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A kind of volatile attractant of Bactrocera dorsalis and its application

A tangerine fruit fly and attractant technology, applied in the directions of attracting pests, applications, insecticides, etc., can solve the problems affecting fruit quality and yield, unsatisfactory effect, rotten fruit and fruit drop, etc., and achieves flexible use and production. Convenient and versatile effects

Active Publication Date: 2020-10-09
NANJING SINO GREEN BIOTECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After mating, mature Bactrocera dorsalis will lay eggs on many fruits, and the larvae will feed on the pulp after hatching from the eggs, resulting in a large number of rotten fruits and fruit drop, seriously affecting the quality and yield of fruits
[0004] At present, there is no particularly effective method for mature and mated female Bactrocera dorsalis. Studies have found that volatile substances in certain fruits are extremely attractive to Bactrocera dorsalis, so these volatile substances were used Food attractants made of substances are used to trap and kill Queensland fruit flies. For example, ethyl acetate, ethyl propionate and ethyl butyrate are mixed to make attractants. The effect is not ideal, and it is aimed at Queensland fruit flies. Not Bacteritis Bacteria

Method used

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  • A kind of volatile attractant of Bactrocera dorsalis and its application
  • A kind of volatile attractant of Bactrocera dorsalis and its application
  • A kind of volatile attractant of Bactrocera dorsalis and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] The proportioning of each formula in table 1 is as follows (mass ratio):

[0049] B1 = Ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 1:1:1)

[0050] B2 = ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 1:2:1)

[0051] B3 = Ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 1:1:2)

[0052] B4 = ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 1:2:2)

[0053] B5 = Ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 2:2:1)

[0054] C1 = ethyl acetate: ethyl propionate: ethyl butyrate (mass ratio is 4:1:1)

[0055] Table 1 The number of Bactrocera dorsalis attracted

[0056] deal with B1 B2 B3 B4 B5 C1 repeat 1 44 38 36 40 38 19 repeat 2 38 29 32 32 30 17 repeat 3 59 48 49 46 44 23 total 141 115 117 118 112 59

[0057] It can be seen from Table 1 that although all the attractants are effective, the effec...

Embodiment 2

[0059] The proportioning of each formula in table 2 is as follows (mass ratio):

[0060] B1 = Ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 1:1:1)

[0061] B6 = Ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 8:1:5)

[0062] B7 = Ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 3:8:1)

[0063] B8 = Ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 1:2:8)

[0064] B9 = Ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 4:6:1)

[0065] C2 = ethyl acetate: ethyl propionate: ethyl butyrate (mass ratio 1:1:1)

[0066] Table 2 The number of Bactrocera dorsalis attracted

[0067] deal with B1 B6 B7 B8 B9 C2 repeat 1 45 33 34 36 35 16 repeat 2 39 29 26 27 29 16 repeat 3 55 38 38 41 35 20 total 139 100 98 104 99 52

[0068] It can be seen from Table 2 that the attracting effect of B1 is obviously better than that ...

Embodiment 3

[0070] The proportioning of each formula in table 3 is as follows (mass ratio):

[0071] B (base mixture) = ethyl propionate, ethyl octanoate and Z,3-hexenyl acetate (mass ratio 1:1:1)

[0072] D1 = ethyl acetate, propyl acetate, ethyl propionate, ethyl butyrate, isobutyl acetate (mass ratio 1:1:1:1:1)

[0073] D2 = ethyl acetate, propyl acetate, ethyl propionate, ethyl butyrate, isobutyl acetate (mass ratio 1:1:1:2:1)

[0074] D3 = ethyl acetate, propyl acetate, ethyl propionate, ethyl butyrate, isobutyl acetate (mass ratio is 1:1:1:1:2)

[0075] D4 = ethyl acetate, propyl acetate, ethyl propionate, ethyl butyrate, isobutyl acetate (mass ratio 1:1:1:2:2)

[0076] D5 = ethyl acetate, propyl acetate, ethyl propionate, ethyl butyrate, isobutyl acetate (mass ratio is 4:1:1:1:1)

[0077] Table 3 The number of Bactrocera dorsalis attracted

[0078] deal with B D1 D2 D3 D4 D5 repeat 1 39 22 17 18 22 24 repeat 2 47 27 27 23 31 28 repeat ...

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Abstract

The invention provides a volatile attractant applied to citrus fruit flies. The volatile attractant is prepared from the following components: ethyl propanoate, ethyl caprylate and Z,3-hexenyl acetateaccording to a mass ratio of (1-8) to (1-8) to (1-8). When the attractant is used, the attractant is added into a carrier or is placed in a monitoring, trapping and killing device used for attractingand killing the citrus fruit flies; the device comprises a main body, an upper insertion part and a lower insertion part; the attractant is placed in the main body; a contact insecticide is distributed on the outer surface of the main body. The attractant is composed of a series of volatile substances included in fruits, is easily available in raw materials, simple in formula and convenient to prepare, and can achieve an excellent effect of attracting mature citrus fruit flies and especially mature mated citrus fruit flies.

Description

technical field [0001] The invention relates to an attractant of the fruit fly genus, in particular to a volatile attractant of Bactrocera dorsalis. Background technique [0002] Bactrocera fruit flies are native to the tropical and temperate regions of Asia and Australia, and are the main fruit pests in these regions. Of these, Bactrocera dorsalis is the most destructive pest, attacking citrus, mango, peach, guava, carambola, and many other fruits. Bacteralis orange, which colonized sub-Saharan Africa and Hawaii, was introduced to tropical Queensland in 1995. [0003] The flying ability of Bactrocera dorsalis is very strong, and it is easily attracted by various volatile substances. Methyl eugenol is well known as an attractant for male fruit flies. Food attractants for immature female fruit flies include ammonia and various odors associated with fermentation, and volatile attractants have been successfully used to monitor B. dorsalis by trapping and to control B. dorsal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/02A01N35/04A01N43/22A01N27/00A01N37/06A01N37/10A01N53/08A01N53/06A01P19/00A01P7/04A01M1/02A01M1/20
CPCA01M1/02A01M1/2016A01N27/00A01N35/04A01N37/02A01N37/06A01N37/10A01N43/22A01N53/00
Inventor 陈超全金成陈贵峰江一红门友均黄金盟高爱华塞斯文齐玉洁刘思璐
Owner NANJING SINO GREEN BIOTECH