Fungicidal composition containing mandipropamid and tebuconazole

A technology of mandiprodil and tebuconazole, applied in the field of pesticide compositions, to achieve the effects of expanding the spectrum of sterilization, delaying drug resistance, and strong synergistic effect

Inactive Publication Date: 2014-03-26
李视辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no report on the application of the fungicidal composition with mandipropamid and tebuconazole as active ingredients for the control of vegetable early blight, late blight, grape downy mildew, and litchi downy mildew

Method used

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  • Fungicidal composition containing mandipropamid and tebuconazole
  • Fungicidal composition containing mandipropamid and tebuconazole
  • Fungicidal composition containing mandipropamid and tebuconazole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: 80% mandiprodil·tebuconazole wettable powder

[0031] Add 40g of mandiprodil, 40g of tebuconazole, 8g of calcium lignosulfonate, 2g of sodium lauryl sulfate, 5g of alkylnaphthalene sulfonate, and kaolin to 100g and mix them with airflow milling. Packaging made wettable powder. Using the mixture mixed with 4000 times of water to evenly spray to control litchi downy mildew, the control effect can reach 87.3-89.3% 14 days after spraying.

Embodiment 2

[0032] Embodiment 2: 35% mandipropamid tebuconazole suspension concentrate

[0033] Mandipropamid 10g, tebuconazole 15g, polycarboxylate dispersant 3g, fatty alcohol polyoxyethylene ether phosphate 2g, magnesium aluminum silicate 1g, wetting agent alkylphenol polyoxyethylene ether sulfosuccinate Ester 2g, ethylene glycol 5g, defoamer 0.4g, xanthan gum 0.2g, Kathon 0.1g, water to make up 100g. According to the formula requirements, using water as the medium, add the original drug, dispersant, suspending agent and antifreeze into the batching kettle and mix evenly, after being pulverized by a ball mill or a shearing machine, grind it in a sand mill to make it The suspending agent, after passing the inspection, is measured and packaged to be the finished product. Using the mixture mixed with 2000 times of water to evenly spray to control litchi downy mildew, the control effect can reach 90.3-95.3% 14 days after spraying.

Embodiment 3

[0034] Embodiment 3: 45% mandipropamid tebuconazole suspension concentrate

[0035] Mandipropamid 15g, tebuconazole 30g, polycarboxylate dispersant 3g, fatty alcohol polyoxyethylene ether phosphate 4g, magnesium aluminum silicate 0.5g, wetting agent alkylphenol polyoxyethylene ether sulfo 1g of succinate, 3g of ethylene glycol, 0.4g of defoamer, 0.2g of xanthan gum, 0.1g of Kathon, and 100g of water. According to the formula requirements, using water as the medium, add the original drug, dispersant, suspending agent and antifreeze into the batching kettle and mix evenly, after being pulverized by a ball mill or a shearing machine, grind it in a sand mill to make it The suspending agent, after passing the inspection, is measured and packaged to be the finished product. Using the mixture mixed with water 3000 times and evenly spraying to control litchi downy mildew, the control effect can reach 88.43-93.35% 14 days after spraying.

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PUM

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Abstract

The invention relates to a fungicide composition with a synergistic effect. The fungicide composition contains the effective active ingredients of mandipropamid and tebuconazole, wherein the weight ratio between the mandipropamid and the tebuconazole is 60:1 to 1:60; wettable powder, a suspending agent, an emulsion, a micro-emulsion and water dispersible granules can be prepared by adding an accessory ingredient or an excipient into the effective active ingredients. The fungicide composition is mainly used for preventing and controlling the early blight and the late blight of vegetables, the grape downy mildew, the litchi downy mildew and the like, and has the advantages that the sterilization effect is improved after the two fungicides are mixed; the synergistic effect is best when the weight ratio between the mandipropamid and the tebuconazole is 2:3; the fungicide composition has high reasonability and feasibility. According to the fungicide composition disclosed by the invention, the using amount is reduced; the fungicide spectrum is enlarged; a plurality of diseases can be prevented and controlled by one medicament; farmers can use the fungicide composition conveniently; the emergence and the development of pathogen resistance are delayed; meanwhile, the using amount of an organic solvent is also reduced, so that the fungicide composition is safer to crops and the environment.

Description

technical field [0001] The invention relates to a bactericidal composition containing mandipropamid and tebuconazole, in particular to a bactericidal composition using mandipropamid and tebuconazole as active ingredients. The invention is mainly used for preventing and treating vegetable early blight, late blight, grape downy mildew, litchi downy mildew, etc., and belongs to the field of pesticide compositions. Background technique [0002] Litchi downy mildew (Peronophythoralitchii) is an important disease that commonly occurs in litchi producing areas in my country and is seriously harmful. It mainly damages near-ripe fruits, and can damage leaves, branches, and flowers. Infected flower spikes, pedicels and panicle stalks are brown lesions, and then turn brown and dry off, causing a large number of flower drop; young fruit infection shows small brown spots on the pericarp, expanding into nearly circular brown spots, causing early fruit drop; mature fruit It is very suscep...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/653A01P3/00A01N37/36
Inventor 李视辉
Owner 李视辉
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