Method for controlling greenhouse insect pests in non-cold seasons

Abstract

The invention relates to a method for controlling greenhouse insect pests in non-cold seasons. According to investigation in Hainan, Guangdong, Shandong, Ningxia and other provinces, it is found thatin non-cold seasons, both greenhouses and plastic greenhouses are basically not completely closed, the insect control effect cannot be achieved, and the effect of preventing crop diseases can be achieved only by shielding part or all of rainwater. In non-cold seasons, the method for controlling the greenhouse insect pests comprises the steps that after harvesting, residues are removed, insect sources are reduced, a plastic film is rolled up, doors and windows of the greenhouse are opened, the soil is aired for a period of time after ploughing, some insects or worm eggs can be killed through sunlight and dryness, the insects can starve to death or move away due to lack of food, and after sowing, the greenhouse is closed before seedlings come out of soil until harvesting; and when the air temperature is high, insect-proof nets are arranged on the a greenhouse opening, the periphery and even the whole greenhouse.

Description

technical field

[0001] The invention relates to a method for preventing and controlling pests in greenhouses in non-cold seasons. Background technique

[0002] Greenhouses include greenhouses and plastic greenhouses with various structures, and some have insect-proof nets at the door or other parts for ventilation, ventilation, and cooling.

[0003] With the development of science and technology, many farmers engaged in vegetable cultivation have chosen to grow vegetables in greenhouses. Greenhouses are a simple infrastructure for protected crop cultivation in facility agriculture. It can make full use of solar energy, have a certain heat preservation effect, and The temperature and humidity in the shed can be adjusted within a certain range through the rolling film, so that vegetables can also be cultivated under natural conditions and in cold seasons that cannot grow normally due to low temperature.

[0004] According to surveys in several provinces such as Hainan, Guangd...

Examples

Embodiment Construction

[0010] The following takes the cultivation of fruit cucumbers, cabbage, and cowpea in greenhouses as examples to illustrate the methods of preventing and controlling pests in greenhouses.

[0011] Investigate the pests on the fruit cucumber plants in the greenhouse, the important ones are whitefly and leaf miner. After harvesting, the greenhouse is fully open. Remove debris and reduce insect sources. After plowing, the drying time was 1, 3, 5, and 7 days respectively. After sowing fruit and cucumber seeds, the greenhouse was closed, and the occurrence of insect pests was investigated after emergence. During the observation period of two months, no whiteflies and leaf miners were found in the open-air sheds after 5 days and 7 days, and the final yield increased by 35% and 45% respectively compared with the open sheds. In the sheds that were opened for 1 day and 3 days and then closed, whiteflies were reduced by 30 and 90% respectively, and leaf miners were reduced by 20 and 8...

technical field

[0001] The invention relates to a method for preventing and controlling pests in greenhouses in non-cold seasons. Background technique

[0002] Greenhouses include greenhouses and plastic greenhouses with various structures, and some have insect-proof nets at the door or other parts for ventilation, ventilation, and cooling.

[0003] With the development of science and technology, many farmers engaged in vegetable cultivation have chosen to grow vegetables in greenhouses. Greenhouses are a simple infrastructure for protected crop cultivation in facility agriculture. It can make full use of solar energy, have a certain heat preservation effect, and The temperature and humidity in the shed can be adjusted within a certain range through the rolling film, so that vegetables can also be cultivated under natural conditions and in cold seasons that cannot grow normally due to low temperature.

[0004] According to surveys in several provinces such as Hainan, Guangd...

Examples

Embodiment Construction

[0010] The following takes the cultivation of fruit cucumbers, cabbage, and cowpea in greenhouses as examples to illustrate the methods of preventing and controlling pests in greenhouses.

[0011] Investigate the pests on the fruit cucumber plants in the greenhouse, the important ones are whitefly and leaf miner. After harvesting, the greenhouse is fully open. Remove debris and reduce insect sources. After plowing, the drying time was 1, 3, 5, and 7 days respectively. After sowing fruit and cucumber seeds, the greenhouse was closed, and the occurrence of insect pests was investigated after emergence. During the observation period of two months, no whiteflies and leaf miners were found in the open-air sheds after 5 days and 7 days, and the final yield increased by 35% and 45% respectively compared with the open sheds. In the sheds that were opened for 1 day and 3 days and then closed, whiteflies were reduced by 30 and 90% respectively, and leaf miners were reduced by 20 and 8...

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