Abstract
POLLEN VIABILITY STATUS IN SELECTED MEDICINAL PLANTS OF APOCYNACEAE FAMILY

Mahendra Pal Singh* and Ravindra Singh

ABSTRACT

Information on pollen viability is a pre-requisite for carrying out a meaningful crop improvement programs. The present investigation on pollen viability was performed in the Department of Biological Sciences, M.G.C.G.V., Chitrakoot, Satna (M.P.). Five medicinal plants of Apocynaceae family (i.e. Thevetia peruviana, Nerium indicum, Catharanthus roseus, Carissa carandus and Rauvolfia serpentina) were used for the estimation of pollen viability. Acetocarmine staining method was applied to study the pollen viability. The average pollen viability was varied from 66% to 87%. The highest percentage (87%) of viable pollens was recorded in Thevetia peruviana which revealed that this genus has a normal meiosis and the lowest percentage of pollen viability (66%) was obtained in Rauvolfia serpentina. Among the selected species, Thevetia peruviana, Catharanthus roseus and Carissa carandus are distinguished for high pollen viability and can be successfully used as male parents in hybridization.

Keywords: Pollen, Viability, Apocynaceae, Acetocarmine, Chitrakoot.


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