| 摘要: |
| 研究了光照和黑暗条件对红盖鳞毛蕨孢子萌发率的影响,同时研究了红盖鳞毛蕨成精子囊素对其孢子萌发和配子体发育的影响以及红盖鳞毛蕨成精子囊素对水蕨孢子萌发和配子体发育的影响.实验表明:①光照不是红盖鳞毛蕨孢子萌发的必要条件,但能显著促进其萌发;②在光照条件下,红盖鳞毛蕨成精子囊素可促进其孢子萌发和雄配子体发育;在黑暗条件下不能促进其孢子萌发;③红盖鳞毛蕨配子体各发育时期产生的成精子囊素对水蕨孢子萌发和配子体发育均无显著影响. |
| 关键词: 红盖鳞毛蕨 成精子囊素 萌发 配子体发育 |
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| 基金项目:上海师范大学大学生创新项目(A－0504－00－001053);上海市教育委员会重点学科建设项目(J50401);上海师范大学校理科科研基金(SK201231) |
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| The development of gametophytes and its′ antheridiogen system of Dryopteris erythrosora |
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WANG Lichao, LIU Feng, CAO Jianguo, DAI Xiling
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College of Life and Environment Sciences,Shanghai Normal Universit
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| Abstract: |
| The effects of light and darkness on spore germination percentage of the fern Dryopteris erythrosora are investigated.Moreover,the effects of antheridiogen of D.erythrosora on its′ spores germination and gametophyte development and on spores germination,gametophyte development of Ceratopteris thalictroides are investigated respectively.The results exhibit:① The light illumination is not the prerequisite of spore germination of D.erythrosora.However,the light can markedly promote the spore germination.② In light condition,antheridiogen of D.erythrosora promotes the spore germination and the development of the male gametophytes,but inhibits the development of the bisexual gametophytes.But in darkness,the antheridiogen does not promote the spore germination.③ The antheridiogen of D.erythrosora at different stage of gametophyte development exhibits no obvious effects on the spores germination and gametophyte development of Ceratopteris. |
| Key words: Dryopteris erythrosora antheridiogen germination gametophyte development |
