This article Citation:

Raminder Kaur Hundal* and B.S. Dhillon. 2018. Control of Phalaris minor with sequential application of pre- and post-emergence herbicides and herbicide combinations in wheat . Indian Journal of Weed Science : 50( 4) 351- 354.







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Volume Issue Publication year Page No Type of article
50 4 2018 351-354 Research article
Control of Phalaris minor with sequential application of pre- and post-emergence herbicides and herbicide combinations in wheat

Raminder Kaur Hundal* and B.S. Dhillon

DOI: http://dx.doi.org/10.5958/0974-8164.2018.00075.8

Email: raminderkaurhundal@pau.edu
Address: Krishi Vigyan Kendra, Amritsar

Keywords:

Clodinafop

Herbicide resistance

Phalaris minor

Wheat 



Abstract:

The field efficacy of pre- and post-emergence herbicides and rotational use of different group of herbicides were tested against Phalaris minor in wheat on farmers’ fields during the year 2015-16  and 2016-17. Clodinafop is being used by 64% farmers at Makowal and 44% at village Mallu Nangal from the last five years. None of the farmer was using pre-emergence herbicide. The higher herbicide dose (76% at site I and 80% at site II) coupled with hallow cone nozzle and less quantity of water (200-225 l/ha) resulted in poor control of P.minor. At site I, continuous use of clodinafop resulted in poor weed control efficiency (58.7%) with lower grain yield (4.46 t/ha). Sequential application of pre-emergence herbicide pendimethalin followed by post-emergence application of clodinafop provided effective control of P.minor (WCE 76.8%) and significantly higher yield (5.1 t/ha) over the existing farmers’ practices (2 sprays of clodinafop at 45 and 65 DAS). At the second site,compared to clodinafop with pendimethalin, mesosulfuron + iodosulfuron, fenoxaprop + metribuzin or sulfosulfuron resulted into higher yield with effective weed control efficiency. Highest yield was recorded with spray of mesosulfuron + iodosulfuron (5.1          t/ha) which was statistically at par with pendimethalin (5.06 t/ha), fenoxaprop+ metribuzin (5.01 t/ha) and sulfosulfuron at 15 DAS (4.98 t/ha).





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