Autumn management of longan grape

Longan autumn shoot attack period. Due to different planting areas, longan growth state is also different, the first shoot just out, according to the variety characteristics and orchard conditions, cultivate good autumn shoots. (1) Spray to protect new shoots. At present, the new shoots of longan are damaged by longan angle cheek psyllid, litchi gall mite, longan sea wheat moth, etc., spraying pesticides at the time of new shoots germination. (2) Fertilization, shoot attack and strong shoot. Longan fruit more, nutrient consumption, tree accumulation reduced, affecting the quality of the first shoot, in addition to soil fertilizer, organic fertilizer and available nitrogen fertilizer, but also in the process of shoot growth should be sprayed agricultural nucleotides or other foliar fertilizer.③ Timely drainage or sprinkling. After rain, orchard ponding, to remove in time, especially sticky orchard. Water should be showered in time during drought, and water shortage will affect the growth of new shoots in addition to delaying shoot development. (4) The orchards which shoot out in late August or early September should strengthen management, spray agricultural nucleotides +0.1%~ 0.2% nitrogen fertilizer to promote the growth of new shoots, and strive to shoot out the last autumn shoots in late October. (5) thinning branches. When the leaves of the first new shoots turn green, thinning can be carried out. The main thinning is to remove excessive new branches from the pruning mouth. Generally, 2~3 new shoots are retained after pruning, and the rest of the new shoots are thinned to the extent that the branches are not directly exposed to the sun. In some over-pruned orchards, the new shoots on the trunk should be properly retained, and the crown should have certain branches to grow in order to ensure the humidity in the air and prevent exposure.