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Regional plutella xylostella attractant based on Pearl River Delta region

A regional and Plutella xylostella technology, applied in the direction of attracting pests, biocides, animal repellents, etc., can solve the problems of differences in trapping effects of Plutella xylostella, differences in field application effects of Plutella xylostella attractants, etc. Drug resistance, human and animal safety, and the effect of not polluting the environment

Active Publication Date: 2015-01-07
INST OF ZOOLOGY GUANGDONG ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when promoting the use of diamondback moth attractants in recent years, it was found that the same attractant and the same application technology have obvious differences in the trapping effect of diamondback moth in different vegetable growing areas.
At the same time, there are also significant differences in field application effects of diamondback moth attractants produced by different companies in several vegetable growing areas (Xie Shenghua et al., 2010; Li Zhenyu et al., 2011)

Method used

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  • Regional plutella xylostella attractant based on Pearl River Delta region
  • Regional plutella xylostella attractant based on Pearl River Delta region
  • Regional plutella xylostella attractant based on Pearl River Delta region

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The field trapping experiment was carried out in the field of cruciferous vegetable Caixin in Conghua, Guangdong. All field trials were conducted during the peak period of Plutella xylostella adult occurrence. The diamondback moth lure core is placed in the center of the lure pot and is 2-3cm away from the water surface, and the trap is placed about 20cm higher than the top of the vegetable. Experimental design A, B, C, D, E, F, G, H a total of 8 treatments (as shown in Table 1), where H is a blank control, each treatment set 6 replicates in the field, and the pots were randomly placed in the field placed, and each pot is about 20m apart. For each different treatment, the survey was conducted every 2 days, the number of moths was counted, and the adults of Plutella xylostella trapped were fished out from the water basin and brought back to the laboratory. At the same time, change the position of the lure pot to reduce the influence of the position on the effect of att...

Embodiment 2

[0024] The field trapping experiment was carried out in a cruciferous vegetable field in Panyu, Guangdong. Field trials were also conducted during the peak period of adult emergence of diamondback moth. Experimental design B, C, D, F, G, and H consisted of 6 treatments (as shown in Table 1), and each treatment set 5 replicates in the field, and the pots were randomly placed in the field, and the distance between each pot was about 20m. Other methods are the same as in Example 1, investigate once every 2 days, and count the number of lured moths. At the same time, remove the adults of diamondback moth trapped in the water basin, change the position of the lure basin to reduce the impact of the position on the moth lure effect, and add water to the lure basin in time to keep the distance between the lure core and the water surface.

[0025] Table 3: Comparison of field moth-attracting effects of diamondback moth sex attractants with different ratios

[0026]

[0027] The re...

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Abstract

The present invention discloses a regional plutella xylostella attractant based on the Pearl River Delta region, wherein the regional plutella xylostella attractant comprises cis-11-hexadecenal, cis-11-hexadecene acetate and cis-11-hexadecenol according to a mass ratio of 10-90:90-10:0.1. According to the present invention, based on plutella xylostella in the Pearl River Delta region, the regional plutella xylostella attractant based on the Pearl River Delta region is developed, has a good Pearl River Delta region plutella xylostella attraction effect, provides a better effect compared with the optimal formula reported in the literature, and can be widely used for prevention and control of Pearl River Delta region plutella xylostella, wherein the optimal formula reported in the literature comprises cis-11-hexadecenal, cis-11-hexadecene acetate and cis-11-hexadecenol according to a mass ratio of 7:3:1.

Description

Technical field: [0001] The invention belongs to the field of pest control, and in particular relates to a regional diamondback moth attractant for the Pearl River Delta region. Background technique: [0002] Diamondback moth Plutella xylostella L. belongs to Lepidoptera (Lepidoptera) family Plutellidae, and is a worldwide pest that damages cruciferous vegetables. The world's annual losses and control costs due to diamondback moth are conservatively estimated to be as high as US$4 billion to US$5 billion (Zalucki et al., 2012). my country is the largest vegetable producer and consumer in the world. In 2011, the planting area of ​​vegetables in my country was 295 million mu, and the output was 679 million tons. When diamondback moth pests were severe, the yield loss could be as high as 30% (Ma Chunsen et al., 2010). [0003] Brassicaceae vegetables are planted all year round in South China, and diamondback moth occurs basically throughout the year. It has many generations a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/02A01P19/00A01N35/02A01N31/02
Inventor 戴建青韩诗畴
Owner INST OF ZOOLOGY GUANGDONG ACAD OF SCI
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