Pinitol water aqua for controlling crop powdery mildew and preparation method thereof

A powdery mildew and pinitol technology is applied in the fields of botanical equipment and methods, chemicals for biological control, biocides, etc. Safe, no environmental pollution and residues, low toxicity to humans and animals

Inactive Publication Date: 2011-09-28
SHANGHAI JIAO TONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, none of the above technologies involves the development of pesticides, nor does it involve the application of preventing and controlling crop powdery mildew

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The pinitol aqueous solution has inhibitory effect on cucumber powdery mildew bacteria, and the percentage of preparing the aqueous solution is: pinitol is 20%, synergist Tween 20 is 8%, antifreeze agent ethylene glycol is 3%, and the rest is water.

[0017] Field experiments were conducted to determine its control effect. The tests were carried out in accordance with the national standards of the People's Republic of China, the guidelines for field efficacy experiments of pesticides, and GB / T 17980.30-2000 fungicides for the control of cucumber powdery mildew, and the data were statistically analyzed and processed.

[0018] Dilute pinitol water to 400 times, 600 times, 800 times for spraying. The amount of spraying liquid per mu is 60Kg. The first spraying is immediately when the disease first occurs, and the further spraying interval is about 7 to 10 days, depending on the occurrence of the disease during the growth of the crop and the duration of the medicine. Conti...

Embodiment 2

[0020] Pinitol aqueous solution has inhibitory effect on rose powdery mildew bacteria, and the percentage of preparing the aqueous solution is: pinitol is 10%, synergist Tween 20 is 3%, Tween 40 is 3%, antifreeze agent glycerol 5%, The rest is water.

[0021] Pot test method was used to determine its control effect. Use a small sprayer to evenly spray 0.1% water on the front and back of the rose leaves until the extract starts to drip; after 12 hours, spray the zoospore suspension 2 times continuously at a distance of 20 cm from the back of the leaves with a sprayer, and keep it in a bag for 24 hours Finally, the bag was removed, and the control effect was observed to be 70% after 7 days.

Embodiment 3

[0023] The pinitol aqueous solution has an inhibitory effect on melon powdery mildew, and the percentages of the prepared aqueous solution are: pinitol is 30%, synergist Tween 60 is 10%, antifreeze butanol is 6%, and the rest is water.

[0024] The biological activity of pinitol water was tested by the control effect test of indoor potted plants. The experiment was carried out according to the national industry standard Pesticide Indoor Bioassay Experiment Guidelines NY / T 1156.11-2008 Experimental potted method for the control of powdery mildew of melons, and the data were statistically analyzed and processed.

[0025] Dilute pinitol water solution to 50ppm, 100ppm, 250ppm, 500ppm for spraying. The disease control effects obtained were 70%, 85%, 91%, and 95%, respectively.

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Abstract

The invention discloses a pinitol water aqua for controlling crop powdery mildew and a preparation method thereof in the technical field of pesticides. The pinitol water aqua comprises the following components of a pinitol water aqua, a synergistic agent and an anti-freezing agent. The pinitol water aqua disclosed by the invention is mainly applied to powdery mildew diseases on melons, fruits, wheat, flowers, woods and other plants.

Description

technical field [0001] The invention relates to a pinitol water formulation in the technical field of pesticides and its preparation, in particular to a pinitol water formulation for preventing and treating crop powdery mildew and a preparation method thereof. Background technique [0002] Powdery mildew refers to a worldwide widespread plant disease caused by Ascomycota subphylum Sclerotinia powdery mildew fungus. The powdery mildew mainly infects the leaves, and also damages the stems and petioles. The powdery mildew will cause the leaves to turn yellow, shrink, and lose photosynthesis. The leaves generally do not fall off. In severe cases, the plants die. The fruits are generally not damaged but can reduce the quality. It can cause damage to fruits, wheat, flowers and trees. [0003] At present, the control of crop powdery disease mainly adopts chemical agents to prevent and control the disease. Although chemical agents have the advantages of high efficiency, stability,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01P3/00A01N25/04A01N31/06
Inventor 代光辉陈佳龚新进张红艳王丹丹
Owner SHANGHAI JIAO TONG UNIV
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