Cucumber cultivation | Joe teacher Auditorium (certified) | Cucumber

Joe Modern agricultural vocational education teacher training centers powdery mildew commonly known as "white defect" to the leaves of the hardest hit, followed by petioles and stems, generally do not harm the fruit. The early stages of cultivation Cucumber, front or back the leaves white suborbicular small pink spots, and gradually expanded into a large white powder edge inconspicuous area, covered with foliage, as if sprinkled with white powder layer. Wipe white powder greenhouse cucumber, visible leaf chlorosis, brown brittle. Severe morbidity, the leaf covered with white powder, into a gray, until the entire dead leaves. After the powdery mildew infection petioles and stems, symptoms similar to vegetable greenhouse cucumber leaves, but the lesion is small, less powder. On the leaves begin to yellow dots, and then expand and develop into a round or oval spots, powdery mildew surface layer of white students. Generally the lower leaves more than the upper leaves, leaves the back than the front. Mildew early dispersion alone, after the joint into a large mildew, can even cover the entire leaf, seriously affecting photosynthesis, so that normal metabolism is disturbed, resulting in premature aging, yields suffer. Joe teacher greens safety standardization management of new technologies cucumber downy mildew control downy mildew control measures must seriously implement the "prevention first, comprehensive prevention and control" of a plant protection policy, selection of resistant disease-resistant, high-yield, high-quality varieties Two, cultivate and selection melon breeding and production of disease-free two should be separated to avoid greenhouse seedling infection, nursery seedbed warming due to high night temperatures, low humidity, non-condensing and rarely sick. Seedling found diseased plants should be immediately removed. When Zaimiao strict checks to prevent with bacteria into the conservatory and plastic greenhouses. Third, strengthen the cultivation and management, disease management aimed at curbing the disease occurrence and development of bacteria, to protect and promote the growth of cucumber. This requires people to find ways to create an environment conducive to the growth of cucumbers to the detriment of the development of pathogen occurrence and ecological conditions to ensure their quality and high yield. Cucumber cultivation | Joe teacher Auditorium (certified) | Cucumber provided by Shouguang City Agricultural Science and Technology Co., Ltd. Qiao teacher. Shouguang City Agricultural Science and Technology Co., Ltd. Qiao teacher (www.qlsxdny.com) (www.zynm888.com) Shandong Weifang, other leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. Joe modern agriculture teacher leadership with the staff warmly welcome all inquiries negotiations to create a modern agriculture teacher Joe a better future.