This article Citation:

R.K. Mathukia, B.K. Sagarka, D.M. Panara and B.S. Gohil. 2018. Purple nutsedge management by using herbicides alone and in combinations . Indian Journal of Weed Science : 50( 2) 198- 200.







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Volume Issue Publication year Page No Type of article
50 2 2018 198-200 Research note
Purple nutsedge management by using herbicides alone and in combinations

R.K. Mathukia, B.K. Sagarka, D.M. Panara and B.S. Gohil

DOI: http://dx.doi.org/10.5958/0974-8164.2018.00048.5

Email: rkmathukia@jau.in
Address: College of Agriculture, Junagadh Agricultural University, Junagadh, Gujarat 362 001

Keywords:

Glyphosate

Herbicides

Nutsedge



Abstract:

A field experiment was conducted during summer season of 2015-16 at Junagadh (Gujarat) to evaluate efficacy of a herbicides (halosulfuron-methyl, ethoxysulfuron, glyphosate) and their combinations (glyphosate + halosulfuron, glyphosate + ethoxysulfuron) in managing purple nutsedge (Cyperus rotundus L.) under non-crop situation. Maximum purple nutsedge control (92.20%) at 30 days after spraying (DAS) and the lowest regeneration (5.76%) at 60 DAS was recorded with tank-mix glyphosate 1230 g/ha + halosulfuron-methyl 33.75 g/ha at 30 days after emergence (DAE), which was at par with halosulfuron-methyl 80 g/ha at 30 DAE (91.50% and 7.76%, respectively) and halosulfuron-methyl 67.5 g/ha at 30 DAE (89.53% 8.48%, respectively). Ethoxysulfuron 15 g/ha at 30 DAE resulted in significantly the lowest nutsedge control (12.84%) at 30 DAS and the highest regeneration (62.22%) at 60 DAS. The herbicides and their mixtures applied for control of nutsedge during summer season have non-significant effect on plant height and dry matter/plant of succeeding crops, viz. groundnut, pearlmillet, cotton and sesame





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