The baby food, also known as miniature cabbage, is well-received by consumers in China; the viral disease of the baby food is the main disease that damages the baby food; what are the symptoms of the baby food virus disease and how to prevent it? The author will focus on the following, for reference to farmers who grow baby food.
The main symptoms
At the seedling stage, the heart leaves are transparent, chlorosis along the veins of the leaves, followed by the appearance of mosaic leaves, resulting in mottled or shriveled leaves of light green and dark green, and brown spots on the veins. Onset of the disease, the leaves crumpled into clusters, the leaves were hard and brittle, the leaves were positive, the back had brown spots and necrotic streak spots, and cracks appeared. The diseased plants were dwarfed, deformed, and non-ballooned. The infected plants were dwarfed, and the leaves were leaf-shaped, sometimes forming dense black ring spots in the leaves.
Control methods
The prevention and control of the disease is very important in the prevention of flooding at the seedling stage, and 10% imidacloprid wettable powder 1500 times liquid will be used to exterminate the parasites. In the early stage of virus disease, spray 300 times of antivirus agent 300 times or 1.5% of phytopathogenic II emulsion or 500 times of 20% virus A WP
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Shandong Shengli Bioengineering Co., Ltd , https://www.shenglipharm.com