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Sterilizing composition containing thiodiazole copper and zineb

A composition, the technology of thiazolyl copper, applied in biocides, animal repellents, plant growth regulators, etc., can solve the problems of easily inducing the proliferation of mites and rust ticks, not being able to mix pesticides, and easily producing phytotoxicity, etc. problems, to achieve the effects of overcoming resistance, improving efficacy, and reducing mu dosage

Active Publication Date: 2015-06-17
山东中新科农生物科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, inorganic copper preparations are mainly used for the prevention and treatment of citrus canker, but inorganic copper fungicides have the following disadvantages: (1) they are prone to phytotoxicity, and their use is prohibited or restricted during the flowering and young fruit stages; Most inorganic copper preparations are alkaline pesticides and cannot be mixed with most pesticides, which is inconvenient to use; (3) it is easy to induce the proliferation of mites and rust ticks
[0008] At present, there is no relevant report on the compounding of zinc, thiabactin and chitosan oligosaccharide for the prevention and treatment of citrus canker

Method used

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  • Sterilizing composition containing thiodiazole copper and zineb

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Bioassay Example 1: Determination of the virulence of Zinc daisen, copper thiophanate and chitosan oligosaccharide to citrus canker

[0019] Test object: Xanthomonas citri (Hahse) (collected from the field and isolated and purified)

[0020] Test method: The test refers to "Pesticide Bioassay Technology" (edited by Chen Nianchun, published by Beijing Agricultural University Press), and the Agricultural Industry Standard of the People's Republic of China NY / T1156.16-2008 "Pesticide Indoor Bioassay Test Guidelines Fungicide Part 16" : Inhibition of bacterial growth test turbidity method, using the turbidity method to determine the indoor virulence of thiophanate-copper and dysenzinc to citrus canker.

[0021] A. Cultivation of target bacteria: select NA medium (nutrient agar) medium (1 LNA medium contains 5g of polypeptone, 1g of yeast powder, 3g of beef extract, 15g of sucrose, 17g of agar, adjusted to pH7 with 10mol / L NaOH .0) Passivation culture citrus canker in a 30°...

Embodiment 2

[0035] Example 2: Field test of 26% Zinc Zinc, Copper Thiobium, Chitooligosaccharide WP in the prevention and treatment of citrus canker

[0036] 20 g of Zinc (active ingredient), 5 g of copper thiophanate (active ingredient), 1 g of chitosan oligosaccharide (active ingredient), 2 g of sodium lauryl sulfate (wetting agent), calcium lignosulfonate (dispersing agent) 6g, 4g of naphthalene sulfonate (diffusing agent), and 100g of white carbon black (filler) to mix, dry, cool, and grind each component to make 26% Zinc, Thiobium, and chitosan oligosaccharide. Wet powder.

[0037] This embodiment is applied to the prevention and treatment of citrus (fruit) canker. Dilute 26% Zinc Desen, Thiobium Copper, Chitosan oligosaccharide wettable powder by 2000 times according to the amount of active ingredients. In the early stage of citrus canker disease, spray the whole citrus evenly, and spray the leaves without dripping water. Spraying once every 7-10 days, spraying 3 times in total, t...

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Abstract

The invention relates to a sterilizing composition containing zineb and thiodiazole copper. The sterilizing composition comprises the following effective constituents: zineb, thiodiazole copper and chitosan oligosaccharide, wherein the mass fraction ratio of zineb to thiodiazole copper to chitosan oligosaccharide is (20-30): (5-10): (1-3). The pesticide composition prepared by reasonably mixing the three effective constituents of zineb, thiodiazole copper and chitosan oligosaccharide is used for preventing and controlling a citrus canker disease, can greatly improve the pesticide effect, reduces the pesticide dosage per mu, lowers the usage cost, expands the bactericidal spectrum, and meanwhile overcomes the defect that the single dosage has high probability of producing resistance.

Description

technical field [0001] The present invention relates to a pesticide synergistic composition, in particular to a pesticide synergistic composition containing zinc decen, copper thiophanate and chitosan oligosaccharide. Background technique [0002] Citrus canker is a disease caused by bacterial infection, mainly affecting young shoots, young leaves and young fruits. In mild cases, it will affect photosynthesis and fruit appearance quality, and in serious cases, it will cause a large number of leaves and fruit drop, resulting in greater economic losses. In recent years, with the increase of citrus varieties and the continuous expansion of planting area, and the long continuous cropping time of citrus, the occurrence of citrus canker has become more and more serious. [0003] At present, citrus canker is mainly controlled by inorganic copper preparations, but inorganic copper fungicides have the following disadvantages: (1) It is easy to cause phytotoxicity, and its use is pro...

Claims

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Application Information

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IPC IPC(8): A01N47/14A01P1/00A01N43/824A01N43/16
Inventor 黄业新杨新兰
Owner 山东中新科农生物科技有限公司
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