Genetic diversity in Brassica species and Eruca sativa for yield associated parameters

2014 
Brassica species are vulnerable to narrow genetic base due to the ignorance of their wild relatives which possess many superior characters. This study was aimed to explore the genetic diversity in five Brassica species from U triangle as well as in their wild relative Eruca sativa. For the complete insight of genetic diversity, four accessions, each from five species of genus Brassica along with one species of Eruca collected from different geographical locations (exotic and indigenous) were selected. Six yield associated parameters viz., primary branches plant-1, plant height, main raceme length, silique length, silique width and silique main raceme-1 were studied. Highly significant variations among all species were observed. Mean performance showed that wild relative E. sativa was superior for primary branches plant -1 and plant height, which are the main yield associated traits. In case of Brassica species, B. campestris gave the lengthiest main racemes, B. nigra produced more silique main raceme-1 and B. carinata produced the longest and widest silique.
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