Abstract
ABSTRACT Delicate nature of potato seedlings is one of the most dominating factors hindering the adoption of True Potato Seed (TPS) for seedlings transplant crop. In the present study, possibilities of developing hardy TPS families were explored wherein hardiness was evaluated in terms of seedlings' transplant survival. Genetic variability and herit-ability were reasonably high for characters contributing to hardiness. Seedlings of cultivated species were hardier and had better performance than those of wild species for characters important to transplant survival. Among various root and shoot characters studied, seedling vigour was the major contributor to hardiness. Circinnate and inverted “U” shaped embryos were present in more than 90% seeds of both hybrid and open-pollinated families, and these two classes of seeds were at par to each other and better than rod shaped embryos for all characters including transplant survival and tuber yield. Though hybrid families were, in general, more productive, sele...
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