FLOWER AND MOLECULAR MARKERS USED IN DETERMINING SEX IN SIMAROUBA GLAUCA (A PARADISE TREE)B. Kisan, N.K. Shruthi, B.S. Janagoudar, Parasurama Janagiri, R. Lokesha and Miriam
Simarouba glauca is a tree born oilseed crop. It belongs to the family Simaroubaceae and is a native of El Salvador (Central America). Simarouba is polygamodioecious with three types of plants namely Pistillate (Female flowers), Staminate (Male flowers) and Andromonoecious (Male dominated bisexual flowers), usually flowers after 3 - 4 years after planting. The waiting time from sowing to flowering is long; hence growers need to ensure that a seedling is a female for good harvest. The determination of the sex of Simarouba seedling prior to the flowering stage would avoid the need for removing undesired sex types from the field as only five percent male or andromonoecious plants in a field are sufficient for pollination. The simarouba saplings were planted at UAS, Raichur for their sexes by using floral biology and OPD -20 RAPD primer was used to differentiate female from the male plants .and further OPD 20 and other primers evaluation study in underway. The review of literature also suggested that of literature also suggested that two SCAR markers and various RAPD have been available to differentiate the sexes.
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