Application of alien invasive plant Ambrosia artemisiifolia in control of golden apple snail

A technology of foreign invasion and apple snails, applied in the fields of application, molluscicide, plant growth regulator, etc., can solve the problems of non-target organisms such as high toxicity, high price, and easy pollution of the environment, and achieve easy acquisition, simple operation, and reduced pollution Effect

Active Publication Date: 2015-05-20
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the agents used to control apple snails in my country are basically chemical agents. In addition to easily polluting the environment, there are also problems of high price and high toxicity to non-target organisms.

Method used

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  • Application of alien invasive plant Ambrosia artemisiifolia in control of golden apple snail
  • Application of alien invasive plant Ambrosia artemisiifolia in control of golden apple snail

Examples

Experimental program
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Effect test

Embodiment 1

[0019] In this study, the invasive plant ragweed was used to kill apple snails in rice fields. The specific steps include:

[0020] 1. Collect the invasive plant ragweed, wash the plant material, and dry it in the shade in a ventilated place;

[0021] 2. Dry the shredded plant material in a constant temperature blast drying oven at 60°C for 24 hours, crush it through a plant sample grinder, pass through a 40-mesh sieve, put the dry powder sample into a plastic bag and seal it, and place it in a desiccator Save it for later use.

[0022] 3. When in use, add ragweed dry powder 10 g / L to the water body for 3 days to kill 95% of apple snails.

[0023] The method provided by the invention can effectively kill apple snails, and has been verified through toxicity tests of ragweed with different dosages on apple snails, and the experimental control does not add ragweed. Put apple snails in a plastic basin, add 1.0 L of clean water (water temperature 25-30°C), add 5 g and...

Embodiment 2

[0027] Collect ragweed, wash the ragweed, dry it in the shade in a ventilated place, and cut it into pieces;

[0028] The shredded ragweed was dried in a constant temperature blast drying oven at 60°C for 24 h, crushed by a plant sample grinder, passed through a 40-mesh sieve, put the obtained dry ragweed powder into a plastic bag, sealed, and placed in a desiccator Save it for later use.

[0029] Adult apple snails consume a large amount of food to rice, are the most harmful, and have strong individual fecundity. Therefore, the toxicity of the dried ragweed powder to adult apple snails was tested in this example. Put 80 birds / m in the pot 2 Adult apple snails (snail weight more than 6.5 grams per snail), 1 L of clean water (water temperature 25-30°C), and treatment dosages are 2 g, 5 g, 10 g, 15 g, and 20 g, respectively. It was observed at different times that the mortality rate of adult apple snails reached 83% after 3 days and 90% after 4 days after adding ragweed dry po...

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Abstract

The invention belongs to the environment-friendly technical field of snail-killing plant resource utilization, and particularly relates to a method of utilizing an alien invasive plant Ambrosia artemisiifolia to control a harmful mollusc golden apple snail which invades South China. The method comprises the step of adding dried powders of the alien invasive plant Ambrosia artemisiifolia to directly control the golden apple snail, and is characterized in that 1) the utilized plant is Ambrosia artemisiifolia (asteraceae); and 2) the dosage of the dried powders of Ambrosia artemisiifolia is 10 g / L. The method has the advantages that the plant material which is Ambrosia artemisiifolia is a common alien invasive plant in South China, so that the plant is easily obtained, and under a certain dosage, the golden apple snail can be effectively controlled.

Description

technical field [0001] The invention belongs to the environment-friendly technical field of utilization of snail-killing plant resources, and in particular relates to the application of the invasive plant ragweed in killing apple snails and a method for the application. Background technique [0002] Apple snail is a dangerous and harmful invasive organism that has attracted much attention in the world in recent years. It has strong stress resistance, miscellaneous feeding habits, large food intake, astonishing fecundity and extremely fast growth rate. It has great impact on rice production and rice field biodiversity in southern my country The danger is serious. At present, the agents used to control apple snails in my country are basically chemical agents. In addition to easily polluting the environment, there are also problems of high price and high toxicity to non-target organisms. The development and utilization of molluscicidal plant resources is one of the important wa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/12A01P9/00
Inventor 章家恩赵本良方丽全国明罗明珠
Owner SOUTH CHINA AGRI UNIV
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