花生青枯病是一种细菌性土传病害,病原细菌为假单孢杆菌属茄青枯病菌。此菌有很强的致病力,田间发病率一般为10％～20％,严重的高达50％以上,结荚前发病可致绝收,结荚后发病的一般减产6～7成,收获前半个月感病的减产亦达2～3成。 1 主要症状:此病症状的主要特点是叶片急性凋萎呈青枯状。发病初期主茎顶稍第二片叶表现失水萎蔫,随病情发展,自上而下叶片亦逐步萎蔫下垂,白天呈凋萎状,晚上和 Peanut bacterial wilt is a bacterial soil-borne disease, the pathogen is Pseudomonas solanacearum. The bacteria have strong virulence, the incidence of the field is generally 10% to 20%, severe up to 50% or more, the incidence of pod can lead to income, the incidence of pod after the general cut 6 to 7 percent, the first half harvest Months of the cut also reached 2 to 3 percent. 1 main symptoms: the symptoms of the disease is characterized by acute wilt leaves greenish-yellow. At the beginning of the onset, the second leaf at the top of the main stem showed loss of wiltedness. As the disease progressed, the top and bottom leaves gradually wilted, wilting during the day and wilting during the evening