EFFECT OF HERBICIDE (2.4D SODIUM 75% + METSULFURON METHYL 0.7% + ETHYL CHLORIMURON 0.7%) FOR THE CONTROL OF Fimbristylismiliacea IN RICE FIELD Oryza sativa(L.)

Nguyen, Thi Phuong Thao (2017) EFFECT OF HERBICIDE (2.4D SODIUM 75% + METSULFURON METHYL 0.7% + ETHYL CHLORIMURON 0.7%) FOR THE CONTROL OF Fimbristylismiliacea IN RICE FIELD Oryza sativa(L.). Masters thesis, Universitas Andalas.

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Abstract

Key words: weed, weed control, herbicide Fimbristylismiliacea is a serious weed on rice field. Weed competition will cause yield losses. Several methods can be used to control weed such as: manual method, mechanical, cultural, chemical,… Herbicide is considered as a cheap and effective method to manage weed, especially in the large areas. The research has been conducted from July to November 2016 at experimental farm, Agriculture faculty, Andalas University, Indonesia. Experiment used Completely Randomized Design with six treatments and four replications. Herbicide did not affect to the rice growth (plant height and number of tiller). Plots treated with herbicide were recorded a great decrease of weed biomass (97%) and number of weed (89%), compared with no weed control plots. Hand weeding produced 33% higher yield. Herbicide help to increase yield 24-36%.

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