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Composition of insect pheromone attractant for Spodoptera frugiperda

A technology of Spodoptera frugiperda and insect pheromones, which is applied in the fields of attracting pests, biocides, and pest control, and can solve the problems of small number of Spodoptera frugiperda, unstable trapping effect, and high rate of trapping miscellaneous insects. problem, to achieve the effect of increasing the attracting effect, increasing the applicability in the field, and increasing the amount of attracting insects

Active Publication Date: 2020-11-20
北京依科曼生物技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the existing sex attractants in the market have the following problems in attracting and preventing Spodoptera frugiperda: (1) Lack of specificity, and the rate of trapping miscellaneous insects is high. The main types of miscellaneous insects are: armyworm, armyworm etc.; (2) The effective period is short; (3) The trapping effect is unstable and regional; (4) The number of fall armyworms trapped is small;

Method used

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  • Composition of insect pheromone attractant for Spodoptera frugiperda
  • Composition of insect pheromone attractant for Spodoptera frugiperda
  • Composition of insect pheromone attractant for Spodoptera frugiperda

Examples

Experimental program
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Effect test

Embodiment 1

[0022] The composition of the insect pheromone attractant of Spodoptera frugiperda of the present invention, its composition and mass content are as follows: the slow-release solvent component is the composition of n-hexane and dioctyl terephthalate, and its proportion is : 86.5%; synergist is phenylacetaldehyde, content 0.5%; protective agent is tetrakis(β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid) pentaerythritol ester, tris(2, The composition of 4-di-tert-butylphenyl) sodium phosphite, its content is 10%; the mass content of pheromone accounts for 3% in total, and each component of pheromone and its mass content are as follows, and its addition amount is based on standard The mass number is the unit addition amount, and it is added according to the required number of parts of the relevant ingredients.

[0023] Table 1: Composition ratio table of different compositions of Spodoptera frugiperda pheromone

[0024] Unit: copies

[0025] Pheromone composition...

Embodiment 2

[0038]The composition of the insect pheromone attractant of Spodoptera frugiperda of the present invention, its composition and mass content are as follows: pheromone content is 0.5%, wherein, each component is respectively: (Z)-11-hexadecane 2.5 parts of carbene acetate, 3 parts of (Z)-7-dodecene acetate, 5 parts of (E)-7-dodecene acetate, (Z)-9-tetradecene 90 parts of ene acetate, 5 parts of (Z)-9-dodecenol acetate, and 4.5 parts of (Z)-11-tetradecene acetate; the mass content of the protective agent is 7.2%, and its composition are 2-(2'-hydroxy-5'-octylphenyl)-benzotriazole, 2-hydroxy-4-n-octyloxy-benzophenone and 2-(2H-benzotriazole-2- base)-4,6-bis(1-methyl-1-phenylethyl) composition; the mass content of synergist is 0.3%, and its components are a 1:1 mixture of phenylacetaldehyde and leaf alcohol acetate; The slow-release solvent components and content ratio are shown in Table 3, and the total content of the slow-release solvent is 92%, and compositions 1-3 are prepare...

Embodiment 3

[0050] The composition and mass content of an insect pheromone attractant of Spodoptera frugiperda of the present invention are as follows: the pheromone content is 5%, and the components are respectively: (Z)-11-hexadecane 3 parts of carbene acetate, 3.5 parts of (Z)-7-dodecene acetate, 15 parts of (E)-7-dodecene acetate, (Z)-9-tetradecene 113 parts of ene acetate, 3.4 parts of (Z)-9-dodecenol acetate, and 2 parts of (Z)-11-tetradecene acetate; the mass proportion of slow-release solvent is: 89.9 %, the composition of which is n-hexane, oleic acid, isopropyl myristate, and dioctyl terephthalate; the content of synergist is 0.1%, and its composition is phenylacetaldehyde (PAA), thyl alcohol acetate The composition of the protective agent and the content ratio are shown in Table 4, and the total mass content of the protective agent is 5%, and compositions 1-7 are made according to the relevant ratio.

[0051] At the same time, compare the composition CK according to the above-...

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Abstract

The invention relates to a composition of an insect pheromone attractant for Spodoptera frugiperda, which belongs to the field of plant protection, and is characterized in that the composition comprises the following components: 0.5-5% of Spodoptera frugiperda pheromone, 85-98% of a slow-release solvent, 0.1-0.5% of a synergist and 0.5-10% of a protective agent, wherein the components of the Spodoptera frugiperda pheromone comprise: (Z)-11-hexadecene acetate, (Z)-7-dodecene acetate, (E)-7-dodecene acetate, (Z)-9-tetradecene acetate, (Z)-9-dodecene acetate, (Z)-11-tetradecene acetate, (E)-7-dodecene acetate, (Z)-9-tetradecene acetate, (Z)-9-dodecene acetate and (Z)-11-tetradecene acetate. The attractant composition disclosed by the invention has the characteristics of strong specificity totarget pests, namely the Spodoptera frugiperda, good trapping effect, stable attractant and long lasting period, the lasting period can reach 90 days or more, the miscellaneous insect rate is less than 1%, and the requirements of accurate and stable monitoring of the target pests in the field can be met.

Description

technical field [0001] The invention belongs to the field of plant protection, in particular to a composition of an insect pheromone attractant for Spodoptera frugiperda. Background technique [0002] Spodoptera frugiperda ( Spodoptera frugiperda ), Lepidoptera Spodoptera genus, divided into two haplotypes, maize strains and rice strains, originally occurred in subtropical and tropical America, and occurred in Nigeria, Africa in 2016. In two years, it swept across 44 African countries and regions entered from Yunnan, China in January 2019. In September of the same year, 25 provinces across the country discovered its damage. The actual damage area was 164,000 hectares, but the insect area was more than 1 million hectares, which is a serious threat to agricultural production. The migratory pests have the characteristics of strong adaptability, wide host, wide distribution, rapid migration, serious damage, and strong reproductive ability. At this stage, it is necessary to accu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N37/02A01N35/02A01P19/00
CPCA01N35/02A01N37/02
Inventor 刘丽媛梁兴慧金雪菲隋学良杜进平李志坤曹安平张艳邓青毛爱华
Owner 北京依科曼生物技术股份有限公司
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