摘要
对三明市郊国有林场杉木第二代种子园无性系产量测定,应用生产力指数的丰产性评价(PQI)和产量因子的聚类分析,115个无性系划分为4类:高产、中产、低产、极低产,其中高产无性系19个,产量占总产量的39-71%,并着重进行高产无性系的播种品质检验,初步评选出16个产量高、种子品质较好的无性系。
clones were divided into 4 types(high yield,medium yield,low yield and extremely low yield),of which the yield of 19 high yield clones accounted for 39 71% of the total yield and 16 clones with high yield and better seed quality were preliminarily selected.
出处
《福建林业科技》
北大核心
1999年第4期53-57,共5页
Journal of Fujian Forestry Science and Technology
基金
.NULL.
