How to transform low-yield pomegranate

Implement reasonable pruning practices to maintain an open, semi-circular shape. In summer, use branch bracing and pulling techniques to open the main branches to 60–70 degrees. For side branches, adjust their positions to improve air circulation and light penetration. During fruit expansion, prune rubbing branches and some leaves near the fruits to reduce competition for nutrients. In winter, cut back the main stems and large fruiting branches to strong buds, leaving vigorous shoots to fill space and removing any crowded branches. In the following spring, promptly remove any excess shoots that grow from previous cuts and thin out dense branches to maintain balance and health.

Focus on flower and fruit management to maximize yield and quality. During early flowering, spray a mixture of 0.3% potassium dihydrogen phosphate, 300 times diluted urea, and 0.3% borax every 10 days for 2–3 applications. At the flower bud stage, selectively remove 2–4 cm of small flowers at the base of the Wangwang branches, avoiding the removal of all flowers and buds. After fruiting, thin out weak, malformed, or pest-infested fruits. When the fruit diameter reaches about 2 cm, cover each fruit with a 25 cm x 20 cm plastic bag after applying insecticide and fungicide. Remove the bags when harvesting to prevent damage and ensure clean, high-quality produce.

Implement comprehensive pest and disease control measures. Common pomegranate pests and diseases include pomegranate leaf spot, black spot, dry rot, apple aphids, hawthorn leaf aphids, peach aphids, crape myrtle, and mulberry. During winter, clear the garden, brush off scale insects with a stiff brush, and whitewash the trunks. From May to June, avoid broad-spectrum pesticides to protect natural predators. Before bud break, spray 5° Baumé lime sulfur. After bud emergence and before the rainy season, apply 5% beta-cypermethrin EC at 2,000 times dilution to prevent leaf damage. After the rainy season, spray 2–3 times with 50% bacteriocidal agent suspension at 800 times dilution or other fungicides to control diseases. Use toxic baits to prevent stem pests like Sang Tianni.

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