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Method for controlling pomacea canaliculata by planting potatoes in winter vacant paddy field in winter

A technology of apple snails and potatoes, which is applied in the fields of botanical equipment and methods, applications, and monitoring of invasive species, and can solve problems such as drug resistance, safety issues, and ecological and environmental problems of apple snails.

Inactive Publication Date: 2014-08-27
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are many methods for the control of apple snails, but the most important ones rely on chemical control. Although some chemical molluscicides have good control effects, they are highly toxic to aquatic organisms in paddy fields, and are likely to cause ecological environmental problems and agricultural product safety. Problem: long-term use of chemical mollusc-removing agents, apple snails will also develop drug resistance, so there are great limitations in the practical application of mollusc-removing agents

Method used

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  • Method for controlling pomacea canaliculata by planting potatoes in winter vacant paddy field in winter
  • Method for controlling pomacea canaliculata by planting potatoes in winter vacant paddy field in winter
  • Method for controlling pomacea canaliculata by planting potatoes in winter vacant paddy field in winter

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Experimental program
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Effect test

Embodiment 1

[0027] Research on controlling the occurrence and damage of apple snails in early rice fields by using paddy and dry crop rotation in winter fallow fields. The experiment was completed in the experimental field of Zengcheng Teaching and Research Base of South China Agricultural University (E 113°29′-114°0′, N 23°5′-23°37′). The trial period was from July 2012 to July 2013.

[0028] The test steps are as follows:

[0029] 1) A comparative experiment of the annual rotation cycle production system of "late rice-winter potato-early rice" and the annual rotation cycle production system of "late rice-winter ryegrass-early rice".

[0030] 2) Seedling raising of late rice: Prepare rice seeds according to the standard of 3 kg per mu of field, the variety is Huanghuazhan (Yueshendao 2005010), and the seedling raising time is about 20-30 days.

[0031] 3) Fertilization and transplanting: 300 kg of chicken manure was used as the base fertilizer, and no chemical fertilizers, pesticides a...

Embodiment 2

[0040] A method for controlling apple snails by utilizing winter slack rice field winter planting potatoes, comprising the following steps:

[0041] 1) Late rice seedling raising: according to the standard of 3 kg per mu of field rice seed (the rice variety is Yuexiangzhan), the seedling raising time is about 30 days.

[0042] 2) Fertilization and transplanting: 300 kg of chicken manure was used as the base fertilizer, and no chemical fertilizers, pesticides and herbicides were used throughout the growth period. There are 4 seedlings per hole for transplanting, and the spacing between plants and rows is 25 cm × 20 cm.

[0043] 3) After harvesting the late rice, plow and harrow the land to form ridges, dig furrows according to 110 cm, in which the width of the furrow is 85 cm, the height of the furrow is 20 cm, and the width of the furrow between the ridges is 20 cm. It is required to ensure that the plowed soil layer is as deep as 20 cm, and the diameter of the soil block is ...

Embodiment 3

[0049] A method for controlling apple snails by utilizing winter slack rice field winter planting potatoes, comprising the following steps:

[0050] 1) Seedling raising of late rice: Prepare rice seeds according to the standard of 3 kg per mu of field (the rice variety is Yuxiangyouzhan), and the seedling raising time is about 25 days.

[0051] 2) Fertilization and transplanting: 300 kg of chicken manure was used as the base fertilizer, and no chemical fertilizers, pesticides and herbicides were used throughout the growth period. There are 5 seedlings per hole for transplanting, and the spacing between plants and rows is 25 cm × 20 cm.

[0052] 3) After the late rice was harvested, plow and harrow the land to form ridges, and furrows were dug and raised according to 110 cm. The width of the furrow was 87 cm, the height of the furrow was 23 cm, and the width of the furrow between the ridges was 23 cm. It is required to ensure that the plowed soil layer is as deep as 23 cm, and...

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Abstract

The invention belongs to the field of prevention and treatment of invasive species in ecological agriculture, and particularly relates to a method for controlling pomacea canaliculata by planting potatoes in a winter vacant paddy field in winter. According to a research finding, by planting potatoes in the winter vacant paddy field in winter, the damage of the pomacea canaliculata to early rice in the coming year can be controlled, and the rice yields in the coming year can be improved. In accordance with the finding, the inventor establishes an annual crop rotation circulation production system of 'late rice-winter planted potatoes-early rice', by means of the production system, land can be fully utilized, prevention and treatment of the pomacea canaliculata can also be achieved, and thus ecological economical benefits can be improved ultimately.

Description

technical field [0001] The invention belongs to the field of ecological agricultural prevention and control of alien invasive organisms, and in particular relates to a method for controlling apple snails by utilizing winter-planted potatoes in slack rice fields. Background technique [0002] Apple snail ( Pomacea canaliculata ), also known as big bottle snails, apple snails, native to the Amazon River Basin in South America. In 1981, as a kind of edible snail, it was introduced from Taiwan to mainland my country for breeding. During the breeding boom in the 1980s, it was introduced to Guangdong, Guangxi, Fujian, Sichuan, Guizhou, Zhejiang, Shanghai, Jiangsu and other places, even in Gansu and Liaoning. There are also breeding, but the apple snails that were abandoned due to poor taste have spread rapidly, and have now broken out in most southern provinces and regions, seriously endangering crop production. Under the damage of apple snails, rice yields are reduced by between...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCY02A90/40
Inventor 章家恩郭靖赵本良梁开明罗明珠罗颢
Owner SOUTH CHINA AGRI UNIV