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DONG Zhen-Rong, CHEN Jin-Ming, WANG Qing-Feng. RAPD Analysis for Mating System in Caldesia parnassifolia[J]. Plant Science Journal, 2006, 24(2): 167-170.
Citation: DONG Zhen-Rong, CHEN Jin-Ming, WANG Qing-Feng. RAPD Analysis for Mating System in Caldesia parnassifolia[J]. Plant Science Journal, 2006, 24(2): 167-170.

RAPD Analysis for Mating System in Caldesia parnassifolia

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  • Received Date: July 07, 2005
  • Revised Date: January 15, 2006
  • Published Date: April 24, 2006
  • Outcrossing rate in an open-pollinated breeding population(Huli population,Chaling,Hunan Province) of Caldesia parnassifolia was estimated by the dominant RAPD makers using 10 open-pollinated progeny arrays of 24 individuals.The multilocus outcrossing rate(tm) was 1.008 and the single-locus outcrossing rate(ts) was 1.028.The multilocus outcrossing rate did not significantly differ from the single-locus outcrossing rate(tm-ts =-0.021).The fixation index(F) was-0.200.The estimates of (tm),(ts) and F utilizing windows version of MLTR program clearly indicate that outcrossing is predominant in the C.parnassifolia open-pollinated breeding population.This is possibly influenced by factors such as plant density,the adaptability of pollinator and so on.
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