Evolving gene pools in crop plants |
| |
Authors: | J Smartt |
| |
Institution: | (1) Department of Biology, The University, S09 5NH Southampton, England |
| |
Abstract: | Summary The three gene pool system can be applied usefully to the whole range of crop plants. The primary gene pool (GP1) show varying degrees of fragmentation. No morphological discontinuity is apparent between wild and cultivated Lathyrus sativus but clear discontinuities have developed between conspecific wild and cultivated Phaseolus and Vigna species. Further discontinuities can develop in cultigens where disruptive selection has been practiced, as in Beta vulgaris, Linum usitatissimum and Brassica oleracea where more than one distinct crop has evolved within a single biological species. Each such crop has developed its own distinctive gene pool. |
| |
Keywords: | Gene pools: primary secondary tertiary Arachis hypogaea Beta vulgaris Brassica oleraceae Lathyrus sativus Linum usitatissium Phaseolus species Vicia faba |
本文献已被 SpringerLink 等数据库收录! |