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A kind of pesticide composition for preventing and treating pineapple black rot

A pesticide composition and a technology for black rot, applied in the field of pesticides, can solve the problems of increasing the amount of pesticide residues, reducing the control effect of chemical agents, and increasing the cost of control, so as to reduce the pesticide residues, delay the drug resistance of pathogenic bacteria, and reduce single use. effect of dose

Active Publication Date: 2022-02-11
GUANGXI SUBTROPICAL CROPS RES INST GUANGXI SUBTROPICAL AGRI PROD PROCESSING RES INST
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  • Description
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AI Technical Summary

Problems solved by technology

[0003] Chemical agents are the main means to prevent and control pineapple black rot. You can soak the fruit with tekto or soak the cut surface of the fruit stem with imazalil. Gradually develop resistance to it. If it is used for a long time, the control effect of the chemical agent on pathogenic bacteria will gradually decrease. To improve the control effect, the dosage of the chemical agent must be increased, which will increase the control cost and increase the fruit yield. Pesticide residues in

Method used

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  • A kind of pesticide composition for preventing and treating pineapple black rot
  • A kind of pesticide composition for preventing and treating pineapple black rot
  • A kind of pesticide composition for preventing and treating pineapple black rot

Examples

Experimental program
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Effect test

Embodiment

[0023] Example : Indoor bioactivity test of thymol compounded with 5 active ingredients

[0024] 1. Test medium: PDA medium is potato dextrose agar medium.

[0025] 2. Test object: collect pineapple black rot diseased fruits from the pineapple planting base, conduct tissue isolation and culture according to conventional methods, transfer the single spores to the slant of the PDA medium test tube after purification, and then select representative strains and transfer them to the PDA medium plate (28°C) cultured for 2 days, and the pathogen was identified as Thielaviopsis paradoxa (De Seyn.) V.Hohn. according to the culture traits and morphological characteristics of the pathogen, and it was reserved for later use.

[0026] 3. Test agent: 95.4% thymol (isolated and prepared from ground pepper);

[0027] 98% flufenapyramide technical (Syngenta Suzhou Crop Protection Co., Ltd.);

[0028] 95% fenfluxam technical (Syngenta Nantong Crop Protection Co., Ltd.);

[0029] 96% syrings...

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Abstract

The invention relates to the technical field of pesticides, in particular to a pesticide composition for preventing and treating pineapple black rot. A pesticide composition for preventing and treating pineapple black rot, the active ingredient of which is compounded by thymol and flufenapyramide, flufenapyramide, syringstrobin, cyproconazole or mandiprodil. There is no cross-resistance between the two active ingredients compounded in the pesticide composition for preventing and treating pineapple black rot. Improve the control effect, reduce the single-use dosage of chemicals, reduce the cost of control, reduce pesticide residues; delay the emergence of pathogenic bacteria drug resistance.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a pesticide composition for preventing and treating pineapple black rot. Background technique [0002] Pineapple black rot, also known as soft rot or fruit rot, is a fungal disease caused by Thielaviopsis paradoxa (De Seyn.) V.Hohn., which often occurs on ripe fruits. Usually asymptomatic in the field, the fruit rots rapidly during storage upon receipt. Dark water-soaked soft spots appear on the surface of the damaged fruit, and then expand and connect to each other into large dark brown plaques without obvious edges, and extend to the whole fruit, making the core and its surroundings turn dark brown, and the diseased fruit oozes a lot of liquid , the disintegration of the tissue emits a special aroma. [0003] Chemical agents are the main means to prevent and control pineapple black rot. You can soak the fruit with tekto or impregnate the cut surface of the fruit stem with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N31/08A01N43/56A01N43/16A01N43/653A01N37/36A01P3/00
CPCA01N31/08A01N43/56A01N43/16A01N43/653A01N37/36
Inventor 蔡元保杨祥燕李穆黄思婕李季东黄强庞新华潘如军巫辅民王运儒谭秦亮文峰唐秀观冯春梅周俊岸
Owner GUANGXI SUBTROPICAL CROPS RES INST GUANGXI SUBTROPICAL AGRI PROD PROCESSING RES INST
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