青麸杨病虫发生规律及防治技术研究

对青麸杨病虫害的发生规律与防治技术进行调查,结果表明:青麸杨病害有10余种,害虫有30余种。病害以膏药病发生最为普遍,每年春秋两季是该病的主要发生期,树龄及环境条件对发病影响较大,用桐油原液或5%氯氰菊酯乳油加适量柴油稀释后涂抹病斑有较好的防治效果。害虫以宽肩象危害最重,该虫1年发生1代,以成虫越冬,防治幼虫可用20%杀灭菊酯乳油800倍液或50%敌敌畏乳油200倍液加适量柴油涂抹树干受害部位。

Study on Occurrence Regularity and Control Technique about Insect Pests of Rhus potaninii Maxim

The occurrence regularigy and control technique about insect pets of Rhus potaninii Maxim were investigated.The results showed that there were more than 10 varieties of diseases and 30 species of insect pests which occured in Rhus potaninii Maxim.The most-common disease was Septobsidium pedicelltum Schw,which usually occured in spring and autumn.The age and growing surrounding of Rhus potaninii Maxim trees had great effect on its occurrence.It was proved that the best solution was applying Tung oil or 5% of...