The latest causes and preventive measures of flower and fruit drop of Bailan melon

Bailan melon is a kind of melon, because sweet and tender melon is deeply loved by consumers, and there are many growers. In order to improve economic benefits, farmers often adopt the methods of raising seedlings in greenhouse and double-film cultivation, but the sitting rate of melon in this method is low, and the phenomenon of falling flowers and fruits is serious. So how to prevent Bailan melon from falling flowers and fruits? Let's take a look.

First, the reasons for falling flowers and fruits

The main reasons for the flower and fruit drop of Bailan melon are as follows: first, the application of basic fertilizer has been dried, especially the partial application of available nitrogen fertilizer causes the branches and leaves to grow and inhibit the differentiation of flower buds; second, with the long low temperature of the environment, it hinders the development of reproductive organs. Third, the humidity is high, and the soil moisture is saturated or too wet, which seriously affects the transpiration of leaves and the absorption of roots, resulting in difficult pollen emission or pollen rupture, affecting the fertilization rate; fourth, lack of light, so that the accumulation of nutrients watering, sugar content, poor quality.

II. Preventive measures

1. Improve the environment

First of all, the stagnant water in the soil should be eliminated in time to promote the germination of new roots, and then the plastic film should be opened on a sunny day to keep warm and replenish light to promote plant growth. at the same time, attention should be paid to opening the film on both sides of the greenhouse or at the base of the greenhouse on rainy days, so as to supplement scattered light on rainy days.

2. regulate the growth of stem vines

For the overgrown piglets, paclobutrazol can be sprayed, generally with 40 grams of paclobutrazol per mu with 50 kg of water, or with 10 ml of zhuangsu per mu and 40ml of water with 50 kg of water, which can obviously inhibit the stem growth of the plant, concentrate nutrients on the expansion of the fruit and improve the yield and quality.

3. Induced sitting melon

The female flower can be treated with Zigualing or Ziguoling, so that the melon setting rate can reach more than 90%. In the first afternoon or the opening day of the female flower, the melon fetus is sprayed with 200-400 times liquid of Zigualing, or the fruit stalk is smeared with 10 Mel 20 times solution, which has a good effect and can significantly increase the melon setting rate.

4. Artificial assisted pollination

Bailan melon is a monoecious flower, and a female flower is a bisexual flower. In order to increase the melon setting rate and reduce the phenomenon of flower and fruit drop, artificial pollination can be adopted. After picking, the pollen of the male flower is smeared on the stigma of the female flower. Generally, each male flower can pollinate more than 2-3 female flowers, or after the pollen is collected, the pollen is dipped in a brush or cotton swab and smeared on the stigma of the female flower. The pollination time is 7-9 am or 4-6 pm on a sunny day, avoiding the period of high temperature and strong light as far as possible.

The above is the introduction of the causes and preventive measures of Bailan melon falling flowers and fruits. I hope it can help you. If you want to know more about it, please pay attention to us.