Causes and Control methods of Cucumber Stem cracking

The phenomenon of stem cracking will occur in the process of cucumber planting, which will not only give the pathogen a chance, but also affect the normal transport function of cucumber, and when serious, it will lead to plant drying and death, causing great harm. Cucumber stem cracking is actually a physiological disease, so what are the causes? Let's take a look at the detailed introduction.

1. High temperature

In summer, the average temperature is high, especially at night, and the temperature difference between day and night is small, which causes a lot of vegetables to grow very fast, but after thin and long jointing, coupled with insufficient water supply, cucumber stems will crack.

Prevention and control methods: in the stage of high temperature, temperature control measures must be taken to enlarge the temperature difference between day and night as much as possible. when the temperature is too high during the day, the temperature in the shed can be reduced by shading and spraying water mist, and ventilation can be strengthened at night to reduce the temperature in the shed as soon as possible. narrow the temperature difference and cultivate strong seedlings.

2. The ground temperature is too high

In addition to the high temperature climate, the ground temperature is also one of the causes of cucumber stem cracking, too high ground temperature will affect the development of the root system, seriously will hinder the root system to absorb water and nutrients, lack of water will lead to stem tissue shrinkage, resulting in cracking.

Prevention and control methods: also in high temperature to do a good job of cooling measures, can build a sunshade net or spray cooling agent, properly adjust the ground temperature, so that the root growth and heavy rain in a suitable environment.

3. Boron deficiency

The cracking of cucumber stem may also be related to boron deficiency. Generally speaking, boron deficiency can lead to poor flower bud differentiation, wrinkling, twisting, brittleness and breaking of leaves, brittleness, thickening, hardening and deformity of flowers and fruits. Therefore, when boron deficiency is serious, the stem will crack, accompanied by cork and water-immersed necrotic spots and so on.

Control methods: 0.5-1 kg of borax per mu can be mixed with base fertilizer or flushed with water, or foliar fertilizer can be sprayed during the growing period, in addition, the application of nitrogen and potassium fertilizer should be controlled so as not to affect the absorption of boron by the root system.

The above is the cucumber stem cracking causes and prevention methods, hope to help you, want to know more related knowledge, please pay attention to us.