ZHANG Guo-zhen,ZENG Fu-chun,LI Ce-hong,et al.Effect of Different Light Treatment on Growth and Ornamental Feature of Five Ornamental Ferns[J].Northern Horticulture,2014,38(09):93-96.
不同光照处理对五种观赏蕨生长发育及观赏特性的影响
- Title:
- Effect of Different Light Treatment on Growth and Ornamental Feature of Five Ornamental Ferns
- 文章编号:
- 1001-0009（2014）09-0093-04
- Keywords:
- light intensity; ornamental fern; morphological characters; ornamental feature; shade tolerance
- 分类号:
- S 682.35
- 文献标志码:
- A
- 摘要:
- 以峨眉山优良观赏蕨类峨眉耳蕨、瘤足蕨、长叶实蕨、光石韦和井栏边草为试材，研究了全光照、透光70%、透光50%、透光17%等4种不同光照处理对5种观赏蕨生长发育及观赏特性的影响。结果表明：光照强度影响观赏蕨新叶的萌发及生长，随着透光率的降低，蕨类新叶初始萌发时间、叶片萌发盛期以及新叶生长至成熟叶所经历的时间均有所推迟，同时，在强光下蕨类生长相对迅速，随着光照强度的降低，生长速率减慢；光照强度过强和过弱都不利于观赏蕨正常生长，其观赏价值降低甚至丢失；而适度遮荫有利于观赏蕨的生长，其观赏价值大大提高；5种观赏蕨对光照强度的响应不同，耐荫能力从大到小依次为井栏边草>峨眉耳蕨>长叶实蕨>瘤足蕨>光石韦。
- Abstract:
- Taking five native ornamental ferns (Polystichum omeiense, Plagiogyria adnata，Bolbitis heteroclite，Pyrrosia calvata and Pteris multifida) collected from Mountain Emei as experimental materials，the effect of four different light treatments including 100%,70%,50%,17% of full sunlight on the growth and ornamental features of them were studied.The results showed that light treatment affected the germination and growth of new fronds of the fern，as the light intensity weakening，the time of new fronds initial germination，most new fronds appearanced and new fronds grow into mature fronds were delayed，and the growth velocity of every tested ornamental ferns slowed down.The light intensity was too strong or too weak both inhibited the growth and reduced the ornamental values of the ferns，while proper shade could promote growth and increased the ornamental values.The responses to light intensity were different in five ornamental ferns，the order for the shade tolerance of them was Pteris multifida>Polystichum omeiense>Bolbitis heteroclita> Plagiogyria adnata>Pyrrosia calvata.
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备注/Memo
第一作者简介：张国珍（1977-），女，硕士，助理研究员，现主要从事植物生理与生态等研究工作。E-mail：zgzmj@163.com.