Contact us
Investment Hotline

Contact: Wang total


Contact number:13330846355

Contact address:

Sichuan Province, Jianyang City,

Dong Xi Zhen Kui Xing Lu No. 36

current location:home page » Greenhouse

Flower greenhouse

Release date:(2016-12-24)   Click times:515

In recent years, the rapid development of greenhouse and flowers, but the greenhouse whitefly occurrence and damage has aggravated the trend, its wide host range, in closed greenhouse environment, often occurred. The larvae are in the back of the leaves, and the leaves suck the juice of leaves, so that the leaves grow and become yellow. The adults and larvae can secrete honeydew, often causing sooty occurrence, the effect on Photosynthesis and respiration of leaves, leaf wilting caused the plants to die.
Prevention and cure method
Biological control. The conditions in the greenhouse whitefly occurred when the amount of 0.5 to 1 per plant, the release of their enemies were lacewings, lacewing parasitic whitefly pupae into black, collected, sprinkle in the plant row. Also can be in 8 to 10 days after emergence chrysopids, consciously releasing in the greenhouse, a total of 3 times, better control of greenhouse whitefly effect.
Two is the physical control.
1 in the greenhouse vents with nylon yarn seal, to prevent whitefly fly into. The greenhouse or shed in planting flowers before, must be cleaned all the twigs, leaves, will be buried or burned.

Last one:Flower greenhouse Next article:No information