Author(s): M. SETUA, T. SENGUPTA, A. SARKAR, A. GHOSH AND M.K.GHOSH

Abstract: A physio-biochemical study was conducted at CSR& TI, Berhampore, West Bengal, for identification of photosynthetic efficient mulberry genotypes, maintained in the Germplasm Bank under irrigated, Gangetic alluvial soil conditions the data of 6 crops in two consecutive years (2006 and 2007) revealed that among the tetraploids studied (twenty), the genotype T-30 was found to be superior in respect to photosynthesis (14.18 µ mol m-2 s-1), total chlorophyll (1.91 mg g-1 fresh weight), total soluble sugar (47.7 mg g-1 fresh weight), leaf moisture content (81.06%) and Leaf area (103.4 cm2), while genotype T-36 was found superior in respect to total soluble protein (33.9 mg g-1fresh weight) content in leaf only. The efficient mulberry genotypes thus selected through photosynthesis and other important physio-biochemical parameters could be exploited for future breeding programme for improvement of mulberry productivity and quality.

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