed-free (weeding at 15, 30, 45 and 60 DAS) and unweeded control. The results revealed that two intercultures with weeding at 20 and 40 DAS proved its superiority over rest of the weed management treatments in sesamum. Among herbicidal treatments, integration of herbicides with an interculturing proved better than their sole application.

Address: GujaratAgricultural University, Junagadh-362 001 (Gujarat)
Email:
Persistence of Chlorsulfuron in Sandy Loam Soil in Relation to Temperature
Author Name: Amarjeet, S. S. Punia and R. K. Malik
DOI:                  IJWS-2004-36-3&4-23 Page No:243-248
Volume: 36 2004 Full length articles
Keywords:
Abstract:

The dry weight of maize shoot, the test plant increased significantly with each successive increase in temperature level from 15-35°C and incubation period from 0-120 days. Whereas increase in concentration of chlorsulfuron (0 to 40 ppb) caused significant reduction in dry weight of maize shoot. At 120 days of incubation, the GR,o (Growth reduction 50%) at 35°C was approximately 10 times higher than that at 15°C. The half-life of chlorsulfuron was 142, 93 and 80 days at 15, 25 and 35°C, respectively.

Address: CCS Haryana Agricultural University, Hisar-125 004 (Haryana)
Email:
Effect of Different Densities .of Cuscuta on Varieties of Niger [Guizotia abyssinica (L. f.) Cass]
Author Name: B. T. S. Moorthy, Manish Bhan, J. S. Mishra and R. P. Dubey
DOI:                  IJWS-2004-36-3&4-24 Page No:249-252
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Reduction in niger seed yield was minimum in cv. Ootacamund (63%) due to Cuscuta infestation. Niger height and per cent Cuscuta infestation were reduced with increasing densities of Cuscuta. A density of single plant of Cuscuta m-2 caused 100% infestation to niger in 80 days; however, it was lesser at lower densities (73.7 to 74.3%). There was a reduction in niger seed yield from 55 to 99.2% with increasing densities of Cuscuta (0.258 mo2).

Address: National Research Centre for Weed Science, Maharajpur, Jabalpur-482 004
Email:
Integrated Weed Management in Coleus amboinicus/aromaticus (Benth.)
Author Name: R M. Kathiresan and I. Gnanavel
DOI:                  IJWS-2004-36-3&4-25 Page No:253-255
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Pre-emergence application of oxyfluorfen at 0.15 kg hao ' followed by one hand weeding at 35 days after planting recorded the least weed count and weed dry matter production (22.1 g mo ') favouring higher herbage yield (31.84 t hao '). Application of oxyfluorfen, f1uchloralin, pendimethalin and alachlor at lower doses in combination with one hand weeding produced significantly higher herbage yields than application of these herbicides alone in higher doses.

Address: Annamalai University,Annamalainagar-608 002 (Tamil Nadu)
Email:
Biochemical and Molecular Mechanisms of Resistance Against Isoproturon in Phalaris minor: Variations in Protein and RAPD Profiles ofIsoproturon Resistant and Sensitive Phalaris minor Biotypes
Author Name: D. V. Singh, A. K Gaur and D. P. Mishra
DOI:                  IJWS-2004-36-3&4-26 Page No:256-259
Volume: 36 2004 Full length articles
Keywords:
Abstract:

Phalaris minor (Retz.) has developed resistance against isoproturon in northern parIs of India. The biochemical and molecular mechanism(s) of resistance are not known so far. The present investigation was thus undertaken to predict some probable mechanism(s) by comparing the protein profiles of PS-ll and microsomal fractions for both biotypes when treated with isoproturon as well as RAPD profiles of the genomic DNA in isoproturon resistant and sensitive biotypes of P. minor. Protein profiles on gradient-PAGE were same for both biotypes as well as after treatment with different levels of isoproturon suggesting induction of no new protein(s) in PS-[] enriched and cytochrome P450 fractions. While RAPD analysis of genomic DNA showed difference in their banding patterns in two biotypes. This suggested that isoproturon resistance might be due to variation in many genes, which perhaps have regulatory roles.

 

 

Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Reversal of Isoproturon Resistance by Malathion in Phalaris minor Retz.
Author Name: Rupa S. Dhawan
DOI:                  IJWS-2004-36-3&4-27 Page No:260-261
Volume: 36 2004 Short communications
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Abstract:
Address: CCSHAU Regional Research Station, Kamal-132 00 I(Haryana)
Email:
Effect ofTraisulfuron (Logran 20 WG) on Non-grassy Weeds and WheatYield
Author Name: V. P. Singh, Govindra Singh and Mahendra Singh
DOI:                  IJWS-2004-36-3&4-28 Page No:262-264
Volume: 36 2004 Short communications
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Abstract:
Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Effects ofMethods of Rice Transplanting and Herbicides on Echinochloa crusgalli and Rice
Author Name: Vinod Kumar, Ashok Yadav and R. K. Malik
DOI:                  IJWS-2004-36-3&4-29 Page No:265-266
Volume: 36 2004 Short communications
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Abstract:
Address: CCS Haryana Agricultural University, Hisar-125 004 (Haryana)
Email:
Effect of Pretilachlor Alone and in Combination with 2, 4-D on Weeds and Grain Yield of Rice (Oryza sativa L.)
Author Name: P. Kathintelan and V. Vaiyapuri
DOI:                  IJWS-2004-36-3&4-30 Page No:267-268
Volume: 36 2004 Short communications
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Abstract:
Address: Tamil NaduAgricultural University, Coimbatore-64I 003 (Tamil Nadu)
Email:
Effect of Herbicides on Dry Seeded Rice (Oryza sativa L.) and Associated Weeds
Author Name: Fayaz Ahmed Bahar and Govindra Singh
DOI:                  IJWS-2004-36-3&4-31 Page No:269-270
Volume: 36 2004 Short communications
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Abstract:
Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Bio-efficacy ofTepraloxydim and Dimethanamid in Soybean
Author Name: v. P. Singh, Govindra Singh and Mahendra Singh
DOI:                  IJWS-2004-36-3&4-32 Page No:271-273
Volume: 36 2004 Short communications
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Abstract:
Address: G. B. Pant University ofAgriculture & Technology, Pantnagar-263 145 (Uttaranchal)
Email:
Performance of Chickpea Varieties under Sub-optimal and Optimal Weed Management Conditions
Author Name: B. T. S. Moorthy and R. P. Dubey
DOI:                  IJWS-2004-36-3&4-33 Page No:274-275
Volume: 36 2004 Short communications
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Abstract:
Address: National Research Centre for Weed Science, Jabalpur (M. P.)
Email:
Relative Efficacy and Economics of Integrated Weed Management in Blackgram under Semi-humid Climate of Punjab
Author Name: Vikas Bhandari, Bhupinder Singh, J. S. Randhawa and Jagshand Singh
DOI:                  IJWS-2004-36-3&4-34 Page No:276-277
Volume: 36 2004 Full length articles
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Address: Khalsa College, Amritsar-141 003 (Punjab)
Email:
Bio-efficacy of Herbicides Against Cuscuta in Blackgram [ngna mungo (L.) Hepper]
Author Name: J. S. Mishra, Manish Bhan, B. T. S. Moorthy and N.T. Yaduraju
DOI:                  IJWS-2004-36-3&4-35 Page No:278-279
Volume: 36 2004 Short communications
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Abstract:
Address: Maharajpur, Jabalpur-482 004 (M. P. )
Email:
Effect of Varying Density of Cyperus rotundus, Echinochloa colona and Trianthema portulacastrum on Mungbean
Author Name: S. S. Punia, R. S. Malik, Ashok Yadav and R. S. Rinwa
DOI:                  IJWS-2004-36-3&4-36 Page No:280-281
Volume: 36 2004 Short communications
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Abstract:
Address: CCS Haryana Agricultural University, Hisar-125 004 (Haryana)
Email:
Weed Suppressing Ability of Pea Cultivars
Author Name: J. S. Mishra, V. P. Singh, B. T. S. Moorthy and N. T. Yaduraju
DOI:                  IJWS-2004-36-3&4-37 Page No:282-284
Volume: 36 2004 Short communications
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Abstract:
Address: Jabalpur-482 004 (Madhya Pradesh)
Email:
Influence of Weed Control and Sulphur Nutrition on Weed Dynamics and Productivity of Pea (Pisum sativum L.)
Author Name: Ramesh Verma, V. Nepalia and S. K. Kumawat
DOI:                  IJWS-2004-36-3&4-38 Page No:285-286
Volume: 36 2004 Short communications
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Abstract:
Address: Maharana Pratap University of Agriculture & Technology, Udaipur-313 001 (Rajasthan)
Email:
Evaluation ofAlachlor, Metolachlor and Pendimethalin for Weed Control in Rajmash (Phaseolus vulgaris L.) in Cold Desert ofNorth-Western Himalayas
Author Name: G. D. Sharma, J. J. Sharma and Sonia Sood
DOI:                  IJWS-2004-36-3&4-39 Page No:287-289
Volume: 36 2004 Short communications
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Address: Highland Agricultural Research and Extension Centre, Kukumseri-175 142 (H. P.)
Email:
Integrated Weed Management in Mustard (Brassicajuncea L.)
Author Name: B. R. Bazaya, Dileep Kachroo and R. K. Jat
DOI:                  IJWS-2004-36-3&4-40 Page No:290-292
Volume: 36 2004 Short communications
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Abstract:
Address: Sher-E- Kashmir University ofAgricultural Sciences & Technology, Jammu (J & K)
Email:
Effect ofGlyphosate on Purple Nut Sedge (Cyperus rotundus) in Watermelon (Citrullus vulgaris) Seed Crop Yield
Author Name: Nisha Chopra and N. K. Chopra
DOI:                  IJWS-2004-36-3&4-41 Page No:293-294
Volume: 36 2004 Short communications
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Abstract:
Address: Indian Agricultural Research Institute Regional Research Station, Kamal-132 001 (Haryana)
Email:
Effect of Tillage and Irrigation Levels on the Persistence ofFluchIoralin and Pendimethalin Applied in Cumin on SucceedingCrop ofPearlmillet under Arid Conditions
Author Name: R. S. Yadav, M. L. Mehriya and B. L. Poonia
DOI:                  IJWS-2004-36-3&4-42 Page No:295-296
Volume: 36 2004 Short communications
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Abstract:
Address: R. A. U. Agricultural Research Station, Mandor, Jodhpur (Rajasthan)
Email:
Weed Management in Sugarcane and Mash Intercropping System
Author Name: Gulshan Mahajan ,L. S. Brar, M. S. Bhullar, B. S. Boparai and V. Sardana
DOI:                  IJWS-2004-36-3&4-43 Page No:297-299
Volume: 36 2004 Short communications
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Address: Punjab Agricultural University Regional Station, Gurdaspur (Punjab)
Email:
Effect ofCultural and Chemical Methods on Weeds and Fruit Yield of Green Chilli (Capsicum annum L.)
Author Name: R. B. Patel, T. N. Barevadia, B. D. Patel and M. I. Meisuriya
DOI:                  IJWS-2004-36-3&4-44 Page No:300-301
Volume: 36 2004 Short communications
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Abstract:
Address: Anand Agricultural University, Anand-388 110 (Gujarat)
Email:
Efficacy of Herbicides in Transplanted Tomato (Lycopersicon esculentum Mill.) under Earthingup and without Earthingup Situation
Author Name: R. B. Patel, T. N. Barevadia, B. D. Patel and M. I. Meisuriya
DOI:                  IJWS-2004-36-3&4-45 Page No:302-303
Volume: 36 2004 Short communications
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Address: Anand Agricultural University,Anand-388 110 (Gujarat)
Email:
Effect ofMethods of Herbicide Application on Weeds and Okra [Abelmoschus esculentus (L.) Moench]
Author Name: R. B. Patel, B. D. Patel, M. I. Meisuriya and V. J. Patel
DOI:                  IJWS-2004-36-3&4-46 Page No:304-305
Volume: 36 2004 Short communications
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Address: Anand Agricultural University, Anand-388 110 (Gujarat)
Email:
Bio-efficacy of GlufosinateAmmonium for Weed Control in American Cotton
Author Name: Tarlok Singh, R. K. Bhatia, Surjit Singh and S. P. Mehra
DOI:                  IJWS-2004-36-3&4-47 Page No:306-307
Volume: 36 2004 Short communications
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Address: Punjab Agricultural University, Ludhiana-141 004 (Punjab)
Email:
Economics oflntegrated Weed Management Practices in Sunflower Based Intercropping System
Author Name: R. Vedharethinam,A. Sundari, S. Kalaisudarson and S. M. Suresh Kumar
DOI:                  IJWS-2004-36-3&4-48 Page No:308-309
Volume: 36 2004 Short communications
Keywords:
Abstract:
Address: Annamalai University, Annamalainagar-608 002 (Tamil Nadu)
Email:
Comparative Efficacy ofMON 8793, Paraquat and Glyphosate for Weed Control under Non-cropped Situations
Author Name: B. B. Ramani and N. M. Sukhadia
DOI:                  IJWS-2004-36-3&4-49 Page No:310-312
Volume: 36 2004 Short communications
Keywords:
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Address: GujaratAgricultural University, Junagadh (Gujarat)
Email:
Effect of Herbicides on Chromolaena odorata (L.)
Author Name: L. G Pawarand S. T. Thorat
DOI:                  IJWS-2004-36-3&4-50 Page No:313-314
Volume: 36 2004 Short communications
Keywords:
Abstract:
Address: Dr. B. S·. Konkan Krishi Vidyapeeth, Dapoli-415 712, Dist. Ratnagiri (Maharashtra)
Email: