Chili fruit disease is also called pepper stone disease, or pepper deformity. The early stagnation fruit was small persimmon-shaped, and the later fruit was strawberry-shaped, with a diameter of 2 cm and a length of 1.5 cm. The skin was thick and hard, bright and shiny, and the shank was long. The interior was seedless or with few seeds, no pungent taste, and the fruit was not enlarged. After the environment is suitable, the stalemate is not developed.
The stagnant fruit formation is mainly the flower bud differentiation period, which is about 35 days after sowing. The plants are affected by drought, diseases, temperature (below 13°C and 35°C or above), the pistil is short-stemmed flowers due to unbalanced nutrient supply, and pollen cannot grow normally. Dissemination, pistil can not be normal pollination and fertilization, that is, the formation of unisexual fruit, this fruit lack of growth stimulating hormone, affecting the absorption of zinc, boron, potassium and other fruit enlargement elements, so the fruit does not inflate, a long time into a rigid fruit. In addition, the plants will suffer dwarfing due to fertilizer damage, which will result in ossification due to phytotoxicity, long-term growth due to high temperature and humidity, and poor ventilation. This can result in serious flowering and fruit drop, more fruit failure, and long duration. Generally the damage is sustained for 1 time. About three days of stalemate. Above pH 8 in the soil, plant viruses interfere with the intrinsic substances (nutritional hormones, etc.) in the plant body, and they will also suffer from unnatural consequences.
1. When the winter peppers are planted, the nutrients should be placed on the ground level and below the ground level, and then cover the soil 3-5 cm high. In the flower bud differentiation period to prevent drought. At other times, the water is used to promote rooting to prevent the formation of abnormal flowers.
2. The seedlings must be seeded in 2-4 true leaves to prevent the seedlings from damaging the root system too late and affect the nutrient supply during flower bud differentiation, resulting in thin flowers and incomplete flowers.
3. When watering seedlings, use 700-1000 times liquid zinc sulfate root to increase the length and growth rate of the root system and increase the absorption and stress resistance.
4. Flower bud differentiation period and pollination and fertilization period strictly controlled at room temperature during the day at 23-30 °C, night at 18-15 °C, ground temperature 17-26 °C, soil moisture equivalent to 55% of the water holding capacity, light 1.5-3 million Lx, pH The value is 5.6-6.8.
5, select the strong winter varieties, such as Claw King, Taiyuan 22, Xiangyan No. 15, etc., before sowing, seed use potassium permanganate 1000 times soak, eliminate pathogens.
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