林业科学研究
林業科學研究
임업과학연구
FOREST RESEARCH
2001年
1期
85-89
,共5页
杨志玲%龚榜初%陈增华%吴士元%吴连海%余建功
楊誌玲%龔榜初%陳增華%吳士元%吳連海%餘建功
양지령%공방초%진증화%오사원%오련해%여건공
锥栗%果实经济性状%主成分分析%无 性系选择
錐慄%果實經濟性狀%主成分分析%無 性繫選擇
추률%과실경제성상%주성분분석%무 성계선택
Seven economic characters of 41 selected individ uals of Castanea henry i were analyzed with principal component analysis (PCA). Two overall indexes use d to evaluate the individual characters were determined and the weighted value o f overall index was taken as the criterion of individual ordination and classifi cation. The authors suggested to reselect the clones among individual with large - sized nut and medium-sized nut, and attention should be paid on the examining t he individuals of small-sized nut with fine and special characters. The wild[ WTBX C. h enryi should be collected as much as possible and should be preserved as germ plasm resource.