Browsing by Author "Balasubramaniam, S."
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Item Foliar, floral and abaxial leaf epidermal characteristics of Piper nigrum L. & P. longum L(1980) Samuel, M.R.A.; Bavappa, K.V.A.; Balasubramaniam, S.The two species, P- nigrum and P. longum show distinct foliar, floral and anatomical differences. The shape of leaf, type of venation, presence of trichomes, length and nature of spike, its sex composition, shape of bract, length of guard cells, length and breadth of epidermal cells, and stomatal index are the major distinguishing eatures of these two species. The possibility of using leaf epidermal pattern for the identification of wild and cultivated varieties oj pepper has been indicated. Tht polygamodioecious P. nigrum has been found to include plants with only bisexual, bisexual and female, bisexual and male, total female and only male flowers in the spikes. The scope for improving the yield of pepper plantations has been discussed in the light of the above variation in sex composition