Purpose of sterilization agent composition for preventing and treating rice diseases
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A fungicide composition, a technology for rice diseases, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of high cost of epoxiconazole, difficult to popularize in a large area, etc., to reduce pollution, reduce costs, and increase efficiency. significant effect
Inactive Publication Date: 2012-12-19
JIANGSU HUIFENG BIO AGRI CO LTD
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Because the compound introduces fluoride ions, it has a particularly high bactericidal activity against rice fungal diseases, but due to the high cost of epoxiconazole, it is difficult to promote it on a large scale
Prochloraz is a broad-spectrum fungicide, which is the most active species among carbamoyl imidazoles. It has good conductivity and is effective against various diseases caused by Ascomycetes, Basidiomycetes, and Deuteromycetes. Good effect, also has good control effect on rice fungal diseases, and the price is moderate, easy to promote, but long-term application, the problem of fungal resistance is becoming more and more prominent
Method used
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Embodiment 1
[0031] Example 1: 30% prochloraz econazole aqueous emulsion
[0032] Prochloraz 5%, epoxiconazole 25%, polyoxyethylene block copolymer 4%, propylene glycol 2%, xanthan gum 3%, polyisosuccinic anhydride-polyethylene glycol copolymer 4%, silicone disinfectant Foaming agent 2%, water make up to 100%.
[0033] In the above-mentioned Example 1, prochloraz manganese salt, prochloraz copper salt, prochloraz zinc salt can also be used instead of prochloraz to prepare this embodiment.
Embodiment 2
[0034] Example 2: 30% prochloraz econazole aqueous emulsion
[0035] Prochloraz 25%, Epoxiconazole 5%, N-Dodecylpyrrolidone 3%, Castor Oil Polyoxyethylene Ether 2%, Glycerin 2%, Polyvinyl Alcohol 3%, Sodium Benzoate 3%, Isooctyl Alcohol 2%, water to make up to 100%.
[0036] In the above-mentioned Example 2, prochloraz manganese salt, prochloraz copper salt, prochloraz zinc salt can also be used instead of prochloraz to prepare this embodiment.
[0037] (two) processing and embodiment of suspending agent
[0038] Mix active ingredients a and b, dispersant, wetting agent, thickener and water according to the proportion of the formula, and get semi-finished products after sand milling and / or high-speed shearing. After analysis, add water and mix evenly Filter to get the finished product.
Embodiment 3
[0039] Example 3: 42% prochloraz copper salt epoxiconazole suspension concentrate
[0040] Prochloraz copper salt 40%, epoxazole 2%, sodium lignosulfonate 8%, white carbon black 2%, ethylene glycol 5%, xanthan gum 2%, water to make up to 100%.
[0041] In the above example 3, prochloraz, prochloraz manganese salt, and prochloraz zinc salt can also be used instead of prochloraz copper salt to prepare this embodiment.
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Abstract
The invention relates to a purpose of a sterilization agent composition for preventing and treating rice diseases. The composition consists of two active substances and agriculture acceptable pesticide auxiliary agents, wherein the ingredient a is epoxiconazole, and the ingredient b is prochloraz (or agriculture acceptable metal salt type compounds of the prochloraz). In the active ingredients, the weight ratio of the epoxiconazole to the prochloraz is 0.03 to 65, and is preferably 0.05 to 55. The sterilization agent composition can be used for effectively preventing and treating rice blast diseases, rice sheath blight diseases and rice brown spot diseases. The composition obtained through compounding the ingredient a and the ingredient b has the positive effects in aspects of fungus resistance delay, prevention and treatment effect improvement and the like, and high sterilization activity is shown. Experiments prove that the composition provided by the invention has the characteristics that the use cost is low, the use is safe on plants and environment, and the like.
Description
technical field [0001] The present invention relates to the use of a fungicide composition with synergistic effects in preventing and treating rice blast, rice sheath blight and rice flax spot. The composition has protective and therapeutic effects on crops, and exhibits extremely strong antibacterial and Bactericidal activity. The invention belongs to the field of agricultural plant protection. technical background [0002] Rice blast, rice sheath blight and rice flax spot are all common diseases of rice. These diseases have become the main diseases restricting the growth and harvest of rice. The commonly used agents for these diseases are thiophanate-methyl, Jinggangmycin, three Conventional agents such as oxazone and carbendazim, since these agents have been popularized in a large area since the 1970s, long-term continuous high-dose use of chemical fungicides with a single variety or mode of action is likely to affect the residue of the agent, environmental pollution and...
Claims
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