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董坑草莓是汕头市的拳头水果产品之一,由于长期重地种植,又不注意合理轮作,造成土传病害流行,2006~2007年暴发草莓枯萎病,平均发病率30%左右,个别田块发病率达85%以上。2009年起在防治研究基础上,总结了枯萎病综合防治技术,并进行示范推广,2010年底对示范园进行调查,结果未见病株。2011~2013年,连续3年调查了推广区域的发病情况,结果显示发病率均不超过1.2%,相对防效较好。一、草莓枯萎病的症状、病原及发病规律1.症状感病植株心叶不能正常抽长,簇生在心
Dongkeng Strawberry is one of the leading fist fruit products in Shantou City. Due to long-term planting and not rational rotation, the soil-borne diseases are endemic. Strawberry blight outbreak occurred in 2006 and 2007 with an average incidence of about 30% Rate of more than 85%. Since 2009, on the basis of research on prevention and treatment, the integrated prevention and treatment of wilt disease has been summarized, and demonstration and popularization has been carried out. By the end of 2010, a survey was conducted on the demonstration garden and no diseased plants were found. From 2011 to 2013, the incidence of the promotion area was investigated for three consecutive years. The results showed that the incidence rate did not exceed 1.2% and the relative control effect was better. First, the symptoms of strawberry blight, pathogens and pathogenesis 1. Symptoms Sick leaves of the plant can not be normal long, clustered in the heart