Tomato hollow fruit prevention and treatment method
Tomato cavity fruit is a common physiological disease in tomato growth process, which is generally characterized by a hollow hole between the peel and pulp of tomato fruit. Although the effect of tomato cavity fruit on its yield is not great, it will seriously affect the commerciality of tomato and reduce its economic benefits, which cannot be ignored in production. Today, Huinong.com has a detailed introduction to the reasons and preventive measures for the formation of tomato cavity fruit. First, there are three types of common tomato hollow fruit: 1. The placenta is poorly developed, the pericarp and ventricle are very thin, the seeds are not visible, and the fruit forms a cavity; 2. The growth of the skin is fast, and the development of the placenta cannot keep up, resulting in a cavity; 3. The pericarp, ventricular septum grows too fast and the ventricle is small, and the inflorescences with high nodes are easy to see. Second, the reasons for the occurrence of tomato cavity fruit: 1. Cultivation season. The occurrence of tomato cavity fruit was greatly affected by the cultivation season. The tomato fruiting rate of the same variety was significantly increased in wintering and early spring cultivation in the solar greenhouse. Conversely, the incidence of cavity fruit in autumn and winter alfalfa and late spring alfalfa was low. 2. Varieties with a small number of ventricles are prone to occur. Generally, the number of ventricular chambers in early-maturing varieties is small, and the number of ventricles in large-fruit tomato varieties in mid-late maturity is high. 3. Poor fertilization, when the pollen is formed, it encounters a high temperature of 35 °C and lasts for a long time. Pollination and fertilization are poor during flowering. During fruit development, the flesh cells divide and grow, the seed matures faster, and the fruit growth is incompatible with the fruit. . 4. Improper time of spraying hormones, spraying hormones on flower buds, pedicels and flower buds before flowering, resulting in faster fruit development than normal pollination, but more development of the placenta, resulting in voids in the ovary; 5. Insufficient illumination, reduced photosynthetic products, insufficient nutrient supply for fruit growth, resulting in uncoordinated growth and formation of hollow fruit. 6. Improper management measures. After the fruit setting, the amount of watering and the amount of topdressing are not properly grasped. In the late growth stage of tomato and the result is large, the lack of timely topdressing leads to insufficient nutrients to form a hollow fruit; in addition, excessive application of nitrogen fertilizer is easy to form a hollow fruit. Third, the preventive measures of tomato cavity fruit: 1. Choose the right variety. According to the different cornices of the solar greenhouse and the estimated time to market, the varieties of anti-cavitation fruit are selected. 2. Use the stained potion properly. The use of plant growth hormone in the flowering stage of tomato is particular, and the general flowering time should be selected before 11 am. When hormones are used in the summer and autumn high temperature seasons, the hormone concentration used should be reduced accordingly. 3. Management should be appropriate. In the use of fertilizers, it is necessary to add organic fertilizer, rationally mix nitrogen, phosphorus and potassium fertilizers to avoid excessive application of nitrogen fertilizer; in watering, according to soil moisture and growth cycle, determine the interval between watering and watering; try not to use small seedling age The seedlings are fixed, and the ventricle should not be premature. 4. Improve lighting and temperature conditions. The temperature during seedling and fruiting period should be appropriate, and it should be noted that the night temperature in the seedling stage should not be too high.
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