Nelumbo - The Bulletin of the Botanical Survey of India

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Biosystematics of Indian Plants IV: Portulaca oleracea and P. quadrifida in Punjab


Affiliations
1 National Botanic Gardens, Lucknow, India
 

A large collection of two polymorphic weeds, Portulaca oleracea Linn. and P. quadrifida Linn., originating from diverse sources, was cultivated under uniform conditions. This experiment revealed the extent and nature of be genetic variation in the two species. In the former there were found three qualitatively distinguishable variants all at hexaploid (n=27) level, while in the latter there were only two quantitatively distinct variants at 6x (n=27) and 12x levels. All these have been evaluated biosystematically.
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  • Biosystematics of Indian Plants IV: Portulaca oleracea and P. quadrifida in Punjab

Abstract Views: 221  |  PDF Views: 96

Authors

T. N. Khoshoo
National Botanic Gardens, Lucknow, India
Rajinder Singh
National Botanic Gardens, Lucknow, India

Abstract


A large collection of two polymorphic weeds, Portulaca oleracea Linn. and P. quadrifida Linn., originating from diverse sources, was cultivated under uniform conditions. This experiment revealed the extent and nature of be genetic variation in the two species. In the former there were found three qualitatively distinguishable variants all at hexaploid (n=27) level, while in the latter there were only two quantitatively distinct variants at 6x (n=27) and 12x levels. All these have been evaluated biosystematically.