ZHANG Rong,ZHU Mudi,LIANG Xue,et al.Chestnut′s Male Gametophyte Development of Introduced ‘Yanlong’ and Local ‘No.1 Yongfeng’ in Yunnan[J].Northern Horticulture,2017,41(01):24-28.[doi:10.11937/bfyy.201701006]
云南“永丰1号”与引种“燕龙”板栗雄配子体发育
- Title:
- Chestnut′s Male Gametophyte Development of Introduced ‘Yanlong’ and Local ‘No.1 Yongfeng’ in Yunnan
- Keywords:
- chestnut; ‘Yanlong’; ‘No.1 Yongfeng’; male gametophyte
- 文献标志码:
- A
- 摘要:
- 以引种的“燕龙”板栗和云南省永仁县本地“永丰1号”品种为试材，采用环氧树脂半薄切片法对二者的雄配子体发育进行了系统的比较研究，揭示了其生殖学进程和特点。结果表明：本地“永丰1号”板栗雄配子体发育早期较慢，后期较快，引种“燕龙”板栗恰恰相反；而且“永丰1号”板栗雄配子体发育比“燕龙”提前约9 d。二者雄配子体发育从开始到结束整体用时相近，约32 d；花药有4个花粉囊，两瓣、成对；绒毡层类型为腺质绒毡层；花药壁发育类型为基本型；花粉粒为长球型。
- Abstract:
- In order to reveal the process and characteristics of reproduction of introduced ‘Yanlong’ chestnut and and local ‘No.1 Yongfeng’ chestnut in Yongren county，Yunnan，using semithin section method to comparative study its male gametophyte development.The results showed that the male gametophyte development of ‘No.1 Yongfeng’ was slower in early and faster in later.The male gametophyte development of ‘Yanlong’ was just the opposite.And the male gametophyte development of ‘No.1 Yongfeng’ chestnut was about nine days earlier than ‘Yanlong’.Their male gametophyte development took about 32 days from the beginning to the end.Both of them had four microsporanges.The type of tapetum was glandular tapetum.The development of anther wall was basic type and the shape of pollen was prolate spheroids.
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备注/Memo
第一作者简介：张荣（1990-），女，硕士研究生，研究方向为经济林培育。E-mail:447450992@qq.com.责任作者：石卓功（1957-），男，博士，教授，现主要从事经济林和果实生殖生物学及栽培等研究工作。E-mail:zgongshi@sina.com.基金项目：国家自然科学基金资助项目（30860231）；西南林业大学云南省省级重点学科（林学）资助项目。