Chromosome number in South American species of Bothriochloa (Poaceae: Andropogoneae) and evolutionary history of the genus

Autor:	L. R. Scrivanti, Irene Caponio, A. M. Anton, Guillermo Alberto Norrmann
Rok vydání:	2010
Předmět:	biology Velutina Bothriochloa Chromosome Plant Science General Medicine biology.organism_classification Andropogoneae Taxon Genus Botany Poaceae Ploidy Ecology Evolution Behavior and Systematics
Zdroj:	Plant Biology. 12:910-916
ISSN:	1435-8603
DOI:	10.1111/j.1438-8677.2009.00314.x
Popis:	Mitotic chromosome number of 14 taxa of Bothriochloa native to Argentina, Brazil and Uruguay were surveyed. Chromosome numbers of B. eurylemma, B. meridionalis and B. velutina are reported for the first time, with 2n = 6x = 60, and this ploidy level is the most common among the studied taxa. In addition, new cytotypes were found for B. alta (2n = 60), B. barbinodis (2n = 60), B. exaristata (2n = 80), B. laguroides var. torreyana (2n = 80), B. longipaniculata (2n = 60 and 80), B. perforata (2n = 60) and B. springfieldii (2n = 60). These numbers differ from those reported in the literature.
Databáze:	OpenAIRE
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