Citrus physiological fruiting has ended, promoting the normal development of young fruit and improving the quality of fruit is the focus of citrus management in the next stage. In view of the large disparity in the amount of citrus fruits on the citrus and the unbalanced management techniques of citrus farmers, the author proposes the following measures to improve citrus fruit quality management measures for orange farmers to choose:
1 garden pier covering. The ground is covered with weeds or rice straw with a thickness of 3-5 cm to ensure that the soil is moist and promote the normal development of young fruit.
2 Drought and flood control. In case of high temperature and arid climate, the soil is deficient in water, and the leaves of orange trees should be timely flooded and drought-resistant. In the typhoon season, the orange groves need to be treated with no-tillage to improve the tolerance of orange trees. By the time the orange groves are drained, they can be pumped and drained to protect the orange trees from damage.
3 pull branches. According to the growth angle of the orange shoots, the upright branches increase the angle downwards, and the drooping branches decrease the angle upwards. By adjusting the angle of the orange tree branches, the ventilation and light transmission conditions of the crown can be improved, the tree vigor can be balanced, and the quality of the fruit can be improved.
4 thinning fruit. Too much orange tree results in appropriate fruit thinning, especially the orange trees with weak tree vigor and fruit balls and fruit bunches must have a good amount of fruit to prevent excessive results and reduce fruit quality. The fruit thinning standard should be based on the tree vigor and the size of the fruit produced. The tree vigor should be less shrub-strength, the tree vigor should be more fruit thinning, and fruit production should be more fruit thinning, and fruit production should be less fruit thinning. According to market demand, the diameter of the fruit of high-quality citrus should be mastered in: Precocious Wenzhou Tanggan 4.5-6cm, Middle-late-sensed Wenzhou Mandarin Orange 5.5-6.5cm, Mandarin Orange 6-7.5cm, Local 4-5cm earlier.
5 Cut off dead branches. Dead branches are killers that cause orange fruit trauma. In particular, when orange trees are damaged by typhoons, dead branches can easily scratch the skin, causing a significant drop in the fruit rate of orange fruit.
6 control water. Citrus to the coloring period, orange soil should be moderately dry, orange juice should stop the water supply, flat ground orangery should not raise water in the ditch.
7 finish harvesting. The freshly harvested citrus should be harvested when the coloring area of ​​the pericarp reaches 100%, and harvested when the coloring area of ​​the preserved citrus pericarp is about 80%. One tree of orange fruit is harvested in 2-3 times. It is not appropriate to choose Huang Liuqing for too many times.
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