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A bactericidal composition containing thiabactin and zinc zinc

A composition, the technology of thiophanate copper, applied in the directions of biocides, animal repellents, plant growth regulators, etc., can solve the problem of easily induced proliferation of mites and rust ticks, inability to mix pesticides, and easy to produce phytotoxicity, etc. problem, to overcome the resistance, improve the efficacy, reduce the effect of the amount per mu

Active Publication Date: 2017-03-01
山东中新科农生物科技有限公司
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  • Summary
  • 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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  • A bactericidal composition containing thiabactin and zinc zinc
  • A bactericidal composition containing thiabactin and zinc zinc
  • A bactericidal composition containing thiabactin and zinc zinc

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Biological Assay Example 1: Toxicity Determination of Zinc, Thiobacterium Copper and Chitosan Oligosaccharides on Pseudomonas citri

[0019] Test object: Xanthomonas citri (Hahse) (collected from the field and separated 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 : Turbidity Method for Inhibiting Bacterial Growth Test", the indoor toxicity of thiabyl copper and zinc zinc to canker sores of citrus was determined by turbidity method.

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

Embodiment 2

[0035] Example 2: Field Test of 26% Zinc-Thiabactin-Chitooligosaccharide WP to Control Citrus Canker

[0036] Zinc (active ingredient) 20g, Thiobacterium copper (active ingredient) 5g, chitosan oligosaccharide (active ingredient) 1g, sodium lauryl sulfate (wetting agent) 2g, calcium lignosulfonate (dispersant) 6g, naphthalene sulfonate (diffusion agent) 4g, white carbon black (filler) make up 100g and mix, each component is dried, cooled, ground finely, and both have to be mixed with 26% Zinc thiabium oligochitosan. Wet powder.

[0037] This embodiment is applied to the prevention and treatment of citrus (fruit) canker. Dilute 26% Zinc Thiobacterium Copper Chitosan Wettable Powder 2000 times according to the amount of active ingredients. In the early stage of citrus canker disease, spray evenly on the whole plant of citrus, so that the leaves are wet without dripping. Spray once in 7-10 days, spray 3 times altogether, the control effect of 15 days after last spraying is 89.6...

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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 invention relates to a pesticide synergistic composition, in particular to a pesticide synergistic composition containing zinc zinc, thiabactin and chitosan oligosaccharide. Background technique [0002] Citrus canker is a disease caused by bacterial infection, which mainly damages young shoots, young leaves and young fruits. When it is mild, it will affect photosynthesis and fruit appearance quality, and when it is serious, it will cause a lot of leaf and fruit drop, resulting in large economic losses. In recent years, with the increase of citrus varieties and the continuous expansion of planting area, coupled with the long continuous cropping time of citrus, the occurrence of citrus canker has become more and more serious. [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 t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/14A01P1/00A01N43/824A01N43/16
Inventor 王世辉
Owner 山东中新科农生物科技有限公司
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