Composition for preventing and treating tomato late blight

A composition and technology of late blight, applied in the field of pesticides, can solve the problems of rapid basal leaf decay, infection, and slow expansion of lesions, and achieve the effect of lasting drug effect, reducing the amount of use, and reducing the number of repeated uses

Inactive Publication Date: 2014-04-02
JINAN CAVIN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 3. Infection cycle
But the decline of the bottom leaves is faster, and the speed of lesion expansion is slow

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The bactericidal composition for preventing and treating tomato late blight of the present invention, when the bactericidal composition is a wettable powder, the parts by weight of each component are: sulfamethazone 40, ethaboxam 30, dispersant 6, wetting agent Agent 5, filler 40, mix sulfamethazone, ethaboxam, dispersant, wetting agent and filler according to the above weight ratio, stir evenly in the stirring tank, and then mix evenly after being pulverized by a jet mill, DEK Wet powder fungicidal composition.

[0033] The above-mentioned dispersant is: naphthalenesulfonic acid formaldehyde condensate sodium salt;

[0034] The wetting agent is: polyoxyethylene tristyrene phenyl phosphate;

[0035] The filler is: diatomaceous earth.

[0036] The control efficiency of the above-mentioned medicines for tomato late blight reaches 94.1%.

Embodiment 2

[0038] The bactericidal composition for preventing and treating tomato late blight of the present invention, when the bactericidal composition is a wettable powder, the parts by weight of each component are: 40 sulfamethazone, 35 ethaboxam, 10 dispersants, 10 wetting agents Agent 8, filler 10, mix sulfamethazone, ethaboxam, dispersant, wetting agent and filler according to the above weight ratio, stir evenly in a stirring tank, pulverize with a jet mill and mix evenly, DEK Wet powder fungicidal composition.

[0039] The above-mentioned dispersant is: alkylphenol polyoxyethylene ether formaldehyde condensate sulfate;

[0040] The wetting agent is: sodium lauryl sulfate;

[0041] The filler is: diatomaceous earth.

Embodiment 3

[0043] The bactericidal composition for preventing and treating tomato late blight of the present invention, when the bactericidal composition is a wettable powder, the parts by weight of each component are: 45 sulfamethazone, 30 ethaboxam, 8 dispersants, 8 wetting agents Agent 6, filler 40, mix sulfamethazone, ethaboxam, dispersant, wetting agent and filler according to the above weight ratio, stir evenly in the stirring tank, pulverize by jet mill and mix evenly, DEK Wet powder fungicidal composition.

[0044] The above-mentioned dispersant is: alkylphenol polyoxyethylene ether;

[0045] The wetting agent is: polyoxyethylene tristyrene phenyl phosphate;

[0046] The filler is: bentonite.

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PUM

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Abstract

The invention belongs to the field of a pesticide, and particularly relates to a bactericidal composition for preventing and treating a tomato late blight. The bactericidal composition disclosed by the invention comprises the following effective components: cyazofamid and ethaboxam. The effective components cyazofamid and ethaboxam of the composition disclosed by the invention are mixed with each other, and do not generate a contradiction. The composition disclosed by the invention has a good synergistic effect within a certain range, the control efficiency is higher than that of a single dosage and the pesticide effect is more lasting, the resistance to drugs is delayed, the repetitive times of the pesticide is reduced, the usage amount of the pesticide is reduced, and the use cost of the pesticide is reduced. The composition disclosed by the invention has special effects on the tomato late blight and downy mildew, and also can be applied to prevention and control of other fruits and vegetables such as cucumber downy mildew and grape downy mildew.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a fungicidal composition for preventing and treating late blight of tomato. Background technique [0002] Tomato late blight occurs on leaves, stems, fruits and leaves. Most of the lesions start from the tip or edge of the leaf. They are water-soaked chlorotic spots at first, and then gradually expand. When the air humidity is high, the lesions expand rapidly. It spreads to most of the leaves and even the whole leaves, and can invade the petioles and stems along the veins, forming brown streaks. Finally, a circle of white mold grows on the edge of the leaves of the plant. It is most obvious on the back of the leaves after rain or in the morning when there is dew, and it can also appear on the front of the leaves when the humidity is particularly high. When the weather is dry, the lesions dry up and turn brown, and there is no white mold on the back of the leaves, the quality is brittle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/78A01P3/00A01N43/50
Inventor 迟宗磊藏伟功
Owner JINAN CAVIN BIOTECH
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