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Method for preventing and controlling bemisia tabaci in sweet potato greenhouse

A technology of bemisia tabaci and greenhouses, applied in the field of sweet potato planting, can solve the problems of large-scale occurrence of sweet potato virus diseases, and achieve the effect of practical promotion, avoiding large-scale epidemics, and preventing and controlling the outbreak of bemisia tabaci

Active Publication Date: 2021-03-26
SHANDONG YANTAI AGRI SCI & TECH INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] For this reason, the present invention provides a method for preventing and controlling Bemisia tabaci in sweet potato greenhouses, which can effectively prevent and control Bemisia tabaci during the seedling cultivation period of sweet potato greenhouses, so as to solve the problem of large-scale occurrence of sweet potato virus diseases caused by virus transmission by Bemisia tabaci

Method used

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  • Method for preventing and controlling bemisia tabaci in sweet potato greenhouse
  • Method for preventing and controlling bemisia tabaci in sweet potato greenhouse
  • Method for preventing and controlling bemisia tabaci in sweet potato greenhouse

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Embodiment 1

[0024] Embodiment 1 of the present invention provides a method for preventing and controlling Bemisia tabaci in sweet potato greenhouses, comprising the following steps:

[0025] S11: Mix the three agents of 80% dichlorvos 250 times liquid, 4% abamectin 400 times liquid and 24% spirotetramat 400 times liquid to obtain a mixed agent, and spray the mixed agent on sweet potato plants, Control the spray rate per mu of said mixed agent to be 35 kilograms;

[0026] S12: Carry out a greenhouse sealing on the sweet potato greenhouse after spraying the mixed agent. The time of the greenhouse sealing is controlled to 48 hours. more than 90 percent;

[0027] S13: After the primary greenhouse is sealed, use an aerosol compounded of 3% pyridaben and 9% isoprocarb to smoke the sweet potato greenhouse, and control the application rate of the aerosol to 1 kg per mu;

[0028] S14: Carry out secondary greenhouse airtightness on the sweet potato greenhouse after fumigation with aerosol, the ti...

Embodiment 2

[0033] Embodiment 2 of the present invention provides a method for preventing and controlling Bemisia tabaci in sweet potato greenhouses, comprising the following steps:

[0034] S21: Mix 350 times of 80% dichlorvos, 450 times of 4% abamectin and 450 times of 24% spirotetramat to obtain a mixed drug, and spray the mixed drug on sweet potato plants, Control the spray rate per mu of said mixed agent to be 30 kilograms;

[0035] S22: Carry out a greenhouse sealing on the sweet potato greenhouse after spraying the mixed agent. The time of the greenhouse sealing is controlled to 48 hours. more than 90 percent;

[0036] S23: After the primary greenhouse is sealed, use an aerosol compounded of 3% pyridaben and 9% isoprocarb to smoke the sweet potato greenhouse, and control the application rate of the aerosol to 1.2 kg per mu;

[0037] S24: Carry out secondary greenhouse airtightness on the sweet potato greenhouse after fumigation with aerosol, the time of the secondary greenhouse a...

Embodiment 3

[0042] Embodiment 3 of the present invention provides a method for preventing and controlling Bemisia tabaci in sweet potato greenhouses, comprising the following steps:

[0043] S31: 80% dichlorvos 400 times liquid, 4% abamectin 500 times liquid and 24% spirotetramat 500 times liquid are mixed to obtain a mixed drug, and the mixed drug is sprayed on sweet potato plants, Control the spray rate per mu of said mixed agent to be 25 kilograms;

[0044] S32: Carry out a greenhouse airtightness on the sweet potato greenhouse after spraying the mixed agent, the time of the first greenhouse airtightness control is 48 hours, and control the temperature of the sweet potato greenhouse at 46° C. during the daytime during the first greenhouse airtight process, and control the humidity of the sweet potato greenhouse at more than 90 percent;

[0045] S33: After the primary greenhouse is sealed, use an aerosol compounded of 3% pyridaben and 9% isoprocarb to smoke the sweet potato greenhouse,...

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Abstract

The invention discloses a method for preventing and controlling bemisia tabaci in a sweet potato greenhouse. The method comprises the following steps: uniformly mixing three medicaments, namely 80% dichlorvos diluted with water having weight of 250-400 times of that of the 80% dichlorvos, 4% abamectin diluted with water having weight of 400-500 times of that of the 4% abamectin, and 24% spirotetramat diluted with water having weight of 400-500 times of that of the 24% spirotetramat to obtain a mixed medicament, and spraying the mixed medicament; after spraying the mixed medicament, sealing thegreenhouse for 48 hours for the first time; after greenhouse sealing for the first time is completed, performing greenhouse smoking on the sweet potato greenhouse through a smoke agent formed by compounding 3% of pyridaben and 9% of isoprocarb; performing greenhouse sealing for the second time on the sweet potato greenhouse smoked by the smoke agent for 48 hours; after the greenhouse sealing forthe second time is completed, ventilating the sweet potato greenhouse, controlling the temperature of the sweet potato greenhouse to be 30-46 DEG C in the ventilating process, and controlling the humidity of the sweet potato greenhouse to be 80% or above; and repeating prevention and control 7-8 days later. The method can effectively prevent and control the outbreak of the bemisia tabaci, avoids the large-area prevalence of sweet potato virus diseases caused by the outbreak of the bemisia tabaci, guarantees the quality of sweet potato seedling raising, and has feasible popularization significance.

Description

technical field [0001] The invention relates to the technical field of sweet potato planting, in particular to a method for preventing and controlling Bemisia tabaci in sweet potato greenhouses. Background technique [0002] Sweet potato virus disease is mainly caused by sweet potato feather mottle virus, sweet potato latent virus, sweet potato yellow dwarf virus, geminivirus, etc. It can occur all over the country. Potato seedlings and potato chips can carry the virus for long-distance transmission, through machinery or aphids, whitefly and grafting. [0003] see figure 1 , sweet potato virus disease is the main factor that causes the yield and quality of sweet potato to decline. At present, more than 50% of the country's area is suffering from virus disease. The only way to prevent and control sweet potato virus disease is to cultivate virus-free seedlings for planting. Most of the virus-free seedlings are in Greenhouse propagation, in the process of greenhouse propagati...

Claims

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Application Information

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IPC IPC(8): A01G7/06A01G13/00A01G13/06A01G22/25A01N57/12A01N43/90A01N47/06A01N43/58A01N47/22A01P7/04
CPCA01G7/06A01G13/00A01G13/06A01G22/25A01N57/12A01N43/90A01N47/06A01N43/58A01N47/22Y02A40/25
Inventor 辛国胜
Owner SHANDONG YANTAI AGRI SCI & TECH INST
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