PJB-2011-328
GENETIC DIVERSITY IN RADISH GERMPLASM FOR MORPHOLOGICAL TRAITS AND SEED STORAGE PROTEINS
SHAKEEL AHMAD JATOI1*, ASIF JAVAID1, MUHAMMAD IQBAL2, OBAID ULLAH SAYAL2, M. SHAHID MASOOD1 AND SADAR UDDIN SIDDIQUI1
Abstract
Genetic variation of forty-nine local and exotic radish genotypes including two checks was studied for morphological traits and seed storage protein electrophoresis using sodium dodecylsulphate polyacrylamide gel electrophoresis (SDS-PAGE) markers. A high variation in germplasm for root shape, root length, root colour (internal and external), flesh texture and root type was observed. Among these genotypes, the genetic variation was apparent for most of the characters like plant biomass, root weight, leaf length, root length and root diameter that indicated the potential for crop improvement in these traits through simple selection. Exotic germplasm exhibited higher variation for plant biomass, root weight and root length which could be utilized through breeding programme. Cluster analysis on the basis of genetic diversity for seven quantitative traits resulted into four clusters. No clustering was found on the basis of origin. Low level of variance was observed for SDS-PAGE electrophoresis that suggested acquisition of more germplasm. On the basis of high yield and crispy root texture some genotypes (10076
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