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Compound bactericide

A technology of compound fungicides and dosage forms, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems such as no literature on the compounding and application of difenoconazole and econazole, and achieve a reduction in field usage. , Overcome and bacteria resistance, the effect of expanding the bactericidal spectrum

Inactive Publication Date: 2013-03-27
QINGDAO DONGSHENG PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] After searching, there is currently no literature on the compounding and application of difenoconazole and eucumazole

Method used

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  • Compound bactericide
  • Compound bactericide
  • Compound bactericide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Example 1: (50% difenoconazole·ecumazole wettable powder)

[0036] Formulation: difenoconazole, 15%; euconazole, 35%; wetting agent sodium lauryl sulfate, 2%; dispersant agent calcium lignosulfonate, 8%; filler white carbon black, 10%, Filler kaolin, balance.

[0037] 2. Water dispersible granules

[0038] Preparation method: according to the ratio of the formula in the example, add the active ingredients difenoconazole and euconazole into the carrier, add a surfactant to it, mix, add 15% water after jet milling, and then knead and make Granulate, dry, and sieve to obtain water-dispersible granules. The main equipments include mixer, jet mill, kneader, extrusion granulator, drying room, and screening machine.

Embodiment 2

[0039] Example 2: (65% difenoconazole·ecumazole water dispersible granules)

[0040] Formulation: difenoconazole, 20%; euconazole, 45%; wetting agent sodium dodecylbenzene sulfonate, 3%; dispersing agent alkyl naphthalene sulfonate formaldehyde condensate, 8%; filler attapulgite Soil, surplus.

[0041] 3. Water suspending agent

[0042] Preparation method: According to the proportion of the formula, put the active ingredients difenoconazole and euconazole, surfactants and other functional additives in the batching kettle in sequence, add water and mix evenly, undergo high-speed shearing, wet sanding, Finally, the product is obtained by homogeneous filtration. The main equipment is batching kettle, colloid mill and sand mill.

Embodiment 3

[0043] Example 3: (40% difenoconazole · ecumazole aqueous suspension concentrate)

[0044] Formula: Difenoconazole, 10%; Ecculazole, 30%; Emulsifier Nongru OP-10, 2%; Dispersant polycarboxylate, 8%; Thickeners are xanthan gum and magnesium silicate Aluminum, the dosage is 0.1% and 2% respectively; antifreeze agent ethylene glycol, 5%; defoamer silicone compound, 0.5%; water, the balance.

[0045] 4. Cream

[0046] Preparation method: According to the proportion of the formula, put the active ingredients difenoconazole and euconazole, surfactant and solvent in a mixing kettle in sequence, start stirring until the solid original drug is completely dissolved, then settle and filter to obtain the product.

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Abstract

The invention belongs to the field of pesticide bactericides and in particular relates to a bactericide compound composition containing difenoconazole and bismerthiazol. The composition is characterized in that the weight ratio of difenoconazole to bismerthiazol is (5:1)-(1:5); the weight percent contents of the active ingredients difenoconazole and bismerthiazol in the compound bactericide are 10-80%; and the rest ingredients are auxiliary ingredients which are allowed to be used and can be accepted in pesticides. The composition is mainly used for controlling watermelon gummy stem blight, pepper anthracnose, strawberry powdery mildew, grape anthracnose, heiyabing, citrus scab, rice bacterial leaf blight, cucumber target leaf spot and the like and has the characteristics of obvious synergy, bactericidal broad spectrum, long duration, safety for crops and the like.

Description

technical field [0001] The invention belongs to the field of agricultural fungicides, and in particular relates to a compound fungicide whose active ingredients are difenoconazole and ecloconazole. Background technique [0002] Difenoconazole is a broad-spectrum and high-efficiency fungicide, which mainly inhibits the biosynthesis of ergosterol in pathogen cells, thereby destroying the structure and function of cell membranes. It is mainly used in fruit trees, vegetables, wheat, potatoes, beans, melons and other crops , It has very good protective and therapeutic effects on various fungal diseases such as vegetables and melons and fruits. However, it has little mobility in soil and slowly degrades. It can control pear scab, apple spot defoliation, tomato drought blight, watermelon blight, pepper anthracnose, strawberry powdery mildew, grape anthracnose, black scab, citrus scab, etc. the [0003] Ectilazole (Yeqingshuang) is a systemic fungicide independently developed...

Claims

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Application Information

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IPC IPC(8): A01N43/824A01N43/653A01P1/00A01P3/00
Inventor 李波王宏年吴本林于天丛刘希玲
Owner QINGDAO DONGSHENG PHARMA
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