油茶炭疽病对油茶生产威胁很大,炭疽病造成落果的常年在20％左右,有的植株达80％以上。以往多用化学农药防治,虽有效果,但药源困难,成本高,往往产生药害,不易推广。为解决这个问题,我们选择了本县常用的土农药,进行了毒力测定和林间防治试验。 Camellia anthrax poses a great threat to the production of Camellia. Anthracnose causes decadent perennial about 20%, and some plants up to 80%. In the past the use of chemical pesticides prevention and treatment, although effective, but the source of the drug is difficult, the cost is high, often resulting in injury, not easy to promote. In order to solve this problem, we chose the pesticides commonly used in this county to conduct the virulence test and the forest prevention and control experiment.