In the world, about 14% of the higher plant species (c.35,000) are in cultivation to some degree. And in India, presumed estimate of plants in cultivation is approximately 4,000 taxa. Productivity of most of the economically important crops is indicating an almost straight line, and the known genetic resources within a particular crop can be delimiting factor for any further scope in its improvement. To attain overall sufficiency in food, fodder and fibre in the ...
