Structure and growth pattern of dormancy modules of Puccinellia chinampoensisclones on alkalized meadow of Songnen Plain

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Structure and growth pattern of dormancy modules of Puccinellia chinampoensisclones on alkalized meadow of Songnen Plain

SONG Jinzhi^1，2;YANG Yunfei¹

¹Key Laboratory of Vegetation Ecology of Education Ministry, Institute of Grassland Science, Northeast Normal University, Changchun 130024, China; ²Department of Biology, Tonghua Teachers College, Tonghua 134002, China

Received:2005-12-05 Revised:2006-01-18 Online:2006-07-10 Published:2006-07-10

Abstract

Abstract: By the method of digging single clone in a large sample in random, this paper studied the structure and growth pattern of dormancy modules of Puccinellia chinampoensis clones on the alkalized meadow of Songnen Plain in China. The results showed that by the end of growth season, the dormancy modules of P. chinampoensis clones were consisted of dormancy seedlings and dormancy buds, with an average number being 72.27±48.29 and 45.87±26.27, respectively. The numbers of dormancy seedlings and dormancy buds and the whole dormancy modules were increased by power function with increasing diameter size and area and number of parent tiller.

Key words: Molecular markers, Plant population, AFLP, RAPD, RFLP, SSR

SONG Jinzhi^1，2;YANG Yunfei¹ . Structure and growth pattern of dormancy modules of Puccinellia chinampoensisclones on alkalized meadow of Songnen Plain[J]. cje.

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Structure and growth pattern of dormancy modules of Puccinellia chinampoensisclones on alkalized meadow of Songnen Plain

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