Tangshan shovel manufacturer introduces to you the control measures of cabbage pests and diseases
1. Chinese cabbage suddenly collapsed
Sudden fall disease is a common disease of various vegetables and harms the seedling stage. When the disease occurs, water-soaked lesions appear at the base of the seedling's root system. As the lesions change, they gradually shrink into a line and then fold toward the ground. If the soil moisture is high, white cotton will appear where the disease occurs.
Prevention and treatment methods: This disease mainly occurs in the hot and rainy seasons in the south, and is also prone to occur in low-temperature and high-humidity environments in the seedling stage. Before sowing, the seeds and soil should be sprayed with mycoester hydrochloride or metalaxyl after the disease occurs.
2. Chinese cabbage black rot
Black rot may occur in both seedlings and adult plants of Chinese cabbage. When seedlings sprout, water-soaked lesions appear on the leaves and the roots turn black, which means wilting and death. As adult plants grow, lesions may appear on the leaves or the veins may turn black. As the lesions spread, they turn into V-shaped yellow-brown spots and gradually spread to the entire bulb. It is brittle and cracked when dry and rots easily when humidity is high.
Tangshan shovel manufacturer recommends everyone to prevent and control diseases: the hot and humid climate environment in summer makes it easy to get sick. Additionally, continuous cropping and improper fertilization can lead to disease. Similarly, the soil and seeds must be handled well, fertilization must be scientific and reasonable, and all kinds of fertility must be balanced. In case of disease, difeconazole and thiabendazole can be sprayed for prevention and treatment.
3.White Vegetable soft rot
Soft rot of cabbage can occur in the seedling stage, rosette stage and pericardium stage, and can occur in different parts such as rhizomes, leaves and hearts. They all cause decay and death in different parts of the body.
Prevention and control methods: Excessive watering during the rainy season will cause cracks and wounds on the leaves and make it easy to get sick. Avoid continuous cropping of solanaceous and melon vegetables, and avoid planting in low-lying, sticky soil. For soil and seeds before planting, they should be uprooted and moved out of the field in time after the disease occurs, and then sprayed with thiourea and Anaplasma springs for control.
4. Pests
The main pests of Chinese cabbage are diamondback moths and aphids. They bite the leaf mesophys or suck the leaf juice, causing the leaves to wither and curl, and in severe cases, the Chinese cabbage can die.
Control methods: Weeds are commonly used to reduce the living environment of insects. Canopy technology can also be used to close the insect source at high temperatures for 3-5 days. Additionally, insecticides can be used for control.
