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A technology of fenpyramid and composition, which is applied in the direction of herbicide, algicide, biocide, animal repellent, etc., can solve the problems of poor control effect, reduce the dosage, improve the weeding effect, The effect of good control effect
Active Publication Date: 2015-01-28
甘肃滨农科技有限公司
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[0004] Mefenpyramid is an aryloxyphenoxypropionate herbicide developed by the Korea Chemical Technology Research Institute. It is an acetyl-CoA carboxylase (ACCase) inhibitor. The whole plant accumulates in the plant meristem, inhibits the activity of acetyl-CoA carboxylase, causes fatty acid synthesis to be blocked, causes leaf yellowing, and finally kills weeds. It can effectively control the main grass weeds in rice fields, and has low toxicity. , is environmentally safe, has wide compatibility, and is expected to be used for weeding other crops and lawns. It is a promising herbicide, but the herbicide is ineffective against broadleaf and sedge weeds
[0005] There have been a lot of literature reports on herbicide compositions containing promasulfuron-methyl or fenoxazone. For example, patent CN103271066A discloses that promasulfuron-methyl and pyrazosulfuron-methyl are used for weeding in paddy fields. The two active ingredients The mechanism o
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[0039] Formulation Example 1: 50% promethazine sulfuron-methyl·oxaflufen wettable powder
[0040] Weigh 14.3% promethazine sulfuron-methyl, 35.7% oxfenacet, 2% sodium lauryl sulfate, 5% sodium lignosulfonate, white carbon black 10%, kaolin supplemented to 100%, and prepared by routine The wettable powder method includes pre-mixing, jet pulverization, and post-mixing to obtain 50% of the wettable powder of promethazine and sulfensulfuron.
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[0041] Formulation Example 2: 77% Promethazine sulfuron-methyl·oxaflufen wettable powder
[0042] Weigh 7% promethazine sulfuron-methyl, 70% oxadifen, 3% alkyl naphthalene sulfonate, 4% fatty alcohol polyoxyethylene ether, kaolin to make up to 100%, and prepare wettable powder by conventional method , Namely, pre-mixing, jet pulverization, and post-mixing, to obtain 77% promethazine and sulfentrazone wettable powder.
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[0043] Formulation Example 3: 37% promethazine sulfuron-methyl·oxafen granules
[0044] Weigh 32% promethazine sulfuron-methyl, 5% oxadifen, 12% dispersant NNO, 0.2% carboxypropyl methylcellulose, 1% starch, 3% calcium chloride, light calcium carbonate to make up 100%, through the conventional method of preparing granules, that is, premixing, jet pulverization, postmixing, kneading with water, granulation, and sieving, to obtain the 37% promethazine and sulfensulfuron oxfenacet granules.
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Abstract
The invention relates to a herbicide composition, and particularly relates to a weeding composition containing chlorpromazine sulfometuron methyl and metamifop as active ingredients for preventing and removing weeds of a paddy field. The weight ratio of the active ingredients chlorpromazine sulfometuron methyl to metamifop in the composition is (1:40) to (32:5); and the percent content of the active ingredients in the composition is 1-80%. The weeding composition is reasonable in components, and good in weed effect; the herbicide controlling spectrum is expanded; the drug delivery times is reduced; the prevention and control cost is reduced; the weed insecticide resistance is delayed; and the weeding composition is safe to rice and is an ideal herbicide.
Description
【Technical field】 [0001] The invention belongs to the technical field of pesticides, and in particular relates to a herbicide composition with promasulfuron-methyl and fenpyramid as active components, which is used for controlling weeds in paddy fields. 【Background technique】 [0002] my country is a large agricultural country, and rice is one of the crops with the largest planting area in our country. In order to ensure the high and stable yield of rice, the country has invested in various aspects, especially the promotion and application of science and technology. Rice is often harmed by various weeds during the growth period. These weeds have strong vitality and compete with rice seedlings for nutrients, water, sunlight, growth space, etc., seriously affecting the growth and development of rice seedlings, resulting in a decline in rice production or even failure . With the development of agricultural science and technology, the popularization and application of chemical ...
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