Turmeric Cv. Salem is the popular cultivar of turmeric growing in Tamil Nadu, Karnataka, Andhra Pradesh and Maharashtra. The demand for planting of this cultivar is huge and tissue culture technology ensures the mass production of a large quantity of disease free true-to-type plants from a single parent plant. The present study was carried during the year 2017-18 to standardize the tissue culture protocol for turmeric to obtain aseptic tissue culture plantlets. Surface sterilization of the explants was effectively achieved by HgCl2 treatment with 0.10% for 15 minutes as it resulted in highest culture establishment (59.99%) with minimum bacterial and fungal contamination. Among the different treatments used for shoot proliferation, MS medium fortified with BAP 2mg/l and IAA 0.2mg/l gave significantly maximum response (94.44%). Maximum in vitro rooting (91.17%) were observed with ½ strength MS medium containing IBA 2mg/l. The rooted plantlets were hardened for 25 days under polytunnel with different media.
with an objective to study the correlation and path analysis studies in Brinjal (Solanum melongena L.). The direct and indirect effects of yield components on fruit yield per plant in brinjal. In C-I fruit length (0.8351) and plant height (0.1554) recorded highest direct positive effects on fruit yield per plant. The major contribution of fruit length on fruit yield per plant was intensified further by positive indirect effect through plant height (0.06560 and fruit width (0.0265). The direct effect of plant height on fruit yield per plant was mainly increased by the indirect effects through fruit length (0.3572) and fruit width (0.0246). In C-II fruit length (0.9324), number of fruit per cluster (0.3028) and number of fruit per plant (0.2544) recorded highest direct positive effects on fruit yield per plant. The major contribution of fruit length on fruit yield per plant was intensified further by positive indirect effects through plant height (0.0233) and per cent fruit set (0.0321). The direct effect of number of fruit per cluster on fruit yield per plant was mainly increased by the indirect effects through per cent fruit set (0.0321). The direct effect of number of fruit per plant on fruit yield was intensified further by positive indirect effects through number of fruit per cluster and fruit width.
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