Ginger Common Pest Control
2018-06-12 18:03:27
1. Ginger soft foot disease: commonly known as ginger hair cramps, the disease during the period from the small full to great heat for the prosperous period. At the early stage of disease, the stems and leaves withered, the fresh yellow color changed, the leaves were atrophied, and the roots were water-stained. About 3cm ginger stem near the roots of the cross-section was light black, soon milky mucus outflow. If you do not pull out, in a few days, the wilt leaves will rot and stink and spread to other plants. Ginger foot disease is a bacterial disease that spreads mainly through soil, water, and ginger seeds. Therefore, preventive work must be done. Methods are: 1 selection of pathogen-free soil or planted rice plots for planting: 2 to disease-free zone selection: 3 to prevent ginger root water and stains; 4 once the disease should be timely removal of the diseased plants, and use 5% lime Water or 50kg of potassium permanganate is used to sterilize the soil with 50kg of water. 2. Ginger rot disease: The disease is caused by the skin rot to the center (ginger disease is from the heart to the skin), water or applied without compost manure, easy to cause the disease. The main prevention method is: Do not let ginger land water; apply the farmyard fertilizer to be familiar. If you have an episode, you can administer Bordeaux's solution or disinfect the soil according to the anti-feet method. 3. Insect pests; mainly ginger borer, farmers call it boredom. The larvae feed on the ginger seedlings causing their leaves to yellow, and in severe cases can cause the death of the whole plant. Control measures: Fight extinction of adult moth caterpillars, kill larvae, or kill larvae in the first and second instar larvae. The larvae can be seen from the beginning of May, and the period of July and August when the ginger seedlings are in full bloom is the peak period. The prevention and treatment are better when the larvae are used in the low-intensity period. During the larval period, the pyrethroid pesticide 50g can be sprayed with 300-400kg of water, or 400g of water can be quickly sprayed with 400kg of water. In the evening, it is sprayed on the leaves of the ginger seedlings. When the liquid flows to the stem, it can poison the larvae of the ginger larvae. kill. Another pest is called Ginger Mania, which is a kind of fly. It can be used 5000 times of dichlorvos in the pest area to kill larvae and prevent its spread to harm other plants. China Agricultural Network Editor
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