作物分子设计育种_万建民.pdfVIP

32 3 　　　 Vol.32, No.3 2006 3 　455～ 462 ACTA AGRONOMICA SINICA pp.455-462 　Mar., 2006 1, 2 万建民 1 2 ( , 100081; , 210095) 　:、、。 , ;, , , 。 ;“”, 、;, ; 。 , , ()(), 、 , , “”、“”, 。 :; :Q78 Perspectives of Molecular Design Breeding in Crops WAN Jian-Min1, 2 1 2 (In titute of Crop Science , Chine e Academy of Agricultural Science , Beijing 100081;State Key Laboratory of Crop Genetic and Germpla m Enhancement, Nanjing Agricultural Univer ity, Nanjing 210095, Jiang u, China) Abstract:Breeding and exten ion of new cultivar with good qualitie , multiple re i tance , tre tolerance , and high yielding are e ential to fulfill the food afety in China.However, mo t crop breeding activitie are till ba ed on vi ual and phenotypic election, where the breeder experience play a major role, and the breeding efficiency i extremely low.On the other hand, a large amount of biological data keep accumulating dramatically a the rapid development in biotechnology and genomic .But the breeder have no idea how to integrate thi information in their traditional breeding program due to the lack of appropriate tool and method .Molecular de ign breeding fir t tudie the dynamitic behavior from multiple level among all component con i ting of a plant, and their interaction with environment during development.And then a blueprint of pecific cultivar meeting particular breeding objective i de igned, and the optimum trategy to reach the blueprint i provided.Therefore, by under tanding the genetic ba i of all agronomically important trait and the allelic variation at tho e loci, the breeder would be able to de ign uperior genotype at their requirement `in silico.By de ign breeding, th