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A herbicidal composition and plant technology, applied in the field of controlling unwanted plant growth, can solve the problems of short duration, prominent weed resistance, perennial weed damage, etc., to reduce application amount, improve control effect, improve compatibility effect
Inactive Publication Date: 2017-05-24
JIANGSU ROTAM CHEM
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Problems solved by technology
[0014] However, with the continuous use of many herbicide varieties in large areas of rice fields, many problems have also arisen: (1) Weed resistance is outstanding, among which the resistance of barnyardgrass to propanil and butachlor is more prominent , and the resistance of Cyperaceae weeds to sulfonylurea herbicides has gradually emerged; (2) The damage of older weeds and perennial weeds has become an important problem, especially older barnyard grass and Cyperaceae perennial weeds. Not outstanding; (3) Herbicide varieties have a single effect and short duration
Method used
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[0130] Mix the active components, dispersant, wetting agent and water according to the ratio of the formula, and grind and / or high-speed shear to obtain a suspension concentrate of 6% chlorpyrazosulfuron-methyl + 60% bentazone .
Embodiment 2
[0131] Example 2 2% Clorazosulfuron-methyl+10% Benazone wettable powder
[0138] The active components, various additives and fillers are mixed according to the ratio of the formula, and after being pulverized by an ultrafine grinder, a wettable powder of 2% chlorpyrazosulfuron-methyl + 10% bentazone is obtained.
Embodiment 3
[0139] Example 3 10% chlorpyrazosulfuron-methyl+10% bentazone wettable powder
[0145] The active components, various additives and fillers are mixed according to the proportion of the formula, and after being pulverized by an ultrafine grinder, a wettable powder of 10% chlorpyrazosulfuron-methyl + 10% bentazone is obtained.
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Abstract
The invention provides a weeding composition. Active components of the weeding composition comprise halosulfuron-methyl and bentazone according to a weight ratio of 1:1 to 1:100. The invention also relates to a use of the weeding composition in the control of the growth of broadleaf weeds, cyperaceae weeds, grassy weeds and other unwanted plants, especially in the control of the growth of Echinolchloacrus-galli (ECHCG), Leptochloa chinensis (LEFCH), Cyperus difformis L and other unwanted plants. The invention also provides a method for controlling the growth of the unwanted plants. The method is characterized in that an effective weeding amount of the weeding composition is in contact with the unwanted plants or the growth place of the unwanted plants, or is applied to soil or water in order to prevent the germination or growth of the unwanted plants.
Description
technical field [0001] The present invention belongs to the field of pesticides, and in particular relates to a herbicidal composition and a method for controlling unwanted plant growth. Background technique [0002] The world's food production suffers huge losses due to diseases, insects, and weeds every year, and crops are almost always attacked by various weeds throughout the growing season, and the damage of weeds is also a key factor restricting crop yields. Therefore, the control of agricultural weeds has always been the most concerned and important issue in agricultural production. [0003] Protecting crops from weeds and other vegetation that inhibit crop growth is an ongoing problem in agriculture. To address this problem, many chemicals and chemical formulations to control weed growth have been used commercially. [0004] Rice is one of the main food crops in the world. Nearly half of the world's population, including almost the entire population of East Asia and...
Claims
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Application Information
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