Reagent used for inducing frankliniella occidentalis

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

Active Publication Date: 2015-03-04
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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  • Reagent used for inducing frankliniella occidentalis
  • Reagent used for inducing frankliniella occidentalis
  • Reagent used for inducing frankliniella occidentalis

Examples

Experimental program
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Embodiment 1

[0046] Based on a series of indoor western flower thrips component analysis, behavior observation, bioassay and artificial synthesis of related components, the team of the present invention clarified the main components, proportions and contents of the domestic population of western flower thrips aggregation pheromone. The concentration range and ratio range with attracting activity, as well as the quality analysis of artificially synthesized aggregation pheromone, were verified by field experiments on this basis. 1. Field activity test method

[0047] The field biological activity test of artificially synthesized aggregation pheromone (R)-lavandulys acetate and neryl(S)-2-methylbutanoate on Western flower thrips 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 was the eggplant picking pe...

Embodiment 2

[0067] Compared with Example 1, in addition to neryl (S)-2-methylbutanoate (neryl(S)-2-methylbutanoate), its analogues (isobornyl valerate, isobornyl 2-methyl butanoate, isobornyl pivalate or lavandulyl valerate), everything else is the same as the implementation example. Through a series of similar experiments, roughly the same results were obtained (the specific data is omitted), that is, (R)-lavandulys acetate versus marmoset (S)-2- The analogs of methyl butyrate also showed a strong synergistic effect. This further proves that (R)-lavandulys acetate also has a strong synergistic effect on the analogs of neryl(S)-2-methylbutanoate.

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Abstract

The invention provides a reagent used for inducing frankliniella occidentalis. The reagent comprises (R)-lavender acetate and neryl(S)-2-methylbutyrate or an analogue of neryl(S)-2-methylbutyrate. The induction capability of neryl(S)-2-methylbutyrate can be remarkably improved by (R)-lavender acetate, and the synergistic effect is very strong.

Description

Technical field [0001] The invention belongs to the field of plant protection, and in particular relates to a western flower thrips attractant containing aggregated pheromone components and a field joint application technology with color plates. Background technique [0002] Small insects such as thrips, whiteflies, red spiders, Liriomyza, and aphids cause serious damage to my country's important economic crops, including vegetables and flowers, every year. For example, the western flower thrips (Frankliniella occidentalis) pierce and suck host plant sap with a file-suction mouthpart, which damages young leaves, leaves, floral organs, delays leaf development and flowering, leaves and flowers deformity atrophy and discoloration, or drops flowers and fruits, and harms young The fruit causes scars and deformities. At the same time, it also spreads the serious tomato spotted wilt virus (TSWV). The output of the affected products may decrease significantly, or the quality may deterio...

Claims

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Application Information

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Patent Type & Authority Applications(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
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