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Composition for preventing and treating mulberry powdery mildew

A composition and powdery mildew technology, applied in biocides, animal repellents, plant growth regulators, etc., can solve the problems of weak and sick silkworms, poor nutritional value, and nutrient consumption, so as to reduce pesticide residues and improve control effects , the effect of reducing the dose

Pending Publication Date: 2022-05-24
来宾市农业科学院
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AI Technical Summary

Problems solved by technology

Mulberry tree powdery mildew mainly damages mulberry leaves. The damaged mulberry leaves are depleted of nutrients, which affect the quality of mulberry leaves and have poor nutritional value. Eating the infected leaves can easily induce silkworms to be weak and sick, and the number of cocoon layers, cocoon layer rate and cocoon production will decrease.
Chemical agents are a common method to prevent and control mulberry powdery mildew. However, with the emergence of pathogenic bacteria resistance, the control effect of many chemical agents is reduced. If you want to improve the control effect, you generally choose to increase the dosage of chemical agents, but this will increase Pesticide residues in mulberry leaves will affect the growth of silkworms after eating

Method used

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  • Composition for preventing and treating mulberry powdery mildew
  • Composition for preventing and treating mulberry powdery mildew
  • Composition for preventing and treating mulberry powdery mildew

Examples

Experimental program
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Effect test

Embodiment

[0013] Example : Compounding drug screening

[0014] 1. Test strain: Pick the mulberry leaves infected by pathogenic bacteria, isolate, purify and identify in the laboratory, and confirm that it is Erysiphe mori, and propagate on PDA medium.

[0015] 2. Test reagents: 97% fenconazole, 95% triconazole and 98% berberine, all of which were from Laibin Academy of Agricultural Sciences.

[0016] 3. Preparation of drug-containing tablet: dissolve the test agent with solvent first, then dilute it with 0.1% Tween-80 aqueous solution to prepare a single-dose mother liquor, and set up multiple groups of proportions. The equal ratio method sets 5 gradient mass concentrations. Add 9 mL of pre-melted PDA medium into a sterile conical flask, and quantitatively draw 1 mL of medicinal liquid from low concentration to high concentration, respectively, add it to the above conical flask, and shake well. Then, equal amounts were poured into 4 petri dishes with a diameter of 9 cm to prepare a d...

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Abstract

The invention belongs to the technical field of mulberry disease control, and particularly relates to a composition for controlling mulberry powdery mildew. The composition for preventing and treating the powdery mildew of the mulberry trees is formed by compounding chlorohydrin and berberine, and the chlorohydrin is formed by compounding meconazole and flutriafol. When the flutriafol, the flutriafol and the berberine are compounded according to a certain mass ratio, a synergistic effect is achieved on mulberry powdery mildew, the prevention and treatment effect on mulberry powdery mildew can be improved, the application dosage of chemical agents can be reduced, pesticide residues are reduced, and the effect of preventing and treating mulberry powdery mildew is achieved. Therefore, normal growth of silkworms and quality and yield of silkworm cocoons are guaranteed.

Description

technical field [0001] The invention belongs to the technical field of mulberry disease prevention and control, in particular to a composition for preventing and controlling mulberry powdery mildew. Background technique [0002] Silkworm, also known as silkworm, or silkworm. A silk-spinning insect with high economic value. Mulberry leaves are used as food, and cocoons can be reeled. Silk is a precious textile raw material. It is mainly used for weaving silk. It is an excellent textile raw material. It can be used comprehensively and is a raw material for a variety of chemical and pharmaceutical industries, and can also be used as plant food. Pests and diseases of mulberry trees have a certain impact on silkworm production: Pests and diseases of mulberry trees will reduce the quality and yield of mulberry leaves. Feeding silkworms with diseased leaves, due to poor leaf quality, poor nutritional value, and reduced food intake, makes the silkworm body weak, easily induces si...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N43/90A01P3/00
CPCA01N43/653A01N43/90Y02A50/30
Inventor 唐茂荣韦春沙彭兰惠罗平冯斌莫优想莫梁斌莫小忠韦静钟德发
Owner 来宾市农业科学院
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