Tomato(Solanum lycopersicum)is one of the world’s most extensively cultivated crops,and has been the subject of hundreds of years of breeding and selection.Nevertheless,the genetic variability available for the breed...Tomato(Solanum lycopersicum)is one of the world’s most extensively cultivated crops,and has been the subject of hundreds of years of breeding and selection.Nevertheless,the genetic variability available for the breeding and improvement of tomato within the confines of the species is limited.This has been described as a“genetic bottleneck”(Miller and Tanksley 1990)and is due to the domestication history of the crop,particularly the transfer of select germplasm from South America to Europe in the 1500 s,followed by selections and return to the New World,again of limited germplasm(Knapp and Peralta 2016).展开更多
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文摘Tomato(Solanum lycopersicum)is one of the world’s most extensively cultivated crops,and has been the subject of hundreds of years of breeding and selection.Nevertheless,the genetic variability available for the breeding and improvement of tomato within the confines of the species is limited.This has been described as a“genetic bottleneck”(Miller and Tanksley 1990)and is due to the domestication history of the crop,particularly the transfer of select germplasm from South America to Europe in the 1500 s,followed by selections and return to the New World,again of limited germplasm(Knapp and Peralta 2016).
