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A kind of attractant for leafhopper three-rod tassels and tiny rift tassels and its application

A technology of the rifting wasp and wasp, which is applied in the direction of application, attracting pesticides, biocides, etc., can solve the serious occurrence of pests, limit the development of organic tea and other problems, and achieve the effect of reducing and exempting chemical control

Active Publication Date: 2022-07-22
杭州茶菊科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, chemical pesticides are prohibited in organic tea gardens, but the serious occurrence of this pest restricts the development of organic tea in my country

Method used

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  • A kind of attractant for leafhopper three-rod tassels and tiny rift tassels and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1 The effect and difference of 6 alternative attractants in attracting Tsingtae wasps

[0020] 1 Materials and methods

[0021] 1.1 Preparation of lure core

[0022] Alternate attractant 1 (i.e., Thyssopus lepidopsis and Thyssopus miniscule): linalool, methyl salicylate, trans-2-hexenal, linalool, methyl salicylate, trans-2-hexenal, The contents of perillene and E-β-farnesene were 0.1 mg / mL, 0.2 mg / mL, 0.3 mg / mL, 5.8 mg / mL and 14.6 mg / mL, respectively, with a subtotal of 21 mg.

[0023] Alternative attractant 2: The contents of linalool, methyl salicylate, trans-2-hexenal and perilene per mL of solution were 0.32 mg / mL, 0.64 mg / mL, and 0.96 mg / mL, respectively. mL and 18.56 mg / mL, subtotal 20.48 mg.

[0024] Alternative attractant 3: The contents of linalool, methyl salicylate, trans-2-hexenal and E-β-farnesene per mL of solution were 0.14 mg / mL and 0.28 mg / mL, respectively , 0.42mg / mL and 20.44mg / mL, subtotal 21.28mg.

[0025] Alternative attractant 4: The...

Embodiment 2

[0047] Example 2 The effect and difference of 5 kinds of attractants in attracting 2 kinds of Tsingtae wasps

[0048] 1 Materials and methods

[0049] Using n-hexane as solvent, based on the ratio of 1:2:3:58:146 between linalool, methyl salicylate, trans-2-hexenal, perillene and E-β-farnesene, Formulate the following 4 attractants:

[0050] Each mL contains linalool, methyl salicylate, trans-2-hexenal, perillene, and E-β-farnesene at 0.05 mg, 0.1 mg, 0.15 mg, 2.9 mg, and 7.3 mg of lure, respectively. Aggregate 1;

[0051] Attractant 2 containing 0.1 mg, 0.15 mg, 2.9 mg, and 7.3 mg of methyl salicylate, trans-2-hexenal, perillene, and E-β-farnesene per mL, respectively;

[0052] Methyl salicylate, trans-2-hexenal, and E-beta-farnesene at 1 mg, 1.5 mg, and 7.3 mg of attractant 3 per mL, respectively;

[0053] Attractant 4 contains 4 mg, 6 mg of methyl salicylate and trans-2-hexenal per mL.

[0054] In addition, prepare an attractant containing 10 mg of E-beta-farnesene per...

Embodiment 3

[0060] Example 3 Attractant 1 (attractant of the leafhopper tsassipella serrata and the micro rift tassulae) effectively traps 2 species of tassafras and controls the green leafhopper

[0061] 1 Materials and methods

[0062] Attractant 1 of Example 2 was formulated and loaded on wool felt, each wool felt lure core containing linalool, methyl salicylate, trans-2-hexenal, perillene and E-beta-farnes 0.1 mg, 0.2 mg, 0.3 mg, 5.8 mg, and 14.6 mg of alkene, also containing 100 μL of n-hexane and 1.5 mg of the antioxidant Butylated hydroxytoluene, were sealed with polyvinyl chloride film. On August 17, 2020, an organic tea garden was selected in Meijiawu Village, Hangzhou City, Zhejiang Province, covering an area of ​​4 mu and divided into two parts. Half of it is used as CK without any pest control measures. The other half is used as the trapping area for tassels, and the trapping agent 1 is placed between the tea shoots on the upper layer of the tea bush, 10cm from the top of th...

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Abstract

The invention provides an attractant for the leafhopper three-rod tassulae and the tiny rift tassusae and application thereof, and belongs to the field of plant protection. In the present invention, linalool, methyl salicylate, trans-2-hexenal, perillene and E-β-farnesene are proportioned to form an attractant, which is effective against the leafhoppers Triptospora spp. Tsingtae vulgaris has a significant attracting effect. These two species of tassel wereps are the egg parasitoids of the important pest of the tea garden, the green leafhopper. The perennial parasitic rate can reach 5%-75%. The lure core loaded with the attractant is placed between the tea shoots for slow release, which can attract and guide the two species of wasps to search and parasitize the eggs of the green leafhopper. Use the attractant in the first ten days of August, and replace the lure core every half month until December, which can continuously attract a large number of bees to the tea garden to inhabit, parasitize and multiply. From mid-May to July of the following year, the insect population of the tea leafhopper was significantly reduced, thereby reducing the application of chemical pesticides.

Description

technical field [0001] The invention belongs to the field of plant protection, and relates to an attractant for the leafhopper and the tiny rift tassel and its application. The insect attractant is used to attract and guide the leafhopper and the tiny Rift tassel wasps searching and parasitizing the eggs of the tea leafhopper. Background technique [0002] The tea leafhopper, Empoasca flavescens F., is the most serious pest in tea gardens in my country, and it has been mainly controlled by pesticides for decades. It has a large number of generations every year, strong fecundity, and strong drug resistance, which can reduce tea production by 10%-15% all year round, and reduce tea production by more than 50% in severe years. In particular, chemical pesticides are banned in organic tea gardens, but the pests are seriously occurring, which restricts the development of organic tea in my country. However, the tea garden ecosystem is home to Stethynium empoascae Subba Rao and Sch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N31/02A01N37/40A01N35/02A01N27/00A01P19/00A01M1/02A01M1/14
CPCA01N31/02A01N37/40A01N35/02A01N27/00A01M1/02A01M1/14
Inventor 韩善捷韩宝瑜王梦馨潘铖
Owner 杭州茶菊科技有限公司
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