Causes of rotten fruit of apricot and its control measures

Apricot is one of the main cultivated fruit trees in the north, and many of us may not have eaten it, but almonds must have been eaten. Rotten fruit often occurs in the process of apricot planting, which has a great impact on the yield of apricot trees. So what is the reason for the rotten fruit of apricot trees? How to prevent and cure it? Come and have a look with the editor.

1. The temperature in the shed is too high

In the young fruit stage of apricot trees, if the temperature in the greenhouse exceeds 28 degrees, then the evaporation in the greenhouse will be relatively large, and water droplets will be formed in the shed. When these water droplets fall on the surface of the young fruit, then the fruit rot may occur.

Prevention and control methods: to improve the lighting conditions of the greenhouse, control the temperature and humidity, if the use of the old greenhouse cultivation, the dust on the surface of the greenhouse film should be removed in time to increase the transmittance of the greenhouse film. In cloudy or rainy and snowy days, should be in the shed according to fluorescent lamps, add light, increase the temperature, in sunny days to pay attention to ventilation, control the temperature of the shed at about 28 degrees.

2. Bacterial infection

Many fruit growers believe that in greenhouse cultivation, without wind, rain and insects to spread germs, plants will not have diseases, so they are more careless in the process of preventing and controlling diseases and insect pests, do not spray or spray fungicides less, resulting in serious apricot diseases and insect pests, resulting in rotten fruit.

Prevention and control measures: in greenhouse cultivation, because ventilation and permeability is not as good as open field, we should pay more attention to the prevention and control of diseases and insect pests, and timely spray protection according to different growth periods of apricot trees. Stone-sulfur mixture can be sprayed several times in the budding period, methyl topiramate can be sprayed after flowering, carbendazim can be sprayed in the fruit expansion period, mancozeb can be sprayed in the new shoot growth period, which can effectively control the occurrence of diseases.

3. There are attachments on the surface of the fruit

Greenhouse cultivation of poor ventilation, high humidity, in apricot flowers, many petals will not wither, but directly attached to the surface of the fruit. With the growth and expansion of the fruit, the petals will encounter moisture and absorb water, and the parts in contact with the petals will be in a mildew and wet state for a long time, making the fruit rot.

Prevention and control measures: after Xiehua, remove the attachment on the surface of the fruit tree and keep the fruit surface clean, which can reduce the rotten fruit of apricot trees.

The above is the introduction of apricot rotten fruit causes and control measures, hope to help you, want to know more related knowledge, please pay attention to us.