Honeysuckle planting technique: what is honeysuckle powdery mildew?

What is honeysuckle powdery mildew? What harm does powdery mildew do to honeysuckle? Netizens are also asked to help introduce the harm of powdery mildew to honeysuckle: powdery mildew mainly harms leaves and sometimes stems and flowers. The disease spot on the leaf is a small white spot at first, and then expands into a white powdery spot. In the later stage, the whole leaf is covered with a layer of powdery powder, yellowing and even deciduous in severe cases; the upper part of the stem is brown, irregular, with white powder on it; the flowers are twisted and fall off seriously. Powdery mildew occurs all over the country, so it needs to be prevented in advance. The cause of powdery mildew of Flos Lonicerae: the pathogen overwintered with ascomycetes on the remnant of the disease, and the ascospores were released in the following year for primary infection, and then the disease produced conidia for re-infection. Warm, dry or shaded between plants is easy to develop. If too much nitrogen fertilizer is applied, the disease will be serious alternately between dry and wet. Treatment of honeysuckle powdery mildew: select disease-resistant varieties, pay attention to pruning, increase ventilation and light transmission. Spray 50% colloidal sulfur 100g to water 20 kg or 15% triadimefon wettable powder 2000 times at the initial stage of the disease. The common agents for the prevention and treatment of powdery mildew are 15% triadimefon wettable powder. Click to get more honeysuckle planting technology click to get more medicinal material planting technology