福建山樱花无性系萌芽展叶物候遗传变异及选择  

Phenological genetic variation and selection of sprouting-leaf unfolding stage of Cerasus campanulata clones

作　　者：沈继南[1] SHEN Jinan(Fujian Academy of Forestry Science,Fuzhou 350012,Fujian,China)

机构地区：[1]福建省林业科学研究院,福建福州350012

出　　处：《福建林业》2024年第3期37-40,共4页Fujian Forestry

基　　金：省属公益类科研院所基本科研专项(2020R1009005)。

摘　　要：为划分福建山樱花无性系萌芽展叶物候,在福建省南平市延平区茫荡镇北山村对41个福建山樱花嫁接无性系进行了为期2a的花期观测。结果表明,无性系间萌芽展叶期物候差异极显著。叶芽膨大期、叶芽开放期、展叶始期、展叶盛期的重复力分别为0.732、0.899、0.954、0.958。依据展叶始期、展叶盛期对无性系系统聚类,41个无性系可分为展叶早期型、展叶中期型、展叶晚期型3类,展叶始期到盛期平均时长11d。以先花后叶型为前置条件,盛花期为目标性状,分别从展叶早、中、晚3型中各选择1个无性系作为早中晚3个观花型无性系。In order to classify the phenology of sprouting-leaf unfolding stage of Fujian cherry(Cerasus campanulata)clones,41 grafted clones were observed for 2 years in Beishan Village,Mangdang Town,Yanping District,Nanping City,Fujian Province.The results showed that there were significant differences in phenology among clones during sprouting-leaf unfolding stage.The repeatability of leaf bud expansion stage,leaf bud opening stage,leaf expansion stage and leaf flourishing stage were 0.732,0.899,0.954 and 0.958,respectively.According to the systematic clustering of clones at the leaf expansion stage and leaf flourishing stage,41 clones can be divided into three types:early type,middle type and late type.The average time from the leaf expansion stage to leaf expansion stage was 11 days.Taking the first flowering and then leaf type as the pre-condition and the peak flowering stage as the target character,one clone was selected from the early,middle and late leaf spreading types as the early,middle and late flowering clones.

关 键 词：福建山樱花 无性系 萌芽展叶物候 遗传分析 

分 类 号：S722.3[农业科学—林木遗传育种]