Conopomorpha sinensis bradley adult stage and egg stage collaborative prevention and control method

A technology for lychee stem borer and adult stage is applied in the field of coordinated prevention and control of litchi stem borer in the adult stage and egg stage, which can solve the problems of accelerating the generation of pest resistance, excessive pesticide residues in litchi longan, and aggravating environmental pollution, so as to control the pest population. The effect of reducing the number of eggs, reducing the number of eggs, and high environmental safety

Active Publication Date: 2019-06-14
PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the repeated and extensive use of chemical pesticides has caused a series of problems, including: accelerating the emergence of pest resistance, aggravating environmental pollution, causing excessive pesticide residues in litchi and longan, affecting fruit quality and domestic sales and exports, etc.

Method used

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  • Conopomorpha sinensis bradley adult stage and egg stage collaborative prevention and control method
  • Conopomorpha sinensis bradley adult stage and egg stage collaborative prevention and control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Medicament A: Add 20g of the ethanol extract of the stem and leaf of Wedelia trifida and 20g of the ethanol extract of the stem and leaf of Lantana to 100g of water, and mix well to obtain the agent A.

[0027] Medicament B: Add 20g of the ethanol extract of the stems and leaves of the plane grass and 20g of the ethanol extract of the stems and leaves of S. cerevisiae to 100g of water, and mix well to obtain the agent B.

[0028] Medicament C: Add 40g of the ethanol extract of the stems and leaves of Wedelia trifida to 100g of water, and mix well to obtain Medicament C.

[0029] Medicament D: add 40g of the ethanol extract of lantana stem and leaf to 100g of water, and mix well to obtain the medicinal agent D.

[0030] Indoor test: use medicine A, medicine B, medicine C and medicine D as the medicines of the test group, and clean water as the medicine of the control group.

[0031] Selectivity test: Soak the dried fresh lychees in four kinds of medicines (A, B, C and D...

Embodiment 2

[0038] Medicament E: Dissolve 0.01 g of diflubenzuron and 20 g of 2-octyl polyoxyethylene ether in 100 g of water, and mix well to prepare Medicament E.

[0039] Indoor test: use agent E as the agent in the test group, and clear water as the agent in the control group, spray agent E and clear water on paper cards of litchi pedicle moth eggs, and calculate the egg hatching rate after two days (Formula 2). The ovicidal effect of drug E was evaluated by hatching rate, and the results showed that the hatching rate of eggs treated with drug E was 29.7±1.7%, which was significantly lower than that of the control group, which was 97.2±2.1%. It shows that the agent E has a significant poisonous effect on the eggs of the litchi pedicle moth. On this basis, the agent E is selected as the green ovicide for the litchi pedicle moth egg stage.

[0040] Hatching rate (%) = number of hatched eggs / total number of eggs × 100 Formula 2

Embodiment 3

[0042] Medicament A: Add 20g of Wedelia trilobata ethanol extract and 20g of Lantana ethanol extract to 100g of water, and mix well to obtain Medicament A, that is, every 100g of water contains 20g of Wedelia trilobata ethanol extract and 20g of Lantana ethanol Extract.

[0043] Agent E: Dissolve 0.01g of diflubenzuron and 20g of sec-octyl polyoxyethylene ether in 100ml of water, and mix well to prepare Agent E, that is, every 100g of water contains 0.01g of diflubenzuron and 20g of sec-octanol polyoxyethylene ether.

[0044] A method for synergistic prevention and control of litchi pedicle borer adult stage and egg stage, comprising: (1) litchi pedicle borer adult stage, spraying litchi and longan fruit trees with a botanical oviposition repellent, the botanical oviposition repellent being a medicament A; (2) In the egg stage of litchi pedicle moth, spray the fruit trees with green ovicide, the green ovicide is medicament E.

[0045] Select the peak period of adults in litchi ...

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Abstract

The invention discloses a conopomorpha sinensis bradley adult stage and egg stage cooperative prevention and control method. The method comprises the following steps of: spraying litchi and longan fruit trees with a conopomorpha sinensis bradley adult repellent at a conopomorpha sinensis bradley adult stage; and spraying the fruit trees with a conopomorpha sinensis bradley egg killing agent in theconopomorpha sinensis bradley egg period. The conopomorpha sinensis bradley adult stage and egg stage cooperative prevention and control method provided by the invention is researched and developed according to the characteristic that prevention and control cannot be carried out in the larval stage and the pupa stage of the conopomorpha sinensis bradley through a laboratory and orchard verification test. By means of the method, the number of pest populations can be effectively controlled, use of chemical pesticides is greatly reduced, the prevention and control effect is guaranteed, the influence on the environment is reduced to the maximum extent, the yield and quality of litchi and longan are greatly improved, and the purpose of safe production of litchi and longan is achieved.

Description

technical field [0001] The invention belongs to the technical field of agricultural production, and relates to a method for preventing and controlling pests, in particular to a method for synergistically preventing and controlling litchi pedicle moth adult and egg stages. Background technique: [0002] Litchi and longan are the famous and precious fruits of our country, and the cultivation area and fruit output of both rank first in the world. Litchi pedicle borer (Conopomorpha sinensis Bradley) is a frequent and explosive moth in litchi and longan cultivation. control object. At the same time, litchi pedicle borer has always been a difficult problem in the prevention and control of fruit tree pests. Only repeated large-scale application of pesticides in its adult stage can ensure the control effect. However, the repeated and extensive use of chemical pesticides has caused a series of problems, including: accelerating the emergence of pest resistance, aggravating environme...

Claims

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Application Information

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IPC IPC(8): A01N65/12A01N65/08A01N47/34A01N25/30A01P7/04A01P17/00A01M29/12
Inventor 姚琼全林发董易之陈炳旭林少源冯日碧
Owner PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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