三苯基醋酸锡防治甜菜褐斑病褐斑病是甜菜生产上的一种主要病害，历年都有不同程度的发生，一般发病２０—３０％，严重的在８０—９０％，减产１５—２０％，降低含糖量０．５—１％。由于单一用药和多次用药，使甜菜褐斑病病菌的抗药性增强，生产上迫切需要新的高效杀菌... Triphenyltin acetate prevention and control of brown sugar leaf spot Brown spot is a major disease in the production of sugar beet, over the years have varying degrees of occurrence, the general incidence of 20-30%, severe in 80-90%, cut 15-20 %, Reduce the sugar content of 0.5-1%. As a single drug and multiple drug use, so that the resistance of sugarbeet brown spot disease bacteria increased, the production of an urgent need for new efficient sterilization ...