Infective built fungicide for damping-off and preparation process thereof
A technology for compounding fungicides and fungicides, which is applied in the field of pesticide chemical industry, can solve the problems of poor blight effect and difficulty in controlling the amount of water added, and achieve the effects of improving and protecting the growth environment, easy operation and good effect.
Inactive Publication Date: 2008-02-13
黑龙江企达农药开发有限公司
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Problems solved by technology
However, the existing binary compound medicaments and single-dose products for the treatment of blight are generally liquid products, which need to be sprayed with water, and the amount of water is difficult to control; and the effect of preventing and treating blight is not good, and the disease prevention rate is generally only 60-70%
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[0014] Select raw materials 0.8% thiram, 0.1% metalaxyl, 0.1% thiram and 200-mesh carrier zeolite powder, stir in a mixer for 8 minutes, and then make a fineness ≥ 80 mesh, moisture ≤ 10, PH 5 ~7 fungicide single bag products, each bag weighs 1kg.
[0015] Select 4% sulfuric acid to spray on the carrier coal gangue powder, and the weight of each bag is 7kg, and compound it as an acid-containing carrier to form a single-bag product for acid regulation. Prepare 7kg fertilizer bags at the same time.
[0016] The present invention is a powder. When in use, three bags of products are mixed and then applied to rice seedbeds.
[0017] Below is the test report of the compound fungicide for infectious blight of the present invention:
[0018] 1. Infectious blight of rice is a frequently-occurring disease at the seedling stage. If it is not prevented and controlled in time, it will seriously affect the yield and quality of rice. Compound fungicide.
[0019] 1. Purpose of the test
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The present invention discloses an infective rhizoctonia disease compound bactericide and a production method of the bactericide, which consists of a bactericide and an acid regulating agent; wherein, the effective compositions of the bactericide consists of the thiram, the metalaxyl, the ziram and a carrier; the acid regulating agent consists of the sulfuric acid and a carrier. The production method of the present invention is to uniformly mix the raw materials such as the thiram, the metalaxyl and the ziram with the carrier to be made into a single-bag product of the bactericide; to spray the sulfuric acid on the carrier and to re-mix to be a carrier containing the acid, thereby producing an acid regulating sing-bag product. Re-mixing the thiram, the metalaxyl and the ziram, the present invention has a favorable combinational toxicity, which can improve and protect the growth environment of the crops and can prevent the occurrence of the zinc deficiency. The compound bactericide is made by the powder acid regulating agent directly mixed with the soil, which is simple and convenient to operate; the effective composition of the compound bactericide can increase the seedling in the tri-leaf period to ten or more; the present invention adopts the coal gangue powder and the rice hull powder as the acid carrier, which has high content of the acid and has a favorable aeration; moreover, the coal gangue powder is an organic substance, which can improve the soil without any pollution. The efficiency for adopting the present invention to prevent the rice infective rhizoctonia disease can reach ninety nine percent or more.
Description
technical field [0001] The invention belongs to the technical field of pesticide chemical industry, and in particular relates to a fungicide for treating rice invasive blight. Background technique [0002] In recent years, early breeding and sparse planting of rice has been practiced in northern China. Infectious blight is a frequently-occurring disease at the seedling stage. If it is not controlled in time, it will seriously affect the yield and quality of rice. However, the existing binary compound medicaments and single-dose products for the treatment of blight are generally liquid products, which need to be sprayed with water, and the amount of water is difficult to control; and the effect of preventing and treating blight is not good, and the disease prevention rate is generally only 60-70%. Contents of the invention [0003] The object of the present invention is to provide a compound fungicide for invasive blight and its preparation method, which can prevent and co...
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IPC IPC(8): A01N47/26A01P3/00A01N37/46A01N25/08A01N25/34
Inventor 高树林张惠春
Owner 黑龙江企达农药开发有限公司
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