(1) The disease primarily affects the leaves, with initial symptoms appearing as large water-soaked spots. These spots gradually dry out, but are surrounded by a light green, water-stained halo. The lesions typically measure between 15 to 20 mm in diameter. The center of the lesion becomes thin and papery, pale yellow in color, and is easily broken. Only a few small black spots may be visible on the affected areas.
(2) The pathogen responsible for the disease belongs to the subphylum of fungi. It thrives under warm and humid conditions, with an optimal temperature range of 25 to 28°C. High relative humidity above 85% significantly increases the risk of infection, and the disease tends to develop more rapidly under such conditions.
(3) To prevent and manage the disease, several effective measures can be taken. First, implement a crop rotation system lasting more than two years, and enrich the soil with high-quality farmyard manure while applying fertilizers in a scientifically balanced manner. Second, spray the leaves with products like Huimanfeng or Green Wind 95 to enhance the plant's natural resistance to diseases. Third, ensure proper watering practices and maintain good ventilation in greenhouses to reduce air humidity. Finally, when the disease first appears, apply fungicides such as 75% chlorothalonil wettable powder diluted at 600 times, 70% mancozeb wettable powder at 500 times, 64% antivirus WP at 500 times, or 50% benomyl wettable powder diluted at 1500 times. Regular monitoring and timely intervention are essential to control the spread of the disease effectively.
API (Active Pharmaceutical Ingredients)
API is prepared by chemical synthesis, plant extraction or biotechnology, but which can not be taken directly by patients, are generally made into drugs that can be used directly by adding excipients and processing. Currently, China and India are the two major producers of API.
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Extract, Blackberry Extract, Acai Berry Extract, Lingonberry Extract, Mulberry Extract are our most popular items.
They can be made into capsule, tablet, granule, etc., deeply favored by the pharmaceutical industry and patients.
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