首页|IDENTIFICATION OF ACCESSIONS OF LABLAB PURPUREUS SUBSP. PURPUREUS AND L. P. SUBSP. UNCINATUS USING CHARACTERS OF FOLIAR STOMATA AND TRICHOMES
IDENTIFICATION OF ACCESSIONS OF LABLAB PURPUREUS SUBSP. PURPUREUS AND L. P. SUBSP. UNCINATUS USING CHARACTERS OF FOLIAR STOMATA AND TRICHOMES
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NSTL
Lablab purpureus (L.) Sweet (Leguminosae: Papilionoideae), an underutilized leguminous vegetable, considered native to India, tropical Africa and Madagascar, is a field crop throughout southern India. Two subspecies of Lablab purpureus, namely, subsp.uncinatus and. subsp. purpureus have hidden potential as food supplements and exhibit variations in different geographical, ecological and climatic conditions. The study to assess the role of foliar trichomes and stomatai features in the identificationof these two subspecies examining 50 accessions of Lablab purpureus from Kerala and Tamil Nadu, using light and scanning electron microscopy, revealed variations in eglandular trichomes and the length and width of subsidiary cells of paracytic stomata between the two subspecies. Numerical analysis and phenogram obtained from the study establishes the further the distinction between the two subspecies. A key to the subspecies was provided for easy identification based on micromorphology of their foliar epidermis.
NSTL
