The latest navel orange bagging technology and method course

Bagging navel orange is a common method in navel orange production. The bagged navel orange has fine and smooth surface, consistent color and high commodity value after maturity. So when should the navel orange bagging be carried out? How to bag? Let's take a look at the detailed introduction.

1. Bagging time

Grasp bagging time, bagging effect will reach the best, generally bagging time should be carried out after the physiological fruit drop and umbilical yellow end of navel orange, then the number of fruits has stabilized, the specific time before the arrival of high temperature in July is the best. Early high temperature will affect the development of young fruit, peel may also be yellow spots; and late fruit surface network increased, high temperature and strong light will appear sunburn phenomenon, affecting the quality of fruit. Bagging time is best chosen at 9 a.m. or 4 p.m. or so abnormal, try to avoid early morning and dusk moisture heavy period, should not be bagged in rainy days or dew days.

2. Select bagging

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

3. Bagging method

When bagging, we should select fruits with regular fruit shape and strong growth for bagging. First, we should cover the fruits in the upper layer of the crown, and cover the fruits in the lower layer of the crown; first cover the inner bore fruits, and then cover the outer bore fruits. The bag mouth should be tied firmly on the fruit handle with metal wire, and the bag mouth should be downward. Try not to contact the fruit with the inner wall of the bag to avoid burns caused by sunlight. Check frequently after bagging, especially after rain, and replace the bag in time for mildew.

4. Pest control

After bagging, it is necessary to strengthen the prevention and control of diseases and insect pests, especially red spiders, scale insects, rust ticks and canker diseases, etc., which can be controlled by methyl thiophane, streptomycin, speed puji, lesben, etc. It is strictly prohibited to use copper pesticides such as acaricide, bordeaux mixture, hydroamine, omethoate, etc. to avoid flower spots on fruits.

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