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Vol. 11, Issue 1 (2022)

Tank mix herbicide combination effect on weed and yield of wheat in North-Eastern plain zone

Author(s):
Vishal Vikram Singh, Shrish Kumar Singh and Tej Pratap
Abstract:
A field experiment was carried out at main experiment station (Agronomy) of Pili kothi Farm, T.D.P.G. College, Jaunpur. Distt. Jaunpur (Uttar Pradesh) during Rabi of 2019-20 and 2020-2021 to assess the efficacy of herbicide combinations in wheat. Treatments comprised of eight different tank mix combinations of post-emergence herbicides with weed free and unweeded control. Total weed density and weed dry weight at 60 days after sowing was recorded minimum with Sulfosulfuron 75% + (Arylex 20.85% + Florasulam 20%) 25 + 12.76 g/ha at 30 DAS followed Sulfosulfuron 75% + (Arylex 6.95% + Pyroxsulam 25%) 25 + 23.96 g/ha at 30 DAS and considerably better than all other control measures except weed free situation and showed parity with the Clodinafop-propargyl 15% WP + Metsulfuron-methyl 20% WP 60 + 4 g/ha and Sulfosulfuron 75% + Metsulfuron-methyl 20% WP 25+4 g/ha and statistically better than all other treatments except weed free situation. Higher grain yield of wheat was observed in weed free (4522 kg/ha) and was at par with Sulfosulfuron 75% + (Arylex 20.85% + Florasulam 20%) 25 + 12.76 g/ha (4443 kg/ha) and significantly better than other treatments. In terms of grain yield Sulfosulfuron 75% + (Arylex 6.95% + Pyroxsulam 25%) 25 + 23.96 g/ha, Clodinafop-propargyl 15% WP + Metsulfuron-methyl 20% WP 60 + 4 g/ha and Sulfosulfuron 75% + Metsulfuron-methyl 20% WP 25+4 g/ha at par with each other. Results revealed that post-emergence application (PoE) of Sulfosulfuron 75% + (Arylex 20.85% + Florasulam 20%) 25 + 12.76 g/ha at 30 DAS and Sulfosulfuron 75% + (Arylex 6.95% + Pyroxsulam 25%) 25 + 23.96 at 30 DAS gave higher weed control efficiency (84.8 and 78.8%) at 60 DAS and lower weed index (1.74 and 3.66%). The weed free treatment recorded significant improvement in yield attributes, viz. number of effective tillers, grain weight per spike and 1000 grain weight followed by Sulfosulfuron 75% + (Arylex 20.85% + Florasulam 20%) 25 + 12.76 g/ha at 30 DAS followed by Sulfosulfuron 75% + (Arylex 6.95% + Pyroxsulam 25%) 25 + 23.96. All the weed control treatments significantly influenced the grain and straw yield of wheat excluding unweeded control.
Pages: 1359-1362  |  400 Views  214 Downloads


The Pharma Innovation Journal
How to cite this article:
Vishal Vikram Singh, Shrish Kumar Singh, Tej Pratap. Tank mix herbicide combination effect on weed and yield of wheat in North-Eastern plain zone. Pharma Innovation 2022;11(1):1359-1362.

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