The reasons for the falling flowers and fruits of eggplant

First, the temperature is not suitable for the higher temperature required in the fruiting period of eggplant, the optimum temperature in the fruiting period is between 25 ℃ and 30 ℃, the temperature at night should be between 15 ℃ and 20 ℃, the temperature is lower than 15 ℃ or higher than 35 mol, the growth is slow, the flower drop is serious, and the early and summer results are less in production.

Second, the flower development of eggplant is poor, the flower shape is large, the color is dense, the style is longer or equal when flowering, which is beneficial to pollination and fertilization, the fruit setting is good, while the development is poor, the style is shorter than the anther, it is difficult to get pollination, and most of them fall out.

Third, the lack of nutrition, fertilizer and water, the plant growth is weak, nutrients are used to maintain growth, the reproductive ability is low, fruit setting is less.

Fourth, topdressing is not timely, inappropriate time, but also not conducive to fruit setting is generally shown as early topdressing, overgrown plants, resulting in flower and fruit shedding. If topdressing is not in time, the production capacity of premature senescence of plants will be reduced, which is also disadvantageous to fruit setting.

Fifth, if the improper proportion of fertilization makes the value plant grow too much or grow weakly, the proportion of plant vegetative growth and reproductive growth is out of balance, and it is difficult to set fruit.

Sixth, the photosynthetic capacity is low, the quality of flowers is poor, and it is easy to fall off; eggplant is a light-loving crop, which requires strict light time. When the light is weak, the plant growth and development slows down and the flower bud quality is poor.

Seventh, the harm of diseases and insect pests leads to the decrease of plant photosynthetic capacity, which is not conducive to the accumulation of photosynthates, but also to the formation of flowers and fruit. The main diseases and insect pests harmful to eggplant are Verticillium wilt, aphids, red spiders and so on. Zhang Xiufeng