Bagging Technology of navel Orange

Navel orange bagging is a commonly used means in navel orange production. After bagging, the navel orange has a delicate and smooth surface, consistent color and high commercial value. So when should navel orange bagging be carried out? How to do bagging? Let's take a look at the detailed introduction.

1. Bagging time

To master the bagging time, the bagging effect will be the best. Generally, the bagging time should be carried out after the navel orange is finished with physiological fruit drop and navel yellow. At this time, the number of fruits has been stable, and the specific time is best before the high temperature in July. Early high temperature will affect the development of young fruit, the pericarp may also be yellow spots; while too late fruit surface of the increase in reticulation, high temperature and strong light will appear sunburn phenomenon, affecting fruit quality. Bagging time is best to choose around 9: 00 a. M. or 4: 00 p. M. deformity, try to avoid the morning and dusk when the humidity is heavier, not in rainy or dewy days.

2. Choose bagging

The choice of bagging is also extremely important, to choose high-temperature, rain-resistant, moisture-resistant, can not casually find some waste paper or old newspapers instead, to go to regular manufacturers to produce special bags. Generally double-layer paper bags, the shading rate can reach more than 85%, and has excellent permeability.

3. Bagging method

Bagging should choose fruit shape Zhou Zheng, strong growth fruit for bagging, first cover the upper crown of the fruit, in the lower layer of the crown fruit; first cover the inner bore fruit, and then cover the outer bore fruit. The mouth of the bag should be tied firmly on the handle with wire, and the mouth of the bag faces down. try not to contact the fruit with the inner wall of the matching bag, so as not to burn caused by sunlight. After bagging, it should be checked frequently, especially after rain, the moldy bag should be replaced in time.

4. Pest control

After bagging, the prevention and control of diseases and insect pests should be strengthened, especially red spiders, scale insects, rust wall lice and canker, which can be controlled by methyl topiramate, streptomycin, chlorpheniramine and so on. It is forbidden to use copper pesticides such as propargite, Bordeaux liquid, water amine, omethoate and so on, so as to avoid flower spots in the fruit.

The above is the introduction of navel orange bagging technology, hope to help you, want to know more related knowledge, please follow us.