Method for improving adult stage and survival rate of Chouioia longirostris

A technology of beetle beetle and coconut heart leaf, which is applied in the field of biological control of agricultural and forestry pests, can solve the problems of affecting the natural ecological environment, planting fruit and eating safety, difficulty in forming a control effect, and difficult operation, so as to promote orderly production and ensure measurement, saving labor costs, and improving the survival rate

Active Publication Date: 2022-06-07
ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Because the trunks of palm plants are straight and slender, and the resulting trees are more than ten meters high, the operation of manual application of pesticides is difficult and costly. Moreover, the coconut heart leaf beetle hides in the heart leaves and is highly concealed. The chemical pesticide control method of spraying and rinsing the plants is used. , it is difficult for the pesticide to directly contact the insect body, and it is difficult to form an effective control effect
In addition, the long-term use of chemical pesticides will also lead to the resistance of pests. While killing pests, it will also kill natural enemies of pests, pollute the environment, etc., and also affect the natural ecological environment and the food safety of planted fruits.

Method used

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  • Method for improving adult stage and survival rate of Chouioia longirostris
  • Method for improving adult stage and survival rate of Chouioia longirostris
  • Method for improving adult stage and survival rate of Chouioia longirostris

Examples

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Effect test

Embodiment 1

[0027] Embodiment 1: the influence of metformin hydrochloride on the survival rate of the adult bee of A.

[0028] Select the 2-day-old pupa of Coconut palmatum, and put each group of 7 heads into a concentration of 1.25 × 10. -4 mg / L, 2.5×10 -4 mg / L, 5×10 -4 mg / L, 1×10 -3 mg / L, 1.5×10 -3 mg / L, 2.5×10 -3 mg / L, 3×10 -3 mg / L, 4×10 - 3 mg / L and 5×10 -3 mg / L metformin hydrochloride solution, soaked for 3 s, taken out to dry, transferred to a plastic finger tube with a diameter of 1 cm and a length of 10 cm, and sealed with a cotton ball. The newly emerged adult Beetle beetles were collected, and 10 male and female insects with complete appendages were selected, put into the above plastic finger-shaped tube, and sealed with cotton balls. For each treatment, use a medical cotton swab to dip the 10% honey water containing the corresponding concentration of metformin hydrochloride according to the corresponding concentration of the above-mentioned dipping pupae (the concentra...

Embodiment 2

[0031] Embodiment 2: the influence of metformin hydrochloride on prolonging the adult stage of the bee of the palm leaf bee

[0032] Select the 2-day-old pupa of Coconut palmatum, and put each group of 7 heads into a concentration of 1.25 × 10. -4 mg / L, 2.5×10 -4 mg / L, 5×10 -4 mg / L, 1×10 -3 mg / L, 1.5×10 -3 mg / L, 2.5×10 -3 mg / L, 3×10 -3 mg / L, 4×10 - 3 mg / L and 5×10 -3 mg / L metformin hydrochloride solution, soaked for 3 s, taken out to dry, transferred to a plastic finger tube with a diameter of 1 cm and a length of 10 cm, and sealed with a cotton ball. The newly emerged adult Beetle beetles were collected, and 10 male and female insects with complete appendages were selected, put into the above plastic finger-shaped tube, and sealed with cotton balls. For each treatment, use a medical cotton swab dipped in 15% honey water containing the corresponding concentration of metformin hydrochloride (metformin hydrochloride is 1.25 × 10 -4 mg / L, 2.5×10 -4 mg / L, 5×10 -4 mg / L,...

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Abstract

The invention belongs to the field of biological prevention and control of agricultural and forestry pests, and relates to a method for simultaneously improving the adult stage and survival rate of Chouioia longirostris, which comprises the following steps: feeding adult Chouioia longirostris population by taking a honey aqueous solution containing metformin hydrochloride as supplementary nutrition, and taking Chouioia longirostris pupae soaked by the metformin hydrochloride solution as a host to prepare a culture medium for the adult Chouioia longirostris; the impregnated brontispa longissima pupae are provided according to the population number of the brontispa longissima, the adult stage of the brontispa longissima can be prolonged, and the survival rate of the brontispa longissima can be increased. According to the method, the brontispa longissima pupae are selected as parasites, the honey aqueous solution containing the metformin hydrochloride with the specific concentration is provided for the adult brontispa longissima to serve as a supplementary nutrient solution, the survival rate of the adult brontispa longissima is increased, the adult period of the adult brontispa longissima is prolonged, and the survival rate of the adult brontispa longissima is increased. The application effect of biological control of palm pests in tropical areas in China is improved, and the method plays a positive role in protecting the planting safety of the palm plant industry.

Description

technical field [0001] The invention belongs to the field of biological control of agricultural and forestry pests, and relates to a method for artificially improving the survival rate and prolonging the adult period of Beetle dulcis, and in particular to a method for feeding Metformin hydrochloride-containing nutrient solution in the adult stage. , methods to improve the survival rate of adult bees and prolong their adult period. Background technique [0002] Palm plants such as coconut, betel nut and oil palm are an important part of my country's tropical natural ecosystem. They can not only maintain the stability of the natural ecological environment, but also provide important support for improving farmers' production and income and future flexible employment. Coconut leaf beetle is a typical tropical invasive palm plant pest, and it is the most important pest restricting the palm plant industry in my country. Both the adults and larvae feed on the undeveloped epidermal...

Claims

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Application Information

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IPC IPC(8): A01K67/033
CPCA01K67/033Y02P60/87
Inventor 林玉英金涛陈青杨升院梁晓郝铮
Owner ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI
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