Picking the leaves before picking the fruits is to remove the leaves that directly obstruct the fruit surface and affect the coloring of the fruit from the beginning of fruit coloring to harvesting, and prevent the leaves from fruit sticking to cause uneven coloration on the fruit surface. Picking the leaves before picking must grasp the following four points: The first is that selecting the target dense leaves and sticking fruit leaves not only to block the fruit surface, but also to shade each other, and to remove these leaves can not only promote the color of the fruit surface, but also promote the photosynthesis of the remaining leaves. Leaflets, thin leaves and young leaves are located at the base of the fruit branches and have weak photosynthetic functions. The produced nutrients can only meet their own needs and must therefore be removed. Second, timely picking leaves in the late-maturing varieties of fruit color faster, should be picked leaves 10 to 15 days before harvest; Fuji late-maturing varieties of slower coloring, it is appropriate to pick leaves in 15 to 20 days before harvest. The third is to master the method of the specific removal of the whole leaf and cut off half of the two methods. When there are many leaves and overlap each other, the petiole should not be removed from the base so as not to damage the mother shoot buds. If the functional leaves are only partly shaded, some of the leaves that cover the fruit surface may be cut off, so that the remaining leaves continue to undergo photosynthesis. Fourthly, the greater the amount of leaf picked, the better the fruit coloring, but the greater the impact on the organic nutrient production of the tree. Therefore, the number of picking leaves must be determined according to factors such as tree nutrient level, soil fertility status, and fruit size. High Pure Baicalein,Baicalein Extract,Cas 491-67-8,Baicalein Extract Powder Shaanxi The River Pharmaceutical Co., Ltd. , https://www.dahepharma.com