MA Bei-bei,LU Xiu-jun,ZHANG Xiao-lin.Research on Biological Characteristics of Magnolia sieboldii K.Koch.in Shenyang Area[J].Northern Horticulture,2012,36(06):51-54.
沈阳地区天女木兰生物学特性研究
- Title:
- Research on Biological Characteristics of Magnolia sieboldii K.Koch.in Shenyang Area
- 文章编号:
- 1001-0009（2012）06-0051-04
- Keywords:
- Magnolia sieboldii K.Koch.; phenophase; growth process
- 分类号:
- S 685.99
- 文献标志码:
- A
- 摘要:
- 以沈阳地区栽培的天女木兰为研究对象，详细观察测定了该树种的物候期、芽萌发形态变化、开花习性以及枝、叶、果的生长动态等生物学特性。结果表明：天女木兰芽在4月上旬开始萌动，生长期约为150 d，旺盛生长期从5月上旬到6月中旬，大约50 d；5～6月枝、叶、果生长量最大，此期间新梢生长量占当年新梢总生长量（18.3 cm）的81%；天女木兰具有“二次开花”现象，第1次开花（主花期）在5月下旬至6月中旬，持续约20～30 d，第2次开花在7月末至8月初，花数量少，持续时间短；果实从生长到发育成熟约需90 d，成熟期在9～10月。
- Abstract:
- Taking Magnolia sieboldii cultivated in Shenyang area as material，the phenophase，morphological changes of buds，flowering habits and branches，leaves and fruits growth dynamics and other biological characteristics were detailed.The results showed that M.sieboldii buds began to sprout in early April，growth period about 150 days，vigorous growth period lasted about 50 days from early May to mid-June；growth amounts of branches，leaves and fruits was the largest in May to June，new shoots growth during this period accounted for 81% of the new shoots total growth (18.3 cm) that year; M.sieboldii had a ‘second flowering’ phenomenon,the first flowering (the main flowering) in late May to mid-June，lasted about 20～30 days，the second flowering in late July to early August，small number of flowers，short duration；the fruits from growth to mature need about 90 days，maturity in September to October.
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备注/Memo
第一作者简介：马蓓蓓（1988-），女，山西运城人，在读硕士，现主要从事林木种子生理及苗木培育的研究工作。E-mail：mabeibei2008@163.com。
责任作者：陆秀君（1966-），女，博士，教授，现主要从事林木种子生理生化及种子生物学研究工作。E-mail：luxiujun1993@sina.com。
基金项目：国家自然科学基金资助项目（31070561）；辽宁省百千万人才资助项目（2009921071）。
收稿日期：2011-12-21