Intraspecific Crossability in Andrographis paniculata Nees : A Barrier against Breeding of the Species

The ambiguity of crossability in Andrographis paniculata (AP) was pointed out in the present research. Accordingly, the effects of different style length and crossing time on intraspecific crossability of seven AP accessions in 21 possible combinations were investigated. The best results came out be...

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Bibliographic Details
Published in:TheScientificWorld 2012-01, Vol.2012 (2012), p.1-9
Main Authors: Hua, Chia Sok, Omidvar, Vahid, Talei, Daryush, Said Saad, Mohd, Valdiani, Alireza, Abdul Kadir, Mihdzar
Format: Article
Language:English
Subjects:
Andrographis - classification
Andrographis - physiology
Andrographis paniculata
Breeding
Bubbles
Ecosystem
Enzymes
Flowers & plants
Hybridization
Hybridization, Genetic - physiology
Hybrids
Hydrogen peroxide
Phaseolus vulgaris
Plant reproduction
Pollen
Quantitative genetics
Species Specificity
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Summary:The ambiguity of crossability in Andrographis paniculata (AP) was pointed out in the present research. Accordingly, the effects of different style length and crossing time on intraspecific crossability of seven AP accessions in 21 possible combinations were investigated. The best results came out between 08:00 to 11:00 h for manual out-crossing of AP, while the time from 12:00 to 18:00 h showed a decreasing trend. Moreover, 12 mm style length was found as the most proper phenological stage in terms of stigmatic receptivity to perform out-crossing in this plant. All in all, AP behaved unlikely in each combination, and a significant difference was observed in crossability of AP accessions (P
ISSN:2356-6140
1537-744X
1537-744X
DOI:10.1100/2012/297545