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Peach Tree Summer Management Requirements
In the summer, it's crucial to implement timely pest prevention and treatment to ensure the healthy growth of fruit trees, especially during the rainy season when temperature and humidity fluctuate, making peach trees more susceptible to various diseases. Building on previous preventive measures, continue to focus on disease control. Before bagging the peaches, it is recommended to conduct at least two rounds of disease prevention. Prior to bagging, target pests like aphids (Myzus persicae), Ailanthus, and scale insects. After bagging, focus on controlling thorn moths, red spiders, and pear nets.
Summer pruning plays a vital role in maintaining balanced leaf and branch growth. As peach trees grow and bear fruit, proper summer pruning helps regulate nutrient distribution. Young trees should be pruned 3–4 times during the summer, while mature trees require 2–3 sessions. Pruning not only resolves conflicts between growth and fruiting but also improves air circulation and light penetration. This promotes even branch development, enhances leaf photosynthesis, and ensures sufficient nutrients for fruit expansion. The method involves pruning based on tree age and growth potential, using techniques such as thinning strong branches and shortening weak ones. Avoid overlapping or crossing branches, and focus on strengthening key branches through careful cutting and shaping to maintain balance.
For optimal production, it’s essential to manage fruit quantity and quality according to market demand. Aim for high-quality, affordable peaches. Typically, young trees should have 100–150 fruits each, with about 4,000–6,000 fruits per 667 square meters. Adult trees should carry 200–250 fruits per tree, resulting in 8,000–10,000 fruits per 667 square meters. For fruit retention, leave two long fruiting branches, one fruit on the middle branch, and one on the short branch. On longer fruiting branches, retain the middle fruit, while on shorter ones, keep the tip fruit.
A well-maintained drainage and irrigation system is critical for fruit quality. Efficient ditches ensure proper drainage and timely watering during dry periods, which is essential for fruit swelling. Mid to late-season peach varieties are particularly vulnerable to heat and drought during fruit enlargement. Therefore, water must be available in mid to late July to support fruit development. Lack of water can severely impact both yield and quality. To enhance drought resistance, consider using water-passing ditches or covering the soil with mulch such as weeds, firewood, or straw.
Applying large-scale fertilizers is a fundamental practice for achieving sustained high yields. After fruit bagging, typically in mid-June, apply compound fertilizer rich in potassium sulfate or vegetable cake along with phosphate fertilizer. Dig shallow semi-circular trenches around the tree canopy and evenly spread 0.3–0.5 kg of fertilizer per tree. After harvest, apply post-harvest fertilizer by mixing urea (0.15–0.25 kg) with water and applying it in shallow ditches. These practices help restore soil fertility and prepare the trees for the next growing season.
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