板栗花芽分化进程及形态结构观察  

Flower Bud Differentiation and Morphological Structure of Castanea mollissima

作　　者：赵志珩[1] 张荣 和润喜[3] 严蕾 梁文汇[1] 廖健明[1] 黄晓露[1] 蓝振岐 覃晓彬 梁继常 Zhao Zhiheng;Zhang Rong;He Runxi;Yan Lei;Liang Wenhui;Liao Jianming;Huang Xiaolu;Lan Zhenqi;Qin Xiaobin;Liang Jichang(Guangxi Forestry Research Institute,Guangxi Key Laboratory of Special Non-wood Forest Cultivation&Utilization,Nanning,Guangxi 530002,China;Fenghuangshan National Forest Park,Zunyi,Guizhou 563000,China;Southwest Forestry University,Kunming,Yunnan 650224,China;Dashantang Forest Farm in Jinchengjiang District,Hechi,Guangxi 547000,China;Aidong Forest Station of Donglan County,Hechi,Guangxi 547405,China)

机构地区：[1]广西壮族自治区林业科学研究院广西特色经济林培育与利用重点实验室,广西南宁530002 [2]遵义市凤凰山国家森林公园,贵州遵义563000 [3]西南林业大学,云南昆明650224 [4]河池市金城江区大山塘林场,广西河池547000 [5]河池市东兰县隘洞镇林业站,广西河池547405

出　　处：《广西林业科学》2021年第2期150-156,共7页Guangxi Forestry Science

基　　金：广西创新驱动发展专项资金项目(桂科AA17204058-03)。

摘　　要：板栗(Castanea mollissima)具有雄单性和两性花同株或雌雄异花同株植物的特性,雌雄花的比例严重影响其坐果率、果实产量和质量,因此,查明板栗花芽分化特点,可为花芽分化调控提供理论指导。本研究以‘易门一号’、‘易门二号’和‘云良’作为试验材料。结果表明,‘云良’的物候期较其他两个品种整体延迟7~10天;通过石蜡切片、环氧树脂切片法研究3个品种板栗2~3年生枝条,发现‘易门一号’结果母枝雌花簇数最多,‘易门二号’的雌雄花序比最小。Castanea mollissima has characteristics of male unisexual and bisexual or monoecious plants,and ratio of male and female flowers seriously affects fruit-setting rate,fruit yield and quality.Therefore,finding out characteristics of C.mollissima flower bud differentiation can provide theoretical guidance for regulation of flower bud differentiation.'Yimen No.1','Yimen No.2'and'Yunliang'were used as experimental materials.Results showed that phenological period of'Yunliang'was delayed by 7-10 days compared with'Yimen No.1'and'Yimen No.2'.Two to three-year-old branches of three varieties were analyzed by paraffin section and epoxy resin section.Number of female flower cluster in female branches of'Yimen No.1'was the highest,and ratio of female and male inflorescence of'Yimen No.2'was the smallest.

关 键 词：两性花序 花芽分化 形态结构 板栗 

分 类 号：S664.2[农业科学—果树学]