【摘要】 经过两年多的调查、试验，现已基本弄清了陕南断枝病的发病原因，发生规律。并提出了简便易行的防治方法，防治效果达90％以上。更多还原

【Abstract】 The causal organism and incidence law of muIberry shoot break disease insouth of Shaanxi were found out through investigation and experiment of more than twoyears Simple and convenient methods of prevention and control were carried out andachieved result high than 90%.更多还原