Application of ginkgoic acid and ginkgol compounds to killing Ampullaria gigas

Abstract

The invention belongs to the technical field of biopesticides, discloses application of ginkgoic acid and ginkgol compounds to killing agriculturally harmful mollusks, and discloses novel application of the ginkgoic acid and ginkgol to preparation of the biopesticides. The invention shows that the ginkgoic acid and ginkgol compounds can effectively inhibit the synthesis of glycogen and protein inmollusk ampullaria gigas, can simultaneously inhibit the activities of ChE, SDH and MDH in the cephalopodium and the liver of the ampullaria gigas, interfere a NADH respiratory chain and cause energymetabolic dysfunction so as to cause cell energy supply deficiency and unattainability of normal synthesis and secretion functions, and promote the lack of important proteins and enzymes in the body of the ampullaria gigas so as to cause the death of the ampullaria gigas. The ginkgoic acid and the ginkgol are readily degradable in the natural environment, and have small influence on the environment; and an acute toxicity test proves that the ginkgoic acid and the ginkgol are proved to be slightly toxic pesticides, can be developed into novel biopesticides, and can be used for preventing the ampullaria gigas for rice, vegetables and fruits.

Description

technical field [0001] The invention relates to biopesticides, in particular to the new application of ginkgolic acids and ginkgols (ginkgols, also known as ginkgool) in the preparation of biopesticides, in particular to the use of ginkgolic acids and gingkools to kill apple snails, an agricultural pest. Background technique [0002] Apple snail [Pomacea canaliculata (Lamarck)] is also called big bottle snail, apple snail, snow snail in my country, and it is a kind of aquatic snail. Originated in the Amazon River Basin in South America, it was introduced into Taiwan as an economic animal in the late 1970s. It was introduced into Guangdong in 1981, and then introduced into Guangxi, Fujian, Hainan, Zhejiang, Shanghai, Jiangsu and other places. They don't like to eat, and the economic benefits of breeding are poor. They were soon abandoned in the farmland environment and gradually developed into harmful organisms for crops. It was one of the first 16 alien species that invaded ...

AI Technical Summary

Problems solved by technology

[0005] At present, although there are many ways to control apple snails, such as: winter rice field trimming, scientific water management, manual removal of egg masses, release of ducks to eat snails, etc., due to factors such as the stability of the effect, the choice of implementation timing, the acquisition of materials, and the cost, etc. restrictions, most of them are not suitable for large-scale use

Therefore, drug control is still one of the most important measures for the control of apple snails, but the chemical drugs sprayed on the surface of vegetables will affect the health of the eaters, and their residues are likely to endanger the ecological environment, and the apple snails in some areas have developed resistance to chemical pesticides , making prevention and control more difficult and costly

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