2024-11-15
1. If it is a pathological lesion, prevention and control must be carried out early. In the rural Guanzhong area, vegetable farmers generally choose general killing pesticides or amino acids to spray tomato foliar fertilizers. If it is serious, spray once every week, spray 2 to 3 times in a row; if the condition is general, spray once every 10 days, spray about 3 times in a row. If the vegetable farmers cannot distinguish, they can ask experienced vegetable farmers for guidance. Pathological plant management is the most important, which is directly related to the growth of tomatoes and subsequent fruit growth.
2. Pay attention to the early operation management before planting tomatoes. Deeply plow the soil, apply enough base fertilizer, pay attention to the application of multi-element micro-fertilizers, do not apply nitrogen, phosphorus and potassium fertilizers, and must apply them in proportion. This is very critical. If it is planted on a large scale, especially avoid repeated planting, which is also one of the important reasons for inducing curling disease. What are the main reasons for the curling of tomato leaves in rural areas? What are the prevention and control measures? -Photo copyright belongs to Huinong.com
3. Tomato tipping and branch pinching management When the tomato plant grows to about 40 cm, you should start branch pinching management. Pinch off all the branches growing between the main branches. The principle of early and small picking is adopted. However, for the whole plant management, tipping should pay attention to time management. For weak plants, tipping should not be done too early. For vigorous plants, tipping should be done in time. But whether it is tipping or branch pinching, do not pinch hard, and never damage the epidermis, other branches and other parts of the plant.
4. Sufficient supply of soil water and fertilizer. During the critical period of tomato growth, especially in the hot, dry and rainy summer, the plant's demand for water continues to increase, so it is necessary to water the plants in time. After watering, you can cover the roots of the plants with wheat straw, wheat bran, or rice straw. This can effectively prevent the soil moisture from evaporating too quickly, and avoid excessive ground temperature that affects plant growth, thereby providing good external conditions for the normal physiological activities of the roots. You can spray 6000 times diluted Bihu Neng pesticide to alleviate leaf curl symptoms, but there must still be sufficient supply of water and fertilizer.
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