摘要
通过对芮城县苹果烂根病的调查研究,初步明确了该地区苹果烂根的原因是由尖孢镰刀菌引起的圆斑根腐病所致。同时还明确了该地区发病果园出现的缺素现象是由于果树感病后,影响了根系对土壤营养元素的吸收而产生的次生缺素症状。在此基础上提出了苹果根腐病的防治措施及其防治这一病害的新思路。
The apple root rot in Ruicheng,Shanxi,was found to be caused by Fusarium Oxysporum Schl.,It was shaved that nutritional disorders of apple trees were a consequences of the infections diseats which disrupted obsorption func- tion of a root.With the result,new control measures were proposeol.
关键词
苹果
根腐病
尖孢镰刀菌
防治
Apple root rot
Fusarium oxysporum Schl.
Control measures.
