Peach tree leaf defoliation

Peach tree leaf defoliation

Peach tree leaf disease mainly damages the leaves, and it can also harm young shoots and young fruit. Usually occurs in April-May, only once a year. The fruit turns red at the onset of disease, the diseased part is swollen, the villi are shed, and the surface is smooth.
Agricultural control uses high-yield, high-quality, disease-resistant varieties. Taoyuan entered the results of the period, do a good job of soil, fertilizer, water management, reasonable pruning, improve ventilation and light conditions. Physiologically severe Taoyuan timely fertilization, irrigation, spraying "Melon fruit Zhuang Ti Ling" to enhance tree vigor and improve resistance to disease. In May and May, combined with pruning during growth period and prevention and control of the larvae of P. erythropoda, the diseased leaf was removed from the leaves and concentrated and burned, and then sprayed with “General Tree Guard” 1000 times to disinfect and inhibit the spread of germs.
Pharmacy Control Peach trees are dormant and spray 1,000 times of “General Tree Guard” to eliminate overwintering germs. Peach shoots begin to germinate in spring is a critical period for preventing peach leaf shingle disease. It should be sprayed with 1000 times of “General Tree Guard”, or 70% of thiophanate-methyl WP, 1000 times, or 50% carbendazim suspension. 1000 times liquid. From March to June, after the peach leaves were spread, thiophanate-methyl, carbendazim, and other drugs were used for prevention before high-temperature weather arrived. When the diameter of the early leaf shrinkage was about 0.2 cm, the fungicide was sprayed, which had a good effect of controlling the disease.

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