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Paper Details

Influence of different methods of seed extraction on seed quality in cucumber [Cucumis sativus (L.)] cv.HASSAN LOCAL

H.N. CHETHAN1, P.J. DEVARAJU1, H.B. DINESH*, C.S. SHANTHARAJA1, P. DHANANJAYA1 AND S.J. SATHEESH NAIK1

Journal Title:International Journal of Agricultural Sciences
Abstract


The supply of quality seeds is the constraint in getting higher fruit yield for consumption. Raising the crop for good quality cucumber seed, method of seed extraction is most important to maintain the quality of seeds, which involves removal of pulp and gelatinous substance present around the seed with direct extraction, fermentation, acid extraction and alkali extraction. Improper seed extraction result in inferior seed quality hence, the study on influence of different methods of seed extraction on seed quality in cucumber [Cucumis sativus (L.)] cv. HASSAN LOCAL was carried out in the Department of Seed Science and Technology, University of Agricultural Sciences, GKVK, Bangalore. Crop was raised at the Vegetable Seed Production plot, Department of Horticulture, during Kharif, 2010 by adopting Randomized Complite Block Design, design with four replications following recommended package of practices. The study comprised of six treatments viz., E1 (Natural fermentation for 24 hours), E2 (Alkali extraction) E3 (1% Hcl), E4 (1.5% HCl), E5 (2% Hcl), and E6 (Control). The results revealed that the highest germination (94.50%), maximum mean seedling length (28.28 cm), highest mean seedling dry weight (12.53 mg), higher vigour index I (2671), vigour index II (1183), maximum field emergence (92%) and with low electrical conductivity (341?Sm-1) was recorded in E1. The study can concluded that the seed quality parameters in seeds extracted with natural fermentation is more appropriate for better seed quality in cucumber

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