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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 high toxicity of non-target organisms, easy pollution of the environment, high price, etc., and achieve easy acquisition, reduced pollution, and simple operation Effect

Active Publication Date: 2013-04-03
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 snails in rice fields. The specific steps include:

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

[0021] 2. The cut plant materials are dried in a constant temperature blast drying oven at 60°C for 24 hours, crushed by a plant sample crusher, passed through a 40-mesh sieve, and the dry powder sample is put into a plastic bag, sealed, and placed in a desiccator Save it for future use.

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

[0023] The method provided by the invention can effectively kill the snail snails. The toxicity test of ragweed with different dosages on the snails has been verified, and the experimental control does not add ragweed. Put the Fushou snails in a plastic basin with 1.0 L of clean water (water temperature 25~30℃). After adding 5 g and 10 ...

Embodiment 2

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

[0028] The cut ragweed was dried in a constant temperature blast drying box at 60°C for 24 hours, crushed by a plant sample crusher, and passed through a 40-mesh sieve. The dried ragweed powder was put into a plastic bag, sealed, and placed in a desiccator Save it for future use.

[0029] Adult snails have a large food intake on rice, are the most harmful, and have strong individual reproductive ability. Therefore, the toxicity of the dry ragweed powder to adult snails was tested in this example. Put 80 in the basin / m 2 Adult Fushou snails (snail weight 6.5g / above), 1 L of clean water (water temperature 25-30℃), and the treatment dosages are 2g, 5g, 10g, 15g, 20g. Observed at different times, it was found that after adding 10 g / L of dry ragweed powder, the mortality rate of adult snails reached 83% after 3 days, and the mortality rate of adult snails reached 90% after 4 d...

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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 environmentally friendly technical field of the utilization of snail-killing plant resources, and specifically relates to the application of the invasive alien plant ragweed in killing the snail snail and the application method. Background technique [0002] Snail snail is a dangerous and harmful invasive organism that has attracted much attention internationally in recent years. It has strong resistance, omnivorous food, and large appetite. It has amazing fecundity and extremely fast growth rate. It is very important for rice production and rice field biodiversity in southern my country. The harm is serious. At present, the agents used in the prevention and treatment of snails in my country are basically chemical agents. In addition to easily polluting the environment, they also have the problems of high price and high toxicity to non-target organisms. The development and utilization of snail-killing plant resources is one of t...

Claims

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Application Information

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Patent Type & Authority Applications(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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