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茡荠属莎草科,多年生浅水草本植物。茡荠因口味清香脆甜,多汁,又有防病、保健功能,深受消费者喜爱,因此种植经济效益高,种植面积逐年增加。由于连年种植,综合防治技术不到位,导致茡荠枯萎病、秆枯病发生严重,影响种植效益,挫伤农民的积极性。笔者通过多年实践,总结了一套茡荠综合防治技术。1田间发生症状1.1茡荠秆枯病该病原为半知菌真菌,茡荠柱盘孢属。叶鞘感病,基部初呈暗绿色不规则水渍状斑,后扩大
Water chestnut is a sedge, perennial shallow herb. Water chestnuts taste sweet and crisp because of the taste, juicy, but also disease prevention, health care features, loved by consumers, so the planting of high economic efficiency, planting area increased year by year. As successive years of planting, integrated control technology is not in place, leading to water chestnut wilt disease, serious occurrence of stem blight affect the planting efficiency, dampen the enthusiasm of farmers. Through years of practice, the author summed up a set of integrated water chestnut prevention and control technology. 1 field symptoms 1.1 Water chestnut blight The pathogen is half-know fungi, water chestnut Cylindrical spores genus. Leaf sheath disease, the beginning of the base was irregular dark green stains, after the expansion