A method for poisoning adult apple snails by using lantana leaves or leaves or flowers of snails

Abstract

The present invention discloses a method for killing adult Ampullaria gigas spix by using leaves of Lantana camara, or leaves or flowers of Allamanda cathartica. A method uses three plant organs, leaves of Lantana camara or Allamanda cathartica or flower poison of Allamanda cathartica, as the materials; the materials are pulverized and sieved into powders with different specifications; and the powders are arranged into clear water control, and concentrations of 1g / L, 3g / L, 6g / L, 9g / L, 12g / L, 15g / L, 18g / L and 21g / L for indoor poisoning of Ampullaria gigas spix; Lantana camara and Allamanda cathartica have molluscicidal effect; and leaves of Lantana camara has molluscicidal effect better than flowers and leaves of Allamanda cathartica. At the same concentration, longer the poisoning time reaches the better effect; and for poisoning, the powder particle size also has some influence that greater mesh reaches better poisoning effect.

Description

technical field [0001] The invention relates to a method for killing adult apple snails, in particular to a method for killing adult apple snails by poisoning the leaves of lantana or the leaves or flowers of the yellow cicada. Background technique [0002] Apple snails, also known as big bottle snails and apple snails, are amphibious freshwater shellfish molluscs. They belong to molluscs, gastropods, mesogastropods, bottle snails, and bottle snails. They belong to tropical and subtropical species; they are native to southern China. In the Amazon River Basin of America, apple snails were gradually introduced to Japan, the Philippines, Vietnam, Thailand and other countries as a food after the 1980s; Widely cultivated in Guangdong, and quickly spread to Guangxi, Fujian, Hainan, Zhejiang, Shanghai, Jiangsu and other places. Later, the apple snail was abandoned in the field because of its poor taste. Due to blind introduction and poor management, the apple snail is currently in ...

AI Technical Summary

Problems solved by technology

[0004] At present, 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., but due to factors such as the stability of the effect, the choice of implementation timing, the acquisition of materials, and the cost , most of them are not suitable for large-scale use

Drug control is one of the measures for the control of apple snails. The agents used are basically chemical agents. In addition to causing a certain degree of pollution to the environment, there are also problems such as high prices; the chemicals sprayed on the surface of vegetables will affect the consumption of vegetables. health, its residues are likely to endanger the ecological environment, and apple snails in some areas have developed resistance to chemical pesticides, making control more difficult and costly

Images