Summer fruit tree management plays a crucial role in both the current year's yield and fruit quality, as well as the formation of flower buds and future productivity. Proper care during this season ensures long-term success for the orchard.
First, fruit thinning should be done systematically to maintain an optimal fruit spacing of 20–25 cm. This helps ensure that only high-quality, large fruits remain, while damaged or small ones are removed promptly. For young trees or vigorous branches, it’s acceptable to leave two fruits per cluster to promote balanced growth.
Second, pest control is essential throughout the summer. Insecticides should be applied every 10 days, especially after fruit drop, before and after wheat harvest, and during July and August. Suitable options include antibiotics like 120, Dasheng M45, mancozeb, thiophanate-methyl, carbendazim, and biofungicides such as bacteria-based agents. For insect control, products like imidacloprid, Green Kung Fu, Puke, Qi Mansu, Moth Pill, Anthrone, and Diflubenzuron No. 3 can be used. Each application should be combined with necessary nutrients like boron, calcium, iron, and phosphate to support tree health.
Third, fruit bagging is an effective method to protect fruits from pests and sun damage. High-quality paper bags are recommended for stable performance, though film bags can also be used based on market demand. Before bagging, spray the fruit thoroughly, and after bagging, check regularly inside the bags to address any issues immediately.
Fourth, proper watering and fertilization are critical during the hot summer months. Fruit trees require more water and nutrients during this time. It’s important to limit nitrogen fertilizer and increase phosphorus and potassium levels. Calcium supplementation is also vital. Fertilizers can be applied through ditches, foliar sprays, or soil injection, and the soil should be loosened regularly for better absorption.
Fifth, intercropping should be carefully planned. A narrow-forest wide-row system with 4–5 meters between rows is ideal. Under the tree line, crops like watermelon, pumpkin, melon, and sweet potato can be planted between rows, along with peanuts, soybeans, and green manure. Avoid tall or deep-rooted crops like wheat, corn, rape, alfalfa, mung beans, or strawberries, which may compete for resources. In areas with limited labor, fewer crop types can be chosen. In high-tech orchards, dwarf or dense planting methods can help boost early yields.
Lastly, summer pruning focuses on managing tree density and controlling branch length to encourage flowering and fruit development. Regular pruning ensures good air circulation and light penetration, which are essential for healthy growth and fruiting.
By following these practices, growers can significantly improve the health, productivity, and profitability of their fruit orchards.
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