Mango deporaus marginatus pascoe attractant and preparation method thereof

A mango leaf-cutting weevil and attractant technology, applied in the direction of attracting pests, botanical equipment and methods, biocides, etc., to achieve the effects of increasing adaptability, convenient transportation, and easy use

Active Publication Date: 2014-10-15
INST OF PLANT PROTECTION FAAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no research report on the sex pheromone of the mango leaf-cutting weevil. The research

Method used

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  • Mango deporaus marginatus pascoe attractant and preparation method thereof
  • Mango deporaus marginatus pascoe attractant and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] One, the preparation of mango cut leaf weevil attractant formula

[0032] 1.1 Preparation of 100 μg / ml single component solution

[0033] Preparation of 100 μg / ml valencene solution: Add 10 μl of the previously prepared 10 μg / μl valencene quasi-compound into 990 μl of liquid paraffin, and mix evenly;

[0034] Preparation of 100 μg / ml β-myrcene solution: Add 10 μl of the previously prepared 10 μg / μl β-myrcene standard compound into 990 μl of liquid paraffin, and mix evenly;

[0035] Preparation of 100 μg / ml terpineolene solution: Add 10 μl of the previously prepared 10 μg / μl terpineolene standard compound into 990 μl of liquid paraffin, and mix evenly;

[0036] Preparation of 100 μg / ml β-caryophyllene solution: Add 10 μl of the previously prepared 10 μg / μl β-caryophyllene standard compound into 990 μl of liquid paraffin, and mix evenly;

[0037] Preparation of 100 μg / ml of 100 μg / ml of citrusene solution: 10 μl of the 10 μg / μl of citrusene standard compound prepared ...

Embodiment 2

[0048] The Y-type olfactory instrument was used to measure the directional behavior response of the mango cut leaf weevil to the mixture (improved by our laboratory based on the basic principle of the olfactory instrument, the authorized patent number is: ZL201020239767.7). The main arm of the Y-shaped tube is 20cm, the length of the two arms is 10cm, and the angle between the two arms is 90°C. At the ends of the tubes of the two arms, silicone tubes were used to connect the distilled water bottle and the activated carbon bottle in sequence. Finally, the activated carbon bottle was opened in the atmosphere, and the insect release bottle was connected to the suction device with gauze. Cut the filter paper strip into 5cm × 1cm, fold it into a "V" shape, and place it in the trap inlet glass tube. Take 100 μl of the mixture obtained in the above step 1.2 and drop evenly on the filter paper strip and put it into the flavor source bottle on one side, and use the filter paper dripped...

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Abstract

The invention discloses a mango deporaus marginatus pascoe attractant and preparation method thereof. The attractant is prepared through taking liquid paraffin as a solvent and mixing the following components with the equal mass: 100 microgram/ml of valencene, Beta-geraniolene, terpinolene, Beta-caryophyllene, aromadendrene, Alpha-farnesene and (1R)-(+)-Alpha-pinene and trans-2-hexenal. The attractant is a special component screened out from host plants, and has the characteristics of long function effect and strong goal orientation, and meanwhile, the attractant induces the deporaus marginatus pascoe adults to quickly enter a target trapping area and keeps the deporaus marginatus pascoe adults from escaping from a target trapper, the trapping lasting period reaches 20 days above, so that the probability of the deporaus marginatus pascoe adults to mating and spawning in the natural environment is greatly reduced, and the female and male deporaus marginatus pascoe adults can be trapped and killed together, as a result, the attractant is of great significance in the reduction of the field population quantity of the mango deporaus marginatus pascoe, improvement of control efficiency of the mango deporaus marginatus pascoe, and the development of green, safe and sustainable pollution-free technologies.

Description

technical field [0001] The invention belongs to the technical field of biological control of fruit tree pests, and in particular relates to an attractant for mango cut-leaf weevil and a preparation method thereof. Background technique [0002] mango( Mangifera indica Linn.) Leaf-cut weevil ( Deporaus marginatus Pascoe), also known as mango leaf-cutting weevil, belongs to Lepidoptera Noctuidae. It is the main pest of mango young leaves. The generation overlap is serious. Both male and female adults feed on mango young leaves, especially the female adults are accompanied by leaf cutting during the process of laying eggs. behavior, affecting the growth of mango trees. In view of the increasing resistance of mango leaf cutting weevil, there is still no efficient and environmentally friendly control method, the control effect of traditional agricultural control is limited, and it is easy to pollute the environment (Kumawat M M, Singh K M. Population dynamics and management o...

Claims

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Application Information

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IPC IPC(8): A01N35/02A01P19/00A01N27/00
Inventor 田厚军魏辉陈艺欣林硕
Owner INST OF PLANT PROTECTION FAAS
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