省沽油生物学特性研究-林业科学研究.PDF

2007, 20( 5) : 705~ 709 ForestR esearch : 100 11498( 2007) * 刘正祥, 张华新 , 刘 涛 ( , , 100091) : 4~ 5 a, : ( 1) - 1 - 1 , 5 a 162. 5 cm, 1. 9 cm, 45~ 50 , 468 , - 1 - 1 17% , 0. 4 kg a ; ( 2) 8, ; ( 3) , , , 20~ 30 d, 40~ 50 d, 95~ 110 d : ; ; ; : S759. 3 : A Study on the B iological Characteristics of Stap hy lea buma lda DC. LIU Zhengxiang, ZHANGH uaxin, LIU Tao ( Resea ch In stitu te of Fo est y, CAF; K ey Labo ato y of T ee B eed ing and Cu ltivation, State Fo est y Adm in ist at ion, B eijing 100091, Ch in a) Abs tract: T he m o pho log ical cha acte istics, f low e ingf u it ing habits and phonological pe iods of 4 ~ 5yea old S taphy lea bumal a in dist ibution cente w e e stud ied system a tica lly by w ild obse vation, the m a in esults a e as fo l low s: ( 1) The m ean height and g ound d iam ete of t ees at the age of 5 w as 162. 5 cm and 1. 9 cm in T ongba i of H e# nan espect ive ly. T he e w e e 45~ 50 f uited b anches in eve y c luste t ee. A fte p oductive pe iod, the ew e e 468 inflo escencesw ith a f uit pe centage of 17% , and 0. 4 kg of ai d ied seedsw as ha vested f om each t ee. ( 2) 8 cha acte s, that is, num be of m a in b anches pe t ee, num be of f u ited b anches pe m a in b anch, numbe of in flo escences pe f uited b anch, num be of flow e s pe in flo escence, m ass of eve y f esh in flo escence, f u it a te of capsule, m ass of eve y capsule and seed num be of eve y capsule, had a bigge va iat ion am ong t ees and could be co