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Comprehensive control method of cassava red spider disease in subtropical zones

A subtropical area, comprehensive prevention and control technology, applied in the fields of botanical equipment and methods, horticulture, hunting equipment, etc., can solve problems such as the decline of plant photosynthesis, the increase of damage area, and the impact of cassava yield, etc., and achieve high ecological and economic benefits. Good insect resistance and the effect of promoting environmentally friendly planting

Inactive Publication Date: 2017-08-11
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Red spiders mainly damage the leaves of plants, making the leaves thin, yellow, or even fall off completely, resulting in a decrease in plant photosynthesis, resulting in a reduction in plant yield
In recent years, cassava in Guangxi has been severely damaged by red spiders, and the area of ​​damage has increased year by year, seriously affecting the production of cassava and causing major economic losses
At the same time, the drug resistance of spider mites is increasing day by day, making it more difficult to control

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The inventor carried out the comprehensive control method of the cassava red spider disease of the inventive technology in Wuming Lijian, Nanning, Guangxi in mid-February, 2014. The comprehensive control method comprises the following steps:

[0027] (1) Seed selection and location: The artificially pollinated and sexually hybridized cassava from the Institute of Economic Crops, Guangxi Zhuang Autonomous Region Academy of Agricultural Sciences was selected as the planting variety, and the farmer's fields around Lijian Town, Wuming County, Nanning, Guangxi were selected as the place for the implementation of this technology. The soil of the land is relatively poor, cassava has not been planted for many years, and the organic matter content of the soil is only 2.2%. At the same time, the land is surrounded by open land with no tall shelters, good lighting conditions, good ventilation, and flat terrain; the cassava planting varieties have the following standards : Fully mat...

Embodiment 2

[0035] The inventor carried out the comprehensive control method of the cassava red spider disease of the invention technology in Yongzhou Town, Mashan County, Nanning, Guangxi in March 2015. The comprehensive control method comprises the following steps:

[0036](1) Seed selection and location: The artificially pollinated cassava from the Institute of Economic Crops of the Guangxi Zhuang Autonomous Region Academy of Agricultural Sciences was selected as the planting variety, and the farmer's field around Yongzhou Town, Mashan County, Nanning, Guangxi was selected as the place where this technology was implemented. The soil is relatively poor, cassava has not been planted for many years, and the organic matter content of the soil is only 2.5%. At the same time, the land is surrounded by open land, without tall shelters, good lighting conditions, good ventilation, and flat terrain; the cassava planting varieties have the following standards: Fully mature, thick stems with dense ...

Embodiment 3

[0044] The inventor carried out the comprehensive control method of the cassava red spider disease of the invention technology in Taoxu Town, Hengxian County, Nanning, Guangxi in February, 2016. The comprehensive control method comprises the following steps:

[0045] (1) Seed selection and location: The artificially pollinated cassava from the Economic Crops Research Institute of the Guangxi Zhuang Autonomous Region Academy of Agricultural Sciences was selected as the planting variety, and the farmers' fields around Taoxu Town, Hengxian County, Nanning, Guangxi were selected as the place for this technology to be implemented. The soil is relatively poor, cassava has not been planted for many years, and the organic matter content of the soil is only 2.1%. At the same time, the land is surrounded by open land, without tall shelters, good lighting conditions, good ventilation, and flat terrain; the cassava planting varieties have the following standards: Fully mature, thick stems ...

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PUM

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Abstract

The invention relates to a comprehensive control method of the cassava red spider disease in subtropical zones. The method comprises the steps of seed and field selection, planting management, field management, harvest and the like, wherein the cassava with high resistance to red spider harming, high yield performance and strong cold resistance is selected as the planted species so as to ensure the good insect resistance of the cassava; by releasing natural enemies of red spiders to the field, the number of the red spiders is greatly reduced, so do the insecticides and the production cost, and environment-friendly planting is promoted; by spraying a proper quantity of insecticides, the red spiders can be effectively killed when the cassava field is badly harmed by the red spiders.

Description

technical field [0001] The invention belongs to the technical field of agricultural pest control, and in particular relates to a comprehensive control method for cassava red spider disease in subtropical regions. Background technique [0002] Cassava, scientific name is Manihot esculenta Crantz, English name is Cassava, alias cassava, cassava, cassava is one of the three major potato species in the world, it is a perennial (tropical and subtropical) or annual (temperate) cassava (Manihot) of Euphorbiaceae. shrub. Cassava originated in South America. Cassava roots are conical, cylindrical or spindle-shaped, fleshy and rich in starch. The cassava planting area in Guangxi is about 4 million mu, accounting for more than 60% of the national cassava planting area; cassava has become one of the main economic crops in Guangxi. Cassava plays an important role in crop layout, feed production, industrial application, etc., and has become the main processed starch and feed crop widel...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G13/00A01M99/00
CPCA01G13/00A01G13/0275A01G22/00A01M99/00A01M2200/011
Inventor 何新霞
Owner GUANGXI UNIV
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