What is the reason for the emergence of cork fruit in tomatoes? How to prevent and cure it?

Tomatoes are fruits and vegetables that people often grow. I think we must have encountered a lot of tomato diseases when we were growing. Do you know what the cork fruit of Chinese tomatoes is? If you don't know, you can follow the editor to take a look at the prevention and control methods.

In China, the more and more tomatoes are planted, and the varieties are also increasing. We can eat tomatoes almost all the year round. However, a variety of diseases gradually appear in the greenhouse or on land where tomatoes are grown for a long time. Tomato cork fruit is one of the hazards affecting the quality and yield of tomatoes.

I. symptoms of cork fruits in tomatoes

It is mainly manifested in the hardening of tomato pericarp, small fruit and poor fruit shape, brown spots and cracks on the fruit surface, and tomato cork fruit is mainly caused by boron deficiency.

2. Analysis on the causes of frequent occurrence of cork fruits in he Xihong persimmon.

1. Long-term use of chemical fertilizer leads to soil acidification and lack of boron in soil.

2. Some vegetable farmers like to treat the soil with lime when changing stubble. Excessive application of lime in the soil is easy to cause boron deficiency.

3. The lack of organic matter in soil leads to boron deficiency in plants.

(4) excessive application of potassium fertilizer led to the limitation of boron absorption by plants.

5. Under the condition of high temperature, the tomato plant grows vigorously, the mobility of boron in the plant is poor, and boron can not be distributed to the urgently needed parts in time and fully, resulting in local boron deficiency.

Third, how to prevent the occurrence of cork fruits in tomatoes

1. Rational fertilization should be applied to prevent soil acidification or alkalization. Fugen biological fertilizer or base fertilizer can be used to regulate the soil, and chitin, alginic acid and microbial agents can be applied reasonably to improve the soil.

2. Boron is deficient in soil, so organic fertilizer should be applied. It can not only make the soil fertile and promote the expansion of roots, but also enhance the absorption of boron by roots.

3. Reasonable watering. The principle of watering is to ensure the water supply of the plant and prevent the soil from being too dry or too wet so as not to affect the absorption of boron by the root system.

4. The plant was sprayed regularly to extract calcium and boron at a time of 750,750x and 1500 times to prevent boron deficiency.

Tomato corking is a common phenomenon, the vast majority are due to lack of nutrients, lack of boron, so you must pay attention to planting, otherwise it will seriously affect the quality of tomatoes.