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贵州黎平杉木花芽分化的观察
引用本文:李齐,陈晓阳.贵州黎平杉木花芽分化的观察[J].北京林业大学学报,1996,18(2):100-102.
作者姓名:李齐  陈晓阳
作者单位:北京林业大学森林资源与环境学院
摘    要:该文对1992~1993年贵州黎平东风林场杉木无性系花芽分化进行了解剖观察,结果表明,杉木雄球花芽形态分化始于5月下旬,9月上旬形成小孢子叶球雏形,以多边形孢原细胞越冬,雌球花芽形态分化始于10月上旬,11月下旬形成大孢子叶球雏形,GA_3对雌球花诱导的最佳时间是8月中旬,对雄球花作用最大的时间在5月。

关 键 词:杉木,种子园,花芽分化

Observation of the Flower Bud Initiation of Chinese Fir in Liping County, Guizhou Province of China
Li Qi Chen,Xiaoyang ,Zhang Tianqi.Observation of the Flower Bud Initiation of Chinese Fir in Liping County, Guizhou Province of China[J].Journal of Beijing Forestry University,1996,18(2):100-102.
Authors:Li Qi Chen  Xiaoyang  Zhang Tianqi
Abstract:The flower bud initiation of Chinese fir in the seed orchard of Dongfeng forestfarm in Liping county,Guizhou province was studied from 1 992 to 1 993 by means of theparaffin- microton- sectioning method.It was found that the male strobilus primodia of Chi-nese fir started to differentiate in late May,and in the middle of September,the Proto- mi- crostrobilus began to form,and with the closely arranged polygon sporogenous liyed throughthe winter,The female strobilus primodia of Chinese fir appeared to differentiate in early Oc-tober,and in November, the yong female strobilus formed.The optimum time of inducingthe female flower differentiation by GA3 was in the middle of August.The time of the mosteffect of GA3 on male flower was in May.
Keywords:hinese fir  seed orchard  flower bud differentiation
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