Why does the tomato appear to fall? Tomato, which is the tomato we often say, is an annual or perennial herb of Solanaceae. It can be used for both vegetables and fruits. However, in the process of growing tomatoes, it is easy to fall and fall, so today is small. Let's talk about the reasons and solutions for the fall of the flowers.
First, the performance of the disease
1. After the tomato plant is infected from flowering to fruit setting, it encounters rainy weather, and the temperature is too low, which leads to flower organ defects, which causes a large number of large flowers to fall, and it is not easy to take fruit, even if the disease is fruitful in the later stage.
2. Watering the tomato plants after they are infected can also cause fruit loss and fruit drop.
Second, the cause
1. The temperature is too high
a. If the temperature is too high or too low, it will lead to flower organ defects, causing the tomato plants to fall and fall.
b. When the night temperature is lower than 15 degrees higher than 22 degrees, and the daytime temperature is higher than 35 degrees, it will cause a large number of tomato plants to fall.
2. Plant growth caused by
The high temperature and humidity in summer can easily cause the growth of tomato plants, which causes the flowers to fall.
3. Boron deficiency
In the process of planting tomatoes, the lack of boron in the plants can also cause a large number of tomatoes to fall and fall.
4. Improper soil and air humidity
Excessive or too low moisture will cause falling flowers and fruit.
Third, the solution
1. Regulation of temperature and light conditions a. Flowering fruit setting period: keep the daytime temperature at 20-30 degrees and nighttime temperature in the range of 15-20 degrees.
b. When the temperature in the shed is higher than 30 degrees, ventilate in time to avoid the excessive temperature in the shed and cause the tomato to fall and fall.
c. When the temperature in the shed is lower than 15 degrees, cover the straw curtain in time for heat preservation.
2. Fertilizer management
Tomato is a crop that requires a large amount of fertilizer, especially in the flowering and fruiting period, which greatly increases the nutrient of the fertilizer. Therefore, it is necessary to carry out topdressing on the basis of applying the base fertilizer.
3. Plant adjustment
For non-self-sealing top type tomatoes, single dry or double dry pruning can be used.
4. Hormone regulation
In the process of planting tomatoes, plant growth regulators can be used to improve the hormone balance in the tomato plants in the street, which is beneficial to the tomato flower preservation and fruit preservation.
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