Assessment of Weed-suppressing Potential amongRice (Oryza sativa L.) Landraces againstthe Growth of Barnyardgrass (Echinochloa crus-galli P. Beauv) in Field Condition

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Vu Thi Lan Phuong,Luu Thuy Hoa,Le Hung Linh,Nguyen Viet Yen,Khuat Huu Trung, T. D. K. D. B. S. (2017). Assessment of Weed-suppressing Potential amongRice (Oryza sativa L.) Landraces againstthe Growth of Barnyardgrass (Echinochloa crus-galli P. Beauv) in Field Condition. Academy of Agriculture Journal, 2(08). https://doi.org/10.15520/aaj.v2i08.37
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Abstract

Allelopathy can simply be comprehended as the ability of plants to inhibit or stimulate growth of vicinity plants in nature. In this study, a total of 17 rice landraces were evaluated for allelopathy potential against the growth of barnyardgrass (Echinochloa crus-galli) in field screening. Allelopathic activity of the rice showed landrace – dependence and origin dependence. Most rice landraces exhibited inhibition against shoot length, number of panicles and dry weight of barnyardgrass.Four out of 18 rice landraces Nanh chon, Mot bui nam, Nang quat vang and BT7 showed higher allelopathic potential than other landraces. It is a good materials and useful for the improvement of the weed-suppressing ability of rice in this country.

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