What are the causes of navel orange fruit drop and what preventive measures are there

Navel oranges occupy a large part of the fruit [market] in our country; their price is not high but their taste is excellent, so market demand is still quite large. However, during the mature harvest period of navel oranges, many problems are still encountered, such as fruit drop. So what causes navel orange fruit drop? Let's take a look together with the editor.

I. Causes of navel orange fruit drop

1. Fruit cracking

Fruit drop caused by fruit cracking is due to the navel orange tree's nutrition being unable to keep up and its immunity being reduced. Fruit cracking can be solved through fertilization, watering, and light. This is generally caused by improper management by fruit farmers, and many fruit farmers often encounter it during production.

2. Sunscald

Fruit drop caused by sunscald generally occurs in summer. In summer, the light is very intense, and stimulation by light causes the fruit to drop. Therefore, in summer, appropriate shading treatment is needed to reduce the area of sunscald as much as possible.

3. Pests and diseases

Fruit drop caused by pests and diseases is a common occurrence, because improper management leads to fruit trees being infested by pests and diseases, and over time the branches and leaves of the fruit trees wither, and fruit drop is a common phenomenon. In summer or during the picking period, pests and diseases can cause fruit drop, so fruit farmers should prepare pesticides in advance to prevent pests and diseases.

II. Preventive measures

1. Rational fertilization

Rational fertilization can improve the immunity of fruit trees and enhance their disease resistance. The organic fertilizers currently on the market all contain nutrients. Regular fertilization of fruit trees can not only promote their growth and development, but also play a role in keeping them warm.

2. Improving the soil

The soil of navel orange fruit trees needs to be regularly turned over and loosened. The organic matter in the soil can only be absorbed by navel orange fruit trees through loosening. In addition, the method of earthing up can also be used to promote the roots' absorption of nutrients.

3. Preventing sunscald

After the fruit trees set fruit, bagging can be carried out. This can not only reduce the infestation of pests and diseases, but also effectively prevent sunscald. For the pesticides sprayed to control pests and diseases, bagging can also provide protection and will not cause pesticide residues on the fruit trees, so it can gain consumers' trust.

4. Spraying pesticides

Pesticides must be used to prevent and control pests and diseases. The number of sprays can be reduced, but they cannot be completely omitted. They can effectively reduce pest and disease infection. When pests and diseases are well controlled, navel orange fruit drop will naturally be reduced.

The above is an introduction to the causes of navel orange fruit drop and preventive measures. We hope it can help you. If you want to learn more related knowledge, please stay tuned to us.