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Thrip repellent and application thereof

A technology of repellent and thrips, applied in the direction of animal repellent, application, insecticide, etc., can solve the problems of dryness, induction of plant virus disease, decline of fruit appearance and variety, etc.

Pending Publication Date: 2021-12-24
ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The harm of thrips to host plants is mainly manifested in two aspects: one is to file directly or lay eggs on the stems, leaves, flowers, fruits and other organs of plants, resulting in smaller leaves, dry leaves, and a decline in the appearance of fruits; the other is Transmits a variety of tomato spotted wilt virus genus Tospovirus, induces plant viral diseases, and causes serious economic losses
[0003] At present, the control methods for flower thrips are mainly chemical control, but because flower thrips has a short development period, the individual is small and easy to hide in the flowers of host plants, it is easy to develop resistance to most insecticides, thus As a result, the control effect is not ideal, so it is urgent to explore other green and efficient innovative control technologies

Method used

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  • Thrip repellent and application thereof
  • Thrip repellent and application thereof
  • Thrip repellent and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Embodiment 1, under non-selective experimental conditions, the oviposition avoidance effect of different substances on Thrips floridae

[0019] 1. Preliminary screening of 20 kinds of substances on oviposition avoidance of Thrips floridus

[0020] The oviposition-preventing effects of 20 substances on Thrips floridus were determined respectively.

[0021] Linalool, salicylic acid, myrcene, o-xylene, ocimene, β-caryophyllene, folic acid, methyl linoleate, 2-methyl-3-hydroxy-4-pyrone, methyl palmitate Esters, verbena essential oil, linoleum essential oil, mugwort essential oil, garlic essential oil, citronella essential oil, bergamot essential oil, lemon eucalyptus essential oil, Aina essential oil, lemongrass essential oil and petitgrain essential oil were diluted 5000 times with acetone as solvent ( 200mg.L -1 ) as a test sample, for later use.

[0022] Specific determination method: using a non-selective experiment, the cowpea pods were cut into short strips, and on...

Embodiment 2

[0040] Embodiment 2, under the selectivity test condition, 3 kinds of substances are to the oviposition avoidance effect of flower thrips

[0041] 1. Evaluation of three compounds on oviposition avoidance of Thrips floridus

[0042] The oviposition-preventing effects of the three substances screened out under the above-mentioned experimental conditions on Thrips annus were determined respectively.

[0043] The test sample was diluted 5000 times (200mg.L -1 ) of folic acid, myrcene and methyl palmitate in acetone.

[0044] Thrips selective avoidance device: see figure 1, including the central release area 1, the selection processing channel 2, and the selection stagnation area 3. Wherein the central release area 1 is connected with each selection processing channel 2; the left end of the selection processing channel 2 is connected with the port of the central release area 1, and the right end is connected with the selection stagnation area 3; Among them, the central release...

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Abstract

The invention discloses a thrip repellent and application thereof. Active substances of the thrip repellent comprise any one or more of folic acid, myrcene, methyl palmitate, linalool, salicylic acid, o-xylene, ocimene, beta-caryophyllene, methyl linoleate, 2-methyl-3-hydroxy-4-pyrone, cinnamomum camphora essential oil, folium artemisiae argyi essential oil, garlic essential oil, citronella essential oil, lemon grass essential oil and bitter orange leaf essential oil, wherein folic acid, myrcene and methyl palmitate have the strongest repelling effect on the oviposition of the flower thrips, and the use concentration is low. The research, development and application of the plant essential oil repellent for flower thrips and even thrip pests can be guided.

Description

technical field [0001] The invention relates to the technical field of pest control, in particular to a thrips repellent and application thereof. Background technique [0002] Thrips pests have strong fitness and concealment, strong fecundity and short generation cycle. Once they move into suitable crops, the population of thrips will increase rapidly in a short period of time, making control very difficult. Among them, the flower thrips Frankliniella intonsa (Trybom), also known as Taiwan flower thrips, belongs to Thysanoptera (Thysanoptera) thrips family (Thripidae), flower thrips genus Frankliniella, is one of the important pests of agricultural and forestry plants. The harm of thrips to host plants is mainly manifested in two aspects: one is to file directly or lay eggs on the stems, leaves, flowers, fruits and other organs of plants, resulting in smaller leaves, dry leaves, and a decline in the appearance of fruits; the other is Spread a variety of tomato spotted wilt ...

Claims

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Application Information

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IPC IPC(8): A01N65/42A01N65/44A01N65/12A01N65/24A01N43/90A01N27/00A01N37/02A01N37/40A01N37/06A01N43/16A01P7/04
CPCA01N65/00A01N65/42A01N65/44A01N65/12A01N65/24A01N43/90A01N27/00A01N37/02A01N37/40A01N37/06A01N43/16Y02A50/30
Inventor 付步礼刘奎金海峰邱海燕唐良德
Owner ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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