Chromosome Numbers and Karyotype Analysis of 9 Species in Hydrocharitaceae

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Chromosome Numbers and Karyotype Analysis of 9 Species in Hydrocharitaceae

Wang Ning-Zhu

(Wuhan Institute of Botany Acadimia Sinica, Wuchang)

Received:1900-01-01 Revised:1900-01-01 Online:1986-10-18 Published:1986-10-18
Contact: Wang Ning-Zhu

Abstract

Abstract:

The present paper reports the chromosome numbers and karyotypes in 9

species of 5 genera from China. It is found that all these analysed species are diploid.

The karyotypes of most species are made of m and sm and of a few of st chromosomes.

These are grouped into four types, 1A, 2A and 1B, 2B. Blyxa is the most primitive, and

Hydrilla is the most advanced.

Key words: Hydrocharitaceae, Blyxa, Hydrilla, Ottelia, Vallisneria, Hydrocharis, Chromosome

Wang Ning-Zhu. Chromosome Numbers and Karyotype Analysis of 9 Species in Hydrocharitaceae[J]. .

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Chromosome Numbers and Karyotype Analysis of 9 Species in Hydrocharitaceae

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