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Composition for simultaneously preventing and treating cucumber aphid and cucumber bacterial angular leaf spot

A composition and bacterial technology, applied in the field of pesticides, can solve the problems that there are no fungicides for Metarhizium anisopliae and thiamethondone cucumber aphid, bacterial angular spot of cucumber, and Metarhizium anisopliae. To achieve the effect of improving the control effect, reducing the amount of pesticides, and high yield

Active Publication Date: 2022-04-15
VEGETABLE RES INST OF SHANDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] At present, because Metarhizium anisopliae is usually not suitable for use together with general fungicides, there is no report on the combination of Metarhizium anisopliae and thiamethoxam for the control of cucumber melon aphids and cucumber bacterial angular spot

Method used

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  • Composition for simultaneously preventing and treating cucumber aphid and cucumber bacterial angular leaf spot
  • Composition for simultaneously preventing and treating cucumber aphid and cucumber bacterial angular leaf spot
  • Composition for simultaneously preventing and treating cucumber aphid and cucumber bacterial angular leaf spot

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Effect test

experiment example

[0030] Indoor combined toxicological determination:

[0031]The test agent is 15 billion spores / gram of Metarhizium anisopliae CQMa421 parent drug (produced by Chongqing Julixin Bioengineering Co., Ltd.), 98% thiamethoxam (produced by Zhejiang Yulong Biotechnology Co., Ltd.) and two kinds of primary drugs Composition by weight ratio.

[0032] Combined indoor virulence determination of cucumber melon aphid:

[0033] Using the dipping method. On the basis of the preliminary test, the test agent was dissolved in N,N-dimethylformamide, diluted with 0.05% Tween-80 into 7 serial concentrations, and used to determine the LC50 of a single agent; The active ingredient mass ratio of thiamethoxamin is 15:1, 10:1, 5:1, 2.5:1, 1:1, 0.5:1, 0.25:1 to make 7 pharmaceutical compositions with different component ratios, Diluted into 7 serial concentrations according to the above method, used to determine the LC50 of different pharmaceutical compositions. Clamp the leaves with wingless adult...

Embodiment 1

[0055] A composition for simultaneously preventing and treating cucumber melon aphids and cucumber bacterial angular spot, prepared 1000 kilograms of 18% Metarhizium anisopliae·thiazolone (15% Metarhizium anisopliae (2.25 billion spores / gram)+3% Thipromeil Ketone) by weight percentage, its raw material consists of:

[0056]

[0057] Specific production operation: Weigh 30.61 kilograms of 95% thiamethoxamin technical substance, 58.33 kilograms of 96% 2-naphthalenesulfonic acid formaldehyde polymer sodium salt, 9.80 kilograms of 98% sodium lauryl sulfate, 14.69 kilograms of 98% pull-off powder, 736.57 kg of diatomaceous earth. The weighed raw materials are mixed evenly on the jet mill mixer, transported to the storage tank, and enter the bin of the jet mill through the feeder, adjust the working pressure and air pressure, and the mixture is sent to the crushing chamber for crushing. The pulverized mixture enters the classifier from the discharge port, and the coarse powder r...

Embodiment 2

[0059] The test was carried out on cucumbers in the solar greenhouse of Jiyang Experimental Base of Shandong Academy of Agricultural Sciences, and the variety of cucumbers tested was "Qiuguan 55". Test medicament is the 18% Metarhizium anisopliae of the present invention 1 described in the embodiment of the present invention thiazide ketone composition; Lixin Bioengineering Co., Ltd.), cucumber bacterial angular leaf spot control agent is 3% thiamethoxamin microemulsion (Adao Maihuifeng (Jiangsu) Co., Ltd.), and sprayed with water as a blank control.

[0060] Test dosage per mu of each medicament: 110 grams and 90 grams of 18% Metarhizium anisopliae M. anisopliae, 110 grams, 90 grams, 8 billion spores / ml Metarhizium anisopliae CQMa421 dispersible oil suspension concentrate 40 milliliters, 100 milliliters of 3% thiomethanone microemulsion .

[0061] Each treatment was repeated 4 times, and the area of ​​each plot was 40 square meters. Spray once on May 20, 2020. The medical d...

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Abstract

The invention belongs to the technical field of pesticides, and particularly relates to a composition for simultaneously preventing and treating cucumber aphid and cucumber bacterial angular leaf spot. According to the medicament composition, two medicaments, namely metarhizium anisopliae and benziothiazolinone, are adopted as main components, and are matched with an auxiliary agent and a filler carrier, so that the effects of complementing advantages and supplementing each other are achieved. The preparation process is simple, all the input raw materials are converted into products, the yield is high, no three wastes are generated, and the harm of cucumber aphid and cucumber bacterial angular leaf spot is effectively controlled.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a composition for simultaneously preventing and treating cucumber melon aphid and cucumber bacterial angular spot. Background technique [0002] Cucumber aphid (Aphis gossypii) and cucumber bacterial angular spot (pathogen: Pseudomonas syringaepv. lachrymans) are important diseases and insect pests of cucumber, which occur simultaneously on cucumber plants, causing heavy losses to cucumber production. [0003] Cucumber melon aphid belongs to Hemiptera, Aphididae. The pest uses adult aphids and nymphs to suck juice on the back of cucumber leaves, young shoots and tender stems, causing cucumber leaves to shrink, yellow spots or yellow spots, and even growth stagnation; when melon aphids are harmful, honeydew is discharged, which seriously affects the growth of cucumber leaves. Photosynthesis causes sooty disease; at the same time, this pest is also the vector of var...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/30A01N43/80A01P1/00A01P7/04
CPCY02A50/30
Inventor 张安盛陈鹏周仙红王秀娟庄乾营张纪文
Owner VEGETABLE RES INST OF SHANDONG ACADEMY OF AGRI SCI
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