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2001•Journal of Agricultural Science Yanbian UniversityRequires access

Effects of weed control yubao herbicide in maize II. Study on different dose of Yubao herbicide

Wu Ming

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Abstract

This paper summarizes the efficiency of weed control of “Yubao”, a new type of herbicide, when the maize grew the third leaf in the North of China. The appropriate dose to apply is 900～1 100 g ai/hm 2. According to this dose, the chenopodiaceae, the amaranthaceae and the cruciferae are killed completely. The rate of weed control is 90% and the digitaria sanguinalis(L.) Scop and cephalanoplos segetum(Bge) Kite is over 70%. The total rate of weed control to all kind of weed can achieve 90%.

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What this paper is about

This paper summarizes the efficiency of weed control of “Yubao”, a new type of herbicide, when the maize grew the third leaf in the North of China. The appropriate dose to apply is 900～1 100 g ai/hm 2. According to this dose, the chenopodiaceae, the amaranthaceae and the cruciferae are killed completely. The rate of weed control is 90% and the digitaria sanguinalis(L.) Scop and cephalanoplos segetum(Bge) Kite is over 70%. The total rate of weed control to all kind of weed can achieve 90%.

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Available abstract

This paper summarizes the efficiency of weed control of “Yubao”, a new type of herbicide, when the maize grew the third leaf in the North of China. The appropriate dose to apply is 900～1 100 g ai/hm 2. According to this dose, the chenopodiaceae, the amaranthaceae and the cruciferae are killed completely. The rate of weed control is 90% and the digitaria sanguinalis(L.) Scop and cephalanoplos segetum(Bge) Kite is over 70%. The total rate of weed control to all kind of weed can achieve 90%.

Key concepts: Digitaria sanguinalis, Weed, Weed control, Digitaria, Agronomy, Biology, Chenopodium, Amaranthaceae

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