Genetic divergence study for different traits in groundnut

Abstract

The present investigation was conducted during summer 2018, to study the genetic divergence for different traits among F5 progenies of eight crosses of groundnut. The investigation was conducted with compact family block design with two replication at All India Co-ordinated Research Project on Groundnut, Mahatma Phule Krishi Vidyapeeth, Rahuri, Dist. Ahmednagar (M.S.). Total forty genotypes were grouped in seven clusters. Cluster I with 12 genotypes emerged as the largest cluster followed by cluster V with 10 genotypes and cluster II and IV with 6 genotypes, cluster VI with 4 genotypes. Remaining two clusters (III and VII) were monogenotypic. Cluster V exhibited maximum intra cluster distance i.e. (D=14.37), followed by cluster VI, cluster I, cluster II and cluster IV. Being monogenotypic, remaining clusters showed no intra cluster distance. Maximum inter cluster distance was found between cluster II and V, followed by V and VII and IV and VI It was observed that cluster II had the lowest cluster mean for days to 50% flowering and maturity. Cluster V had the highest cluster mean for number of branches per plant, number of matured pods per plant also lowest mean for number of immature pods per plant, highest shelling %, sound mature kernel (%) and dry pod yield per plant. Cluster VII had the mean for haulm yield per plot. Cluster IV had the highest mean for hundred kernel weight. Cluster III had the highest mean for traits oil percent and protein content.