What is the function of orange bagging?

The research and application of fruit bagging originated in Japan, and its original intention was to control the harm of fruit borers, and then it gradually developed into an important technical measure to produce high-quality and high-grade green fruits. The research and application of fruit bagging technology in China started late, and sporadic bagging experiments began in the mid-1980s. China Taiwan Province Province applied southern fruit bagging earlier. With China's entry into the World Trade Organization and the continuous improvement of people's living standards, people's demands for fruit quality are increasing day by day. In addition, in the face of the market impact of foreign high-quality fruits, the majority of fruit farmers have realized that improving fruit quality is the only way for the future development of fruit planting. Therefore, the fruit bagging industry in China has developed rapidly in recent years. In addition to bagging technology being widely used in the production of apples, pears, peaches and other bulk fruits produced in the north, fruits such as loquat, carambola, guava, banana, mango and wampee produced in the south are also widely promoted and applied, with remarkable benefits. The research and application of fruit bagging originated in Japan, and its original intention was to control the harm of fruit borers, and then it gradually developed into an important technical measure to produce high-quality and high-grade green fruits. The research and application of fruit bagging technology in China started late, and sporadic bagging experiments began in the mid-1980s. China Taiwan Province Province applied southern fruit bagging earlier. Bagging technology, as an important technical measure to produce high-quality and high-grade pollution-free or green fruits and control pests and diseases, has the following functions in citrus production.

1. Improve the appearance quality of fruits.

Bagging can reduce the damage of sunlight, rain, phytotoxicity, pests and diseases and machinery to the fruit surface, and keep the fruit surface smooth and beautiful, so it can significantly improve the appearance quality and commodity rate of the fruit.

2. Save the cost of pest control.

Compared with other southern fruit trees, citrus fruit has a long growth cycle and many kinds of diseases and insect pests, such as citrus Huanglongbing, anthracnose, canker, citrus red spider, scale insect, fruit sucking moth and so on. , so the number of sprays is more. After bagging the fruit, it can not only protect the fruit from pests and diseases, but also reduce the dosage and frequency of medication, thus saving the cost of pest control.

3. Reduce pesticide residues

Bagging can reduce the direct contact between citrus fruits and pesticides, which not only reduces the number and dosage of pesticides used every year, but also reduces pesticide residues in fruits, thus achieving the goal of safe production.

4. Improve economic benefits

Bagging citrus can improve the commodity rate and appearance quality of fruit. Compared with the fruit without bagging, it can not only significantly increase the unit price, but also increase the yield of high-quality fruit, so the economic and social benefits of bagging citrus fruit are remarkable.

In recent years, the bagging technology of apple, pear, peach and other tree species in China is becoming more and more mature, but its application in citrus is still relatively small, and fruit bagging is only used for pomelo and lemon cultivation. China is rich in citrus germplasm resources and there are many varieties, so it is necessary to choose whether bagging is needed according to the characteristics and sales targets of each variety. In production, grapefruit, navel orange, summer orange, high-quality mixed orange and other varieties with large fruits, as well as Wenzhou tangerine, lemon, tribute orange and other varieties with medium fruits but high quality and high price are worthy of selective bagging. In addition, bagging can also be considered for special purposes, such as producing green or organic fruits and delaying the harvest of frost-proof fruits in winter. However, most citrus varieties and orchards generally do not bag because of the high cost of fruit bagging.