Behavior and bioefficacy of tribenuron-methyl in wheat (Triticum astevum L.) under irrigated agro-ecosystem in India

Environmental Monitoring and Assessment
Irani MukherjeeK K Sharma

Abstract

Possible bioaccumulation of pesticides in crop produce may cause ill effects on animals and humans. Tribenuron-methyl is a new post-emergence herbicide and is highly efficient to control the broad-leaf weeds in cereals, pasture, and plantation crops. There are scarce studies on its bioefficacy, sensitivity to weeds, tolerance to wheat, and persistence in crop produce, which are important information required before recommending an herbicide for use by the farmers. Weed control efficiency of an herbicide is dose-sensitive and site/soil-specific. Tribenuron-methyl (75% DF) was applied at 22.5 and 45.0 g a.i./ha along with the surfactant 300.12 mL/ha as a tank mixes after 30 days of sowing in wheat as post-emergence herbicide. The samples of wheat foliage, soil, and grains at harvest were processed and analyzed for residues by high-performance liquid chromatography using a UV detector at 240 nm. The study revealed that there was a significant reduction in weed population and dry matter accumulation due to tribenuron-methyl application at a higher dose (45.0 g/ha) compared to a lower dose (of 22.5 g/ha). The weed density was found to be from 16.1 to 44.3 no/m(2) for application rate of 22.5 g/ha while at the 45.0 g/ha application, ...Continue Reading

References

Feb 21, 2002·Journal of Agricultural and Food Chemistry·E VullietJ M Chovelon
Jun 15, 2007·Environmental Monitoring and Assessment·Shobha Sondhia
Apr 15, 2010·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Dani DegenhardtAnnemieke Farenhorst
Aug 24, 2010·Pest Management Science·Talaat El SebaïFabrice Martin-Laurent

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Citations

Apr 5, 2017·Bulletin of Environmental Contamination and Toxicology·Mohammad MehdizadehMahmoud Roushani
Nov 3, 2021·Environmental Science and Pollution Research International·Tatiana G VolovaEkaterina I Shishatskaya

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