Method for preventing and controlling tomato yellow leaf curl virus

A technology for tomato yellow leaf curl and tomato, applied in the field of prevention and treatment of tomato yellow leaf curl virus, to achieve the effects of reducing the amount of use, solving the problems of tomato cultivation and planting, and improving environmental conditions

Inactive Publication Date: 2020-04-28
LUOYANG ACADEMY OF AGRI & FORESTRY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inventor has developed a method for preventing and treating tomato yellow leaf curl virus based on the defects in the prior art, which can well solve the outstanding problems in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Step 1. Tomato seedling selection: Tomato seedlings are grown with a plug-in substrate, and the substrate is composed of peat, mushroom residue, and vermiculite in a volume ratio of 3:3:2; tomato seedlings are selected from tomato seedlings with four leaves and one heart, and they can bloom after planting and slow seedlings ;

[0035] Step 2, determine the planting density of tomatoes: plant the tomato seedlings in step 1 in the solar greenhouse, plant the tomatoes in the solar greenhouse by wide and narrow rows, with a wide row spacing of 80cm, a narrow row spacing of 60cm, and a plant spacing of 35cm;

[0036] Step 3. Treatment of the solar greenhouse before tomato planting: 1) 30 days before tomato planting, clean the weeds, previous crops and all crops that can parasitize Bemisia tabaci in the solar greenhouse; 2), 7 days before planting, close The tuyere, airtight solar greenhouse, high temperature and stuffy shed for 2 days, eliminate whitefly and egg pupae in the...

Embodiment 2

[0041] Step 1. Tomato seedling selection: Tomato seedlings are grown with a plug-in substrate, and the substrate is composed of peat, mushroom residue, and vermiculite in a volume ratio of 3:3:2; tomato seedlings are selected from tomato seedlings with four leaves and one heart, and they can bloom after planting and slow seedlings ;

[0042] Step 2, determine the planting density of tomatoes: plant the tomato seedlings in step 1 in the solar greenhouse, plant the tomatoes in the solar greenhouse by wide and narrow rows, with a wide row spacing of 80cm, a narrow row spacing of 60cm, and a plant spacing of 35cm;

[0043] Step 3. Treatment of the solar greenhouse before tomato planting: 1), 40 days before tomato planting, clean the weeds, previous crops and all crops that can parasitize Bemisia tabaci in the solar greenhouse; 2), 7 days before planting, close Air vent, airtight solar greenhouse, high-temperature stuffy shed for 2.5 days, eliminate whitefly and egg pupae in the gr...

Embodiment 3

[0048] Step 1. Tomato seedling selection: Tomato seedlings are grown with a plug-in substrate, and the substrate is composed of peat, mushroom residue, and vermiculite in a volume ratio of 3:3:2; tomato seedlings are selected from tomato seedlings with four leaves and one heart, and they can bloom after planting and slow seedlings ;

[0049] Step 2, determine the planting density of tomatoes: plant the tomato seedlings in step 1 in the solar greenhouse, plant the tomatoes in the solar greenhouse by wide and narrow rows, with a wide row spacing of 80cm, a narrow row spacing of 60cm, and a plant spacing of 35cm;

[0050] Step 3. Treatment of the solar greenhouse before tomato planting: 1), 45 days before tomato planting, clean the weeds, previous crops and all crops that can parasitize Bemisia tabaci in the solar greenhouse; 2), 7 days before planting, close The tuyere, airtight solar greenhouse, high temperature and stuffy shed for 3 days, eliminate whitefly and egg pupae in th...

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PUM

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Abstract

The invention relates to the technical field of prevention and control of tomato virus and discloses a method for preventing and controlling tomato yellow leaf curl virus. The method comprises the following steps: step 1, seedling culture and selection of tomatoes; step 3, treatment of a solar greenhouse before tomato planting; step 4, installation of an exhaust system of the solar greenhouse; step 5, installation of a sprinkling irrigation system of the solar greenhouse; and step 6, management after tomato planting. Compared with the prior art, the method has the beneficial benefits as follows: 1, the method can effectively reduce the incidence of the tomato yellow leaf curl virus and effectively solve the problem of tomato cultivation and planting in the solar greenhouse after autumn; 2,by high-temperature greenhouse sealing, pests are prevented and controlled under the condition of no pesticides are used, and the environmental and ecological safety is facilitated; 3, through simulated rainfall, bemisia tabaci is killed and the use quantity of pesticides is reduced; and 4, through simulated rainfall and exhaust, the cooling effect of the solar greenhouse is good, the environmental condition for growth of tomatoes is improved, and the yield of the tomatoes is increased.

Description

technical field [0001] The invention relates to the technical field of tomato virus prevention and control, in particular to a method for preventing and treating tomato yellow leaf curl virus. Background technique [0002] Tomato yellow leaf curl virus disease is an explosive and destructive disease. The diseased field is generally reduced by 30-50%, and the harvest is severe. Tomato yellow leaf curl virus disease belongs to Geminiviridae, bean golden mosaic virus genus, the virus is mainly circulated in a persistent way through Bemisia tabaci, the only vector insect under natural conditions, so it is also called tobacco powder Lice-borne geminivirus. As the main cultivation crop of tomato in solar greenhouse, the disease of autumn delayed tomato yellow leaf curl virus is very serious. Bemisia tabaci, belonging to the order Homoptera, Bemisiaceae, and Bemisia tabaci are widely distributed in more than 90 countries and regions on all continents except Antarctica, harming tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G13/00A01G22/05A01G31/00
CPCA01G13/00A01G22/05A01G31/00
Inventor 张春奇黄江涛李红波于新峰吴正景杨爱国朱永王丽
Owner LUOYANG ACADEMY OF AGRI & FORESTRY SCI
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