苹果及梨黑星病逐渐成为生产中的重要病害，可引起落叶及疮痂等症状，影响到商品果的产量和品质。苹果黑星病已补列为陕西省检疫对象。梨黑星病则发生于陕西省所有酥梨产区。由于研究滞后，在生产实际中不少农药效果较差。为此，笔者对市场中有关杀菌剂及一些新引进的杀菌... Apple and pear scab have gradually become an important disease in production, which can cause symptoms such as deciduous leaves and scabs, affecting the yield and quality of the fruit. Apple scab disease has been added as a quarantine object in Shaanxi Province. Pear scab occurs in all pear production in Shaanxi Province. Due to the lag of research, many pesticides are less effective in production. To this end, the author on the market of fungicides and some new disinfection introduced ...