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Sex attractant for Spodoptera frugiperda and its preparation method and application

A technology for Spodoptera frugiperda and attractant, which is applied in the fields of botanical equipment and methods, application, and attracting pests, etc., and can solve the problems of uneven product quality level and unstable attracting effect, etc.

Active Publication Date: 2021-03-16
广东省科学院南繁种业研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to differences in the timing and ratio of sex pheromones produced by different subtypes of fall armyworm, the quality of sex lures for fall armyworm on the market is uneven, and the lure effect is unstable

Method used

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  • Sex attractant for Spodoptera frugiperda and its preparation method and application
  • Sex attractant for Spodoptera frugiperda and its preparation method and application
  • Sex attractant for Spodoptera frugiperda and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Experimental location: cornfield (60 mu) in Qianjin Village, Hengli Town, Nansha District, Guangzhou City; implementation time: September 1, 2019 to September 30, 2019.

[0039] Experimental method: Sex pheromones: Z9-14: OAc (cis-9-tetradecene acetate), Z11-16: OAc (cis-11-hexadecene acetate) and Z7-12: OAc (cis-7-dodecene acetate), the purity of the three compounds is greater than 95%; the sex attractant formula (T0-T7) used is configured according to different sex pheromone mass percentages (Table 1), a single configuration The sex attractant contains about 1 mg of the mixture of three sex pheromone components, the solvent of the sex attractant used is n-hexane, and the slow-release carrier is capillary (polyurethane material).

[0040] Preparation of sex lure lures: Dilute the 100 mg of the three sex pheromone mixtures with 900 mg of n-hexane to prepare a sex pheromone solution, inject 10 μl of the resulting sex pheromone solution into a 7-9 cm long Mix in a capill...

Embodiment 2

[0046] Implementation location: Cornfield (80 mu) in Honggang Village, Wanqingsha Town, Nansha District, Guangzhou City; implementation time: September 29, 2019 to October 29, 2019.

Embodiment approach

[0047] Implementation method: In addition to Z9-14: OAc, Z11-16: OAc and Z7-12: OAc, the gonad component Z9-12: OAc reported in existing products of Spodoptera frugiperda is introduced, and the purity of the four compounds is greater than 95%, the formula (T8-T14) used is configured according to the following mass percentages (Table 2), and the mixture of four components is about 1mg in the lure of a single configuration, and the lure solvent used is normal hexane, and the slow-release carrier is Capillary (polyurethane material), the preparation method of sex attractant lure core is the same as embodiment 1.

[0048] The trap used is a barrel trap, and the prepared sexual attractant is placed in the barrel trap. Each treatment is repeated more than 3 times, and the treatments are arranged randomly. The interval between every two treatments is more than 30 meters, and the survey is conducted every 5 days , and get rid of the fall armyworms trapped in the traps.

[0049] The m...

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PUM

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Abstract

The invention relates to a sex attractant for spodoptera frugiperda, as well as a preparation method and application of the sex attractant. The sex attractant for spodoptera frugiperda is prepared from sex pheromone and an auxiliary component, wherein the sex pheromone is prepared from cis-9-tetradecenyl acetate, cis-11-hexadecenyl acetate and cis-7-dodecenyl acetate; wherein the mass ratio of thecis-9-tetradecene acetate to the cis-11-hexadecene acetate to the cis-7-dodecene acetate is (83 to 89) to (5 to 15) to (1.0 to 2.5). The sex attractant for spodoptera frugiperda disclosed by the invention has a very good attracting effect.

Description

technical field [0001] The invention relates to the technical field of pest control, in particular to a sex lure for Spodoptera frugiperda and its preparation method and application. Background technique [0002] Spodoptera frugiperda Smith, belonging to Lepidoptera, Noctuidae, and genus Spodoptera, is native to the Americas. Since it invaded Yunnan in January 2019, it has rapidly spread to the Jiangnan and Jianghuai regions, and further to the north Regional spread, has successfully invaded most provinces of our country. Spodoptera frugiperda has a wide range of food habits, high fecundity, migratory ability and strong drug resistance, which has seriously affected my country's crop production and has threatened the country's food security and ecological security. The study of F. frugiperda shows that its host plants are very extensive, including corn, rice, sugarcane, barley, cotton, peanut, sorghum and 353 species of plants in 76 families. According to its host preference...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/06A01N25/10A01P19/00
CPCA01N25/10A01N37/06
Inventor 武韩安玉兴孙东磊易杰群毛永凯卢颖林李继虎陈立君付建涛毛玉玲龚恒亮
Owner 广东省科学院南繁种业研究所
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