The present study was under taken to investigate the genetic distance and the performance of thirty one potato genotypes in diverse environments.Multivariate and canonical analysis were used to study genetic diversity...The present study was under taken to investigate the genetic distance and the performance of thirty one potato genotypes in diverse environments.Multivariate and canonical analysis were used to study genetic diversity among the genotypes and stability parameters were estimated according to Eberhart and Russell,Parkinge and Jinks and Freeman and Perkins models for plant height,branch number per plant,tuber number and tuber weight.Thirty one genotypes were grouped in to six clusters with the help of Mahalonobis distance and canonical analysis.The stability analysis revealed that yield was greatly influenced by the environments.Most of the studied genotypes were sensitive for yield with the environment.For over-all performance 'Hera','Chamak','Patnai','Lala pakri','TPS-7','TPS-364','Somerset' and 'Superior' were the best genotypes for tuber yield and breeding material for potato breeding.展开更多
文摘The present study was under taken to investigate the genetic distance and the performance of thirty one potato genotypes in diverse environments.Multivariate and canonical analysis were used to study genetic diversity among the genotypes and stability parameters were estimated according to Eberhart and Russell,Parkinge and Jinks and Freeman and Perkins models for plant height,branch number per plant,tuber number and tuber weight.Thirty one genotypes were grouped in to six clusters with the help of Mahalonobis distance and canonical analysis.The stability analysis revealed that yield was greatly influenced by the environments.Most of the studied genotypes were sensitive for yield with the environment.For over-all performance 'Hera','Chamak','Patnai','Lala pakri','TPS-7','TPS-364','Somerset' and 'Superior' were the best genotypes for tuber yield and breeding material for potato breeding.
