According to the medicinal part, we called the kind that use bark to process Chinese Medicinal Herbs Bark. Bark is the outermost layers of stems and roots of woody plants. Some of them have special medicinal value, through the historical experience and modern science, now they are important in herbal medicine area. Such as Magnoliae Officinalis Cortex and ALBIZIAE CORTEX.
Chinese Medicinal Herbs Bark Chinese Medicinal Herbs Bark,Silktree Albizia Bark,Herb Mori Cortex,Magnoliae Officinalis Cortex Drotrong Chinese Herb Medicines Co.,Ltd. , https://www.drotrongherb.com
Control methods: From the initial stage of disease occurrence, use 50% of methicone wettable powder 700-800 times of liquid, 72.2% of Precedrine water 800 times of liquid, 64% of antivirus WP of wettable powder 500 times or 58% of metalaxyl Manganese zinc wettable powder 500 times, spray once every 7-10 days, even spray 3-4 times. When necessary, the above liquid can also be used to irrigate the roots, and 0.4-0.5 liters per plant. If the spray and irrigation are performed at the same time, the effect is better.
Pay attention to the control of watermelon blight during the rainy season
The disease of watermelon is also called Phytophthora disease, commonly known as "dead bug". It is a kind of soil fax fungus disease. It can occur in watermelon seedlings and adult plants, especially in the late growth period and high temperature and rainy conditions of watermelons. The onset is rapid and severe. When the rainy season comes early, when the rainfall is long and the rainfall is heavy, the onset is early, the condition is heavy, and the loss is large. The peak incidence in the field is often immediately after the peak rainfall. Leaf disease, resulting in dark green water spots round or irregular shaped lesions, rotten when the humidity is high or burn like boiling water, dry spots light brown, easy to break. The basal part of the vine spreads, and a spindle-shaped water-immersed dark green spot appears, enveloping the stem and rot, and all the diseased parts are dead. Onset of fruit, the formation of dark green round water-immersed depression spots, rapid expansion after the whole fruit, resulting in fruit rot, the smell of silage, dense white mycelium diseased surface.
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