Ripe apricot fruit earlier, from harvest to dormancy there is a longer period of time. This period is an important stage in the restoration of tree vigor and the accumulation of tree nutrients. Scientific management during this period can reduce the occurrence of pests and diseases, promote the reasonable growth of trees, promote the further differentiation of flower buds, and increase the number and quality of flower buds, laying a foundation for the next year's high yield. The specific management measures for apricot tree harvesting are summarized below:
First, pruning
1. After the apricot tree is harvested, the tree is still growing, so it is necessary to control the vegetative growth, ease the tree potential, and improve the lighting conditions inside the tree. Open branches on Wangzhi Branches to ease tree vigor and promote flowering; double picking of new shoots to promote branching and culturing sticks. The result is significantly weaker and drooping. For the leggy branches that grow within the canopy, there must be measures such as topping and twisting the growth space to control their vegetative growth; and for those who have no growth space, they must be promptly removed. At the same time, the dry and dead branches, branches and branches, branches and branches, cross branches, overlapping branches, and thin and weak branches in the canopy should be cut off to reduce the nutrient consumption of the tree and improve the ventilation and light transmission conditions of the trees in order to facilitate the formation of high-quality flower buds.
2. For the growth of apricot apricot, paclobutrazol (PP333) or PBO can be sprayed to control the tree vigor to facilitate the formation of flower buds.
Second, soil fertilizer management
1. The apricot fruit should be combined with weeding after harvesting, and the whole garden should be cultivated with a cultivator, usually with a cultivator depth of about 10 cm. Before deciduous, the basal fertilizer is combined with deep ploughing, and the depth is 30-40 cm.
2. Fertilizer should be fertilized early after harvest, especially for trees with weaker vigor and more results in the current year. Fertilizer should be applied in time to compensate for nutrient consumption in the tree. Immediately after fruit picking, apricot trees are given a quick-release fertilizer, and each grown-up apricot tree is given 0.5 kg of urea and then watered. Combine spraying with foliar spray fertilizer and spray 0.3% potassium dihydrogen phosphate and 0.2% urea to increase nutrient accumulation in the tree and increase the number and quality of flower buds. From late August to early October, Shiji Fei, a high-quality farmyard fertilizer, mixed a small amount of phosphorus and potassium fertilizers. Generally 5 to 6 years old, the initial result tree each farmer fertilizer 30 to 50 kilograms, superphosphate 0.3 to 0.5 kilograms; full fruit tree per plant fertilizer 70 to 100 kilograms, superphosphate 0.5 to 1.0 kilograms, after application Water immediately.
3. The first time after the harvest of apricot fruit should be filled with water for the first time so that the soil moisture is most conducive to the growth and development of apricot trees. This watering can ensure the normal differentiation of flower buds and the growth, aging and maturation of shoots. If it is rainy this time, do not water it. At the same time, it should also pay attention to drainage, to prevent apricot trees from feeling sick, affecting the growth of the tree. Pouring frozen water, pouring water once before freezing in a place where conditions permit, to ensure safe apricot tree wintering.
Third, pests and diseases prevention Apricot trees are often victims of pests and diseases, should be based on the actual situation, timely spraying control, to protect the leaves, increase tree nutrients. Can be used to control 20% of the speed killing 2500 times to kill aphids; with 40% aqueous solution of phosphatidylcholine 1500 times, 40% of diclofenac EC 1500 to 2000 times liquid or 1000 times solution of Schizothrax spray control spider mite. Spray 2 to 3 times 2000 to 3000 times to kill the pyrethroid, eliminate sweep to prevent the caterpillars and naval caterpillars. From August to October, M-45, thiophanate-methyl, and carbendazim liquids were sprayed every 15 days to prevent apricot disease and bacterial perforation.
First, pruning
1. After the apricot tree is harvested, the tree is still growing, so it is necessary to control the vegetative growth, ease the tree potential, and improve the lighting conditions inside the tree. Open branches on Wangzhi Branches to ease tree vigor and promote flowering; double picking of new shoots to promote branching and culturing sticks. The result is significantly weaker and drooping. For the leggy branches that grow within the canopy, there must be measures such as topping and twisting the growth space to control their vegetative growth; and for those who have no growth space, they must be promptly removed. At the same time, the dry and dead branches, branches and branches, branches and branches, cross branches, overlapping branches, and thin and weak branches in the canopy should be cut off to reduce the nutrient consumption of the tree and improve the ventilation and light transmission conditions of the trees in order to facilitate the formation of high-quality flower buds.
2. For the growth of apricot apricot, paclobutrazol (PP333) or PBO can be sprayed to control the tree vigor to facilitate the formation of flower buds.
Second, soil fertilizer management
1. The apricot fruit should be combined with weeding after harvesting, and the whole garden should be cultivated with a cultivator, usually with a cultivator depth of about 10 cm. Before deciduous, the basal fertilizer is combined with deep ploughing, and the depth is 30-40 cm.
2. Fertilizer should be fertilized early after harvest, especially for trees with weaker vigor and more results in the current year. Fertilizer should be applied in time to compensate for nutrient consumption in the tree. Immediately after fruit picking, apricot trees are given a quick-release fertilizer, and each grown-up apricot tree is given 0.5 kg of urea and then watered. Combine spraying with foliar spray fertilizer and spray 0.3% potassium dihydrogen phosphate and 0.2% urea to increase nutrient accumulation in the tree and increase the number and quality of flower buds. From late August to early October, Shiji Fei, a high-quality farmyard fertilizer, mixed a small amount of phosphorus and potassium fertilizers. Generally 5 to 6 years old, the initial result tree each farmer fertilizer 30 to 50 kilograms, superphosphate 0.3 to 0.5 kilograms; full fruit tree per plant fertilizer 70 to 100 kilograms, superphosphate 0.5 to 1.0 kilograms, after application Water immediately.
3. The first time after the harvest of apricot fruit should be filled with water for the first time so that the soil moisture is most conducive to the growth and development of apricot trees. This watering can ensure the normal differentiation of flower buds and the growth, aging and maturation of shoots. If it is rainy this time, do not water it. At the same time, it should also pay attention to drainage, to prevent apricot trees from feeling sick, affecting the growth of the tree. Pouring frozen water, pouring water once before freezing in a place where conditions permit, to ensure safe apricot tree wintering.
Third, pests and diseases prevention Apricot trees are often victims of pests and diseases, should be based on the actual situation, timely spraying control, to protect the leaves, increase tree nutrients. Can be used to control 20% of the speed killing 2500 times to kill aphids; with 40% aqueous solution of phosphatidylcholine 1500 times, 40% of diclofenac EC 1500 to 2000 times liquid or 1000 times solution of Schizothrax spray control spider mite. Spray 2 to 3 times 2000 to 3000 times to kill the pyrethroid, eliminate sweep to prevent the caterpillars and naval caterpillars. From August to October, M-45, thiophanate-methyl, and carbendazim liquids were sprayed every 15 days to prevent apricot disease and bacterial perforation.
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