爬树蕨属2种植物配子体发育及其系统学意义

Journal of Guangxi Normal University(Natural Science Edition) ›› 2012, Vol. 30 ›› Issue (3): 263-268.

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Development and Taxonomic Significance of Gametophytes of 2 Species in Arthropteris J.Sm.

WANG Ren-xiang^1,2, LIU Ling^1,2, LIANG Shi-chu^1,2, YI Jin-yan^1,2

1.College of Life Sciences,Guangxi Normal University,GuilinGuangxi 541004,China;
2.Key Laboratory of Ecology of Rare and Endangered Species and Environmental ProtectionGuangxi Normal University,Ministry of Education,Guilin Guangxi 541004,China

Received:2012-05-30 Online:2012-09-20 Published:2018-12-04

Abstract

Abstract: The spores of Arthropteris pallisotii and Arthropteris repens were respectively cultured in habitat of soil and knop's.The mature spores were yellow-brown,bilateral type,monolete,kidney-shape in equatorial view and elliptical in polar view with a loose wrinkled perines.The spore germianation pattern of both species was of the Vittaria-type.It occured about 8 days after inoculation.The gametophyte development was of the Aspidium-type.Filamentous growth appeared within 14 days after inoculation and formed a filament of 3～8 cells.Prothallial plates growth appeared within 27 days after inoculation.The young prothallia were not symmetry temporarily,but the mature prothallia were cordate type with one type hair.Antheridia were appeared on prothallus 75 dayrs after inoculation,pelletlike,consisting of three cells.The neck of mature archegonium was composed of4～5 layers of cells high.The characteristics of spore germination and gametophyte development of A.pallisotii and A.repens were relatively advanced.

Key words: Arthropteris J.Sm., spore germination, gametophyte development, taxonomic significance

CLC Number:

Q949.36

WANG Ren-xiang, LIU Ling, LIANG Shi-chu, YI Jin-yan. Development and Taxonomic Significance of Gametophytes of 2 Species in Arthropteris J.Sm.[J].Journal of Guangxi Normal University(Natural Science Edition), 2012, 30(3): 263-268.

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