dry-rot fungi,dry rot fungus (Merulius lacrymans)

H2O had better effect on stem rot of Carya cathayensis.

选取14种药剂经室内单浓度粗选和多浓度梯度的进一步抑菌试验,80%乙蒜素乳油、80%402抗菌剂和95%硫酸铜晶体3种杀菌剂农药对山核桃干腐病有较好的抑菌作用;经林间防治试验,3种药剂的200倍液在刮除病斑或在病斑上深划线后再进行喷雾防治都有较好效果。

The pomegranate scab and fruiting pathogen are belonged to same pathogen and deduced the pathogen infect to pomegranate stem or limb at first and infect calyces and fruit second, the pathogen of pomegranate stem rot mainly infect stem or limb, whether the pathogen infect fruit and produce symptom or.

结果表明:石榴疮痂病与石榴果实上增生型症状的病原菌具有更近的亲缘关系,应为同一病原菌引起,推测该病原菌首先侵染石榴侵染枝干,然后侵染石榴的花萼和果实;而石榴干腐病病原菌主要侵染枝干,是否侵染果实及引起症状特征需要继续进行研究和鉴定。

For better to konw the kind and law s happened in disease of flower plant recent years in Shanghai,the author made a filed survey of major flower plants diseases in Shanghai and a systematic research about dry rot which was a serious disese of gadiola.

为了更好了解近几年来上海地区花卉病害发生种类和危害规律的变化,笔者对上海市各区县主要花卉病害进行了田间调查;并对发生较为严重的唐菖蒲干腐病开展了较为系统的病原学和综合防治技术研究,为唐菖蒲干腐病的生态化防治奠定了基础。