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A reagent for attracting western flower thrips

A western flower thrips, reagent technology, applied in attracting pests, chemicals for biological control, application, etc., can solve the problem of no synergistic effect, no biological activity, unknown effect of lavender acetate, etc. question

Active Publication Date: 2018-06-05
浙江绿神天敌生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Hamilton et al. believe that the component (R)-lavandulylacetate (R)-lavandulylacetate) found in Western flower thrips has no biological activity and cannot have a separate attractant effect on Western flower thrips
[0005] In addition, the above-mentioned British experts believed in their paper that (R)-lavandulyl acetate ((R)-lavandulyl acetate) and marmoset (S)-2-methylbutanoate (neryl(S)-2-methylbutanoate) No synergistic effects were shown in field trials provided by: (1) (R)-lavandulyl acetate ((R)-lavandulyl acetate) with marmosetyl (S)-2-methylbutyrate The ester (neryl(S)-2-methylbutanoate) was used in a 1:1 ratio using the number of captured western flower thrips and marmoset meat base (S)-2-methylbutanoate (neryl(S)-2-methylbutanoate) alone The captured quantity is basically the same, there is no difference; (2) He determined (R)-lavandulyl acetate ((R)-lavandulyl acetate) and marmosetyl (S)-2-methylbutyrate (neryl (S)-2-methylbutanoate) The ratio range of the two is 1:0.8-1:5. He believes that there is a range of the ratio of the two in nature, and there is no such situation that a specific ratio is the best; (3) he The role of (R)-lavandulyl acetate is believed to be unknown
[0006] In conclusion, the available technology shows that (R)-lavandulyl acetate does not increase the concentration of marmoset (S)-2-methylbutanoate. Effective, no need to mix

Method used

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  • A reagent for attracting western flower thrips
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  • A reagent for attracting western flower thrips

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Experimental program
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Effect test

Embodiment 1

[0046] On the basis of a series of indoor component analysis, behavior observation, bioassay and artificial synthesis of related components of Thrips westerliana, the team of the present invention clarified the main components, proportions and contents of aggregation pheromone of thrips westerflora in domestic populations, The concentration range and ratio range with attractant activity, as well as the quality analysis of artificially synthesized aggregation pheromone, and field test verification was carried out on this basis. 1. Field activity test method

[0047] The field bioactivity test of artificially synthesized aggregation pheromones (R)-lavandulys acetate and neryl(S)-2-methylbutanoate on Thrips occidentalis was carried out in a greenhouse eggplant field in Zhangjiakou City, Hebei Province in July 2014.

[0048] The crops planted near the test area and in this test site are all eggplants, which are cultivated in plastic greenhouses. The test period is the eggplant pi...

Embodiment 2

[0067] Compared with Example 1, except that marmoset base (S)-2-methylbutanoate (neryl (S)-2-methylbutanoate) is replaced by its analog (isobornyl valerate, isobornyl 2-methyl butanoate, isobornyl pivalate or lavandulyl valerate) to replace, the others are all the same as the implementation examples, through a series of similar experiments, approximately the same results (specific data omitted), namely (R)-lavandulys acetate on marmoset base (S)-2- Analogues of methylbutyrate also showed a strong synergistic effect. This further proves that (R)-lavandulys acetate also has a strong synergistic effect on the analogue of marmoset (S)-2-methylbutanoate (neryl(S)-2-methylbutanoate).

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Abstract

The present invention provides a reagent for attracting Western flower thrips, wherein the reagent comprises (R)-lavender acetate, and marmosetyl (S)-2-methylbutyrate or marmosetyl (S) An analog of ‑2‑methylbutyrate, (R)‑lavender acetate can significantly increase the attractant ability of marmosetyl (S)‑2‑methylbutyrate, with a strong synergistic effect.

Description

technical field [0001] The invention belongs to the field of plant protection, and in particular relates to a Western flower thrips attractant substance containing an aggregation pheromone component and its combined field application technology with a color plate. Background technique [0002] Small insects such as thrips, whitefly, red spider, liriomyza and aphids cause serious damage to important economic crops in my country, including vegetables and flowers, every year. For example, Western flower thrips (Frankliniella occidentalis) sucks the juice of the host plant with its file-suction mouthparts, causing damage to young leaves, blades, and flower organs, delaying leaf development and flowering, deformed leaves and flowers, shrinking and discoloration, or falling flowers and fruits, causing damage to juveniles. result in scars and deformities. At the same time, it also spreads the serious tomato spotted wilt virus (TSWV), the output of the affected products may drop si...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/02A01P19/00
Inventor 吕要斌章金明郦卫弟张治军贝亚维张蓬军黄芳林文彩
Owner 浙江绿神天敌生物技术有限公司