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Agricultural Science Digest, volume 22 issue 2 (june 2002) : 120 - 122

CHEMICAL WEED CONTROL USING NON-SELECTIVE HERBICIDES IN IRRIGATED COTION (G. HIRSUTUMj

T: Nadanassababady·, 0.5. Kandasamy, R. V. Selvi, S. Anbumani

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¹Department of Agronomy, Tamil Nadu Agricultural University, Coimbatore - 641 003,lndia

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Cite article:- Nadanassababady· T:, Kandasamy 0.5., Selvi V. R., Anbumani S. (2024). CHEMICAL WEED CONTROL USING NON-SELECTIVE HERBICIDES IN IRRIGATED COTION (G. HIRSUTUMj. Agricultural Science Digest. 22(2): 120 - 122. doi: .

ABSTRACT

Results of the field study indicated that post-ernergence control of weeds with non-selective herbicide glyphosate 2.05 kg ha −1 fb HW enhanced the seed cotton yield to 1412 kg ha −1, which was 200 kg more than that yield obtained with manual weeding twice (1215 kg ha −1). Pre-emergence control of weeds with pendimethalin 1.0 kg ha −1 fb a manual weeding recorded 1154 kg of seed cotton ha −1 which was also signifkantly inferior to post-emergence weed control. Lower dose of glyphosate 1.025 kg ha −1 fb HW and glufosinate 0.45 kg ha −1 also controlled the weeds effectively and produced comparable cotton yield with that of glyphosate 2.05 kg ha −1 fb HW.

KEYWORDS

REFERENCES

Anderson, w.P. (198:i). Herbicide - plant selectivity. Weed Science; Principles. West Publishing Co.. St. Paul.
Mani. V.S. etai. (1973). Indian Fmg. 23: 17-18.
Panwar, R.S. et a/. (1995). Indian J. Agron. 40: 153-155.
Satao, R.N. eta/. (l998a). Pestoiogy22: 48-51.
Satao, R.N. et ai. (1998b). Pestoiogy 22 (11): 22-28.

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CHEMICAL WEED CONTROL USING NON-SELECTIVE HERBICIDES IN IRRIGATED COTION (G. HIRSUTUMj

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