Symptoms of Chunyu diseases and insect pests
The main symptoms of pests in spring feathers include yellow leaves, withered leaves, leaves zoom, and spots on the leaves. In addition, there are obvious traces of pest biting. A detect, but the prevention is more than the treatment. Try not to wait for the symptoms to occur before treatment. Therefore, you need to understand the types of pests and prevention of pests and prevention in Chunyu.
Category of Chunyu diseases and insect pests
In general, the pests of plants are divided into diseases and pests.
The common diseases of spring feathers include leaf spots and anthracnose. Relatively speaking, leaf spot disease is more common than anthracnose. Spring feather rotor leaf spots are mainly manifested as nearly circular leaf spots, brown to reddish brown, dark brown on the edges, yellow halo around the periphery. Small spots.
The common pests of spring feathers include red spiders, gramcin insects, etc. Relatively speaking, the gridworm is more common than red spiders, and the cause of red spiders is likely to be low air humidity. Essence
Spring feathers and diseases and insect pest treatment methods
Diseases of Chunyu leaf spots, anthracnose, etc. can be controlled by polysic bacteria, methyltotobadin, Daisen zinc and other wettable powder. Leaf spot disease is more common than anthracnose. Specifically, leaf spots need to be sprayed with 50%polysic bacteria 1000 times solution for prevention and treatment.
Insects of pests in Chunyu Red Spider and Sarcum Worms can be used for preventing and controlling special killing agents. Specifically, the scale insects need to use 50%oxidation to be sprayed with 1000 times liquid to prevent and control. In addition, it is necessary to increase air humidity when preventing red spiders, and the scale worm can be prevented by strengthening ventilation.
In addition, if the leaves appear yellow, withered, and coke, they need to be trimmed in time.
