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2005•Indian Journal of Weed ScienceRequires access

Influence of Application Stage of Sulfonylurea Herbicides for the Control of Phalaris minor in Wheat

U. S. Walia, Manpreet Singh

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Abstract

Sulfosulfuron at 25 g ha−1 and mesosulfuron+iodosulfuron at 12 g ha−1 were applied 4, 7, 10, 15, 18 and 21 days after first irrigation (DAFI) to the wheat crop. First irrigation was given 25 days after sowing the wheat crop. The bioefficacy of these herbicides for controlling Phalaris minor was not affected due to stage of application and was similar to clodinafop. Herbicides applied 4 or 7 DAFI caused reduction in grain yield of wheat. However, application of these herbicides at other stages produced similar grain yields. Herbicides treated plots produced higher grain yield (67.4–86.7%) than unweeded crop.

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What this paper is about

Sulfosulfuron at 25 g ha−1 and mesosulfuron+iodosulfuron at 12 g ha−1 were applied 4, 7, 10, 15, 18 and 21 days after first irrigation (DAFI) to the wheat crop. First irrigation was given 25 days after sowing the wheat crop. The bioefficacy of these herbicides for controlling Phalaris minor was not affected due to stage of application and was similar to clodinafop. Herbicides applied 4 or 7 DAFI caused reduction in grain yield of wheat. However, application of these herbicides at other stages produced similar grain yields. Herbicides treated plots produced higher grain yield (67.4–86.7%) than unweeded crop.

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Available abstract

Sulfosulfuron at 25 g ha−1 and mesosulfuron+iodosulfuron at 12 g ha−1 were applied 4, 7, 10, 15, 18 and 21 days after first irrigation (DAFI) to the wheat crop. First irrigation was given 25 days after sowing the wheat crop. The bioefficacy of these herbicides for controlling Phalaris minor was not affected due to stage of application and was similar to clodinafop. Herbicides applied 4 or 7 DAFI caused reduction in grain yield of wheat. However, application of these herbicides at other stages produced similar grain yields. Herbicides treated plots produced higher grain yield (67.4–86.7%) than unweeded crop.

Key concepts: Phalaris minor, Sulfonylurea, Agronomy, Sowing, Crop, Irrigation, Weed control, Grain yield

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Influence of Application Stage of Sulfonylurea Herbicides for the Control of Phalaris minor in Wheat — Research Paper | ScholarLens