WANG Guoxia,YANG Yuzhen,LUO Qing,et al.Study on the Biological Character of Flowering of Ancient Male Ginkgo biloba Trees in Henan Province[J].Northern Horticulture,2015,39(19):59-62.[doi:10.11937/bfyy.201519015]
河南省古银杏开花生物学特性研究
- Title:
- Study on the Biological Character of Flowering of Ancient Male Ginkgo biloba Trees in Henan Province
- Keywords:
- Ginkgo boliba L.; ancient trees; biological character
- 文献标志码:
- A
- 摘要:
- 为研究河南省银杏雄株的开花生物学特性，对14株百年以上的银杏古树的开花时间、花穗长、花穗宽、单穗花药数、花粉长、花粉宽等指标进行了调查分析。结果表明：银杏古树雄株开花时间一般从3月底到4月中旬，花期3~7 d不等；14个银杏古树雄株花穗长在21.33~31.36 mm，平均为27.74 mm；花穗宽5.81~7.90 mm，平均为6.94 mm；单穗花药数在39.80~56.17，平均为50.15个；花粉长在30.05~34.66 μm，平均为33.47 μm；花粉宽在13.93~17.73 μm，平均为15.32 μm。方差分析结果表明，不同雄株间在花穗长、花穗宽、单穗花药数、花粉长、花粉宽均存在极显著差异。
- Abstract:
- The flowering biological character of male ginkgo trees was studied in Henan Province，the flowering period，the length of spica，the width of spica，the anther number of spica of 14 ancient male ginkgo trees was investigated and analyzed.The results showed that the flowering period of male ginkgo trees ranged from late March to middle April and flowering lasted for 3-7 days；the length of spica ranged from 21.33 mm to 31.36 mm and the average number was 27.74 mm；the width of spica ranged from 5.81 mm to 7.90 mm and the average number was 6.94 mm；the anther number of spica ranged from 39.80 to 56.17 and the average number was 50.15；the length of pollen ranged from 30.05 μm to 34.66 μm and the average number was 33.47 μm；the width of pollen ranged from 13.93 μm to 17.73 μm and the average number was 15.32 μm.The results indicated that the flowering period，the number of flower spikes on short shoot，the length of spica，the width of spica and the anther number of spica of ancient male ginkgo trees were all significant differences.
参考文献/References:
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备注/Memo
第一作者简介：王国霞（1977-），女，博士，副教授，现主要从事经济植物栽培利用等研究工作。E-mail：wgxia191919@sina.com.基金项目：河南省教育厅科学技术研究重点资助项目(13A180349)；河南省科学技术攻关资助项目（122102110156）；郑州师范学院校级课题资助项目（2012077）。