Flower and fruit thinning is not only related to the quality of the fruit in that year, but also to the output of the fruit tree in the following year. It has an important role of one and two years, so you must not be merciless when operating.
Thinning buds
Sparse buds. Start when the flower buds are white, and according to the tree (branch) vigor, remove some poor-quality flower buds that are too dense and accumulate poorly to effectively save nutrients.
Sparse order. At the beginning of the budding period of the inflorescence, leave an inflorescence at a distance of 20-25 cm, and leave the high-quality medium and short-branched inflorescences. Depending on the situation, the long-branched inflorescences can also be left, and the rest of the inflorescences should be removed.
Thin flowers. After the flowers bloom, keep the center flower (the pear tree leaves the side flower), and remove the rest, except for the flourishing tree. In the above operation process, according to the different tree vigor, 10%~15% more flowers should be reserved, beware of falling flowers, and increase the insurance factor.
Thinning fruit
Eliminate objects. After declining flowers, begin to thin out small fruits, worm fruits, deformed fruits, lateral fruits and oblique fruits. In addition to the central fruit, the varieties with low fruit setting rate retain one more side fruit. After 35 days, select the best to remove the inferior according to the development of the young fruit. The varieties with good fruit setting rate should keep as many central fruit as possible.
Choose to stay objects. Choose young fruits with flat shoulders, moderate stalks, deep stalks, flat tops, and closed sepals. Try to choose to leave hanging fruits to increase the commodity rate of the fruit and increase the benefit.
Fine set fruit
Distance method. The young fruits of large-fruit varieties should be kept within 20-25 cm, the young fruits of medium-sized fruits should be kept within 15-20 cm, and the young fruits of small-fruit varieties should be kept at an interval of about 15 cm.
Fruit Taiwan deputy shoot method. Apples and pears have a large fruit with secondary shoots, and all the secondary shoots in the fruitless platform are eliminated. In this way, the fruit grower can reasonably determine the load quantity according to the presence or absence of the secondary shoots, promote the balanced growth of the tree, and achieve stable results, effectively overcoming the phenomenon of "big and small years".
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