Strengthen the comprehensive management of orchards To strengthen the comprehensive management of orchards, early application of basal fertilizer, and thinning of branches in the autumn can all increase the nutrient accumulation of the tree, prepare sufficient nutrients for flowering and setting fruits in the coming year, maintain a strong and stable tree growth potential, and improve the body's Nutritional level. This is the fundamental measure to increase the rate of fruit set.
Reasonable configuration of cross-pollination plants such as apple trees of pollinated trees, most of the varieties of white flowers are not true or the seed setting rate is very low, pollen pollination of different varieties is required to complete the fruiting process. The pollinated trees and the main cultivars shall not exceed 30 meters in size. When constructing a garden, suitable combinations of cultivars must be selected. Two or more pollination cultivars must be allocated to account for about 20% of the total plant trees to ensure a high fruit setting rate.
Artificial pollination, artificial flowering during the flowering period is the most reliable method. Practice has proved that artificial pollination can effectively increase fruit setting rate even under pollination tree conditions. Therefore, it should be widely promoted in production. In addition, bees can also be placed at flowering time, a box of Chinese honey bees can pollinate 5 to 10 acres of apples. In recent years, some fruit trees have been introduced into the fruiting area to release at the flowering stage and the pollination effect is very good. The release of 50 to 100 heads per acre orchard can meet pollination requirements.
Early sparse flowering, retention of the center flower results from the flower bud separation period began sparsely flowering, strive to clear the flowers before the opening of the flower, in order to save nutrients, the supply of young fruit development. The center has a high rate of fruit set and can make full use of it.
During flowering, girdling, girdling, girdling or circumcision of the branches from the initial flowering stage to the culturing of flowers, and concentrating the tree nutrients for flowering and fruit setting can significantly increase the fruit setting rate, the earlier the effect is better.
Fruits and branches of the Taiwan branch took care of the flowers and then took toppings on the long fruit branches to control the consumption of nutrients and to prevent the young fruits from competing for the nutrients. In particular, it is more necessary for fruit varieties such as Xiushui, Zhuguang, and Jinjin to flourish.
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