Anti-bird net is a kind of polyethylene, high-density polyethylene, polypropylene and nylon which are added with anti-aging and anti-ultraviolet chemical additives. It is a kind of plastic woven mesh and anti bird net has the advantages of high tensile strength, heat resistance, water resistance, corrosion resistance, aging resistance, non-toxic and tasteless, and easy disposal of waste. It can kill common pests such as flies and mosquitoes. The conventional use of the collection is light, and the correct storage life can reach 3-5 years.
Bird-proof net cover cultivation is a new environmentally-friendly agricultural technology that increases production and practicality. It builds artificial isolation barriers on the scaffolding, rejects birds outside the net, cuts off bird breeding routes, and effectively controls various types of birds. Spread and prevent the spread of viral diseases. And it has the functions of light transmission and moderate shading to create favorable conditions for crop growth.
The bird-proof net also has the function of resisting natural disasters such as storm erosion and hail attack.
Beyond garden, the anti bird net also be used in airport, building, residential houses, etc.
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Pathogens: Uromycesaloes (Cooke) Magnus, called Aloe vera.
Infection route: The pathogen mainly stays on the surface of the soil with winter spores as the residue of the diseased plant.
1 After wintering, the spores germinate in a suitable environment to produce basidiospores, spread to the leaves by air flow, and invade and damage the germ tubes. Sporulators and rust spores are formed successively in the affected parts.
2 After the mature rust spores, they spread by airflow, then invaded after germination, and then produced summer spores and summer spores in the host's damaged area.
3 After the summer spores matured, they were again spread by air flow and repeatedly infected. Until the late growth period or when the weather turns cold, teliospore and teliospores form in the diseased part and then winter.
Occurrence conditions: Occurrence of rust is closely related to climatic conditions. The average daily temperature is 32-27 degrees, and the weather is rainy, with high humidity, and rust may occur seriously. Control methods: Clear the field sickness and concentrate burn.
Symptoms: yellow-brown lesions on fleshy leaves. The summer spores grow under the epidermis and are red-brown and powdery after exposure. The teliospore was born under the epidermis and was dark brown after breaking.