梨蒴珠藓孢子萌发与原丝体发育特征研究  

Studies on the Characteristics of Spore Germination and ProtonemaDevelopment of Bartramia pomiformis

作　　者：黄士良[1] 金红霞 曹珍[3] 董祯[1] 高英杰[4] 李琳[4] HUANG Shi-liang;JIN Hong-xia;CAO Zhen;DONG Zhen;GAO Ying-jie;LI Lin(Hebei Women’s Vocational College,Shijiazhuang 050091,China;Hebei Foreign Languages University,Shijiazhuang 050091,China;Hebei College of Industry and Technology,Shijiazhuang 050091,China;College of Life Science,Hebei Normal University,Shijiazhuang 050024,China)

机构地区：[1]河北女子职业技术学院,石家庄050091 [2]河北外国语学院,石家庄050091 [3]河北工业职业技术学院,石家庄050091 [4]河北师范大学生命科学学院,石家庄050024

出　　处：《热带亚热带植物学报》2020年第6期628-632,共5页Journal of Tropical and Subtropical Botany

基　　金：河北省自然科学基金项目(D2019106006,C2019205175);河北省社会科学基金项目(HB19SH012)资助。

摘　　要：为了解梨蒴珠藓(Bartramia pomiformis)孢子萌发和原丝体发育特征,在显微镜下观察室内人工培养的梨蒴珠藓单倍配子体发育过程。结果表明,梨蒴珠藓孢子吸水膨胀5 d后,开始破壁萌发,原丝体系统以丝状绿丝体为主,轴丝体在绿丝体上分化产生。培养22 d后,配子体在轴丝体细胞上分化产生。参照Nishida的标准,梨蒴珠藓孢子萌发类型为真藓型(Bryumtype)。这为梨蒴珠藓的人工扩繁提供了发育学基础资料。In order to understand the spore germination and protonema development of Bartramia pomiformis,the development process of haploid gametophyte cultured in laboratory was observed under microscope.The results showed that the spores began to germinate from the wall after 5 days,the protonema system was mainly composed of chloronema,and the axonema was differentiated from chloronema.The gametophyte was differentiated from the cells of axonema cultured after 22 days.According to Nishida’s standard,the spore germination of B.pomiformis was Bryum-type.Therefore,these would provide the basic data of development for the artificial propagation of B.pomiformis.

关 键 词：梨蒴珠藓 孢子萌发 原丝体发育 配子体发生 

分 类 号：Q945[生物学—植物学]