摘要
在中国黑龙江省杨树细菌溃疡病严重发生地区,采用野外均匀分布典型整群抽样调查和树干解析方法,获得40块样地、90株解析木的病情调查材料。从而,确定了杨树细菌溃疡病各病情指数的材积损失率的相关数律,建立黑龙江省杨树细菌溃疡病对材积损失率的估测模型和防治指标的计算模型。
The control index of bacterial canker of poplar has been studied in this research. The study was carried out in the area where poplar canker occurred seriously. By the method of typical population sampling and stem analysis in field, a lot of pathologic information have been got from 40 sample plots and 90 stem analysis trees. The correlation rule between pathologic condition index and volume loss rate has been established. The evaluation model for volume loss caused by the bacterial canker of poplar in Heilongjiang province and the control index models have been obtained.
出处
《东北林业大学学报》
CAS
CSCD
北大核心
1991年第3期1-6,共6页
Journal of Northeast Forestry University
关键词
杨树
细菌溃疡
防治指标
Poplar
Bacterial Canker
Control index
