GENETIC ANALYSIS OF YIELD AND AGRO-MORPHOLOGICAL TRAITS IN CMS BASED HYBRIDS OF RABI SORGHUM

D. SHIVANI AND CH. SREELAKSHMI

Agricultural Research Station,

Tandur, RR Dt-501141,(India)

(E mail ID: rishith_sree@rediffmail.com)

(Received: 7 August 2013; 23September 2013)

SUMMARY

Seed yield is a complex character governed by several contributing characters. Hence, variability and the extent of variation along with heritability were assessed for seed yield and its seven attributing traits in CMS based rabi sorghum hybrids. The study indicated moderate heritability coupled with low to high genetic advance for various traits. Character association was studied to assess the relationship among yield and its component characters for enhancing the usefulness of the selection criterion to be followed. The study revealed that most of the yield attributing traits viz., days to 50% flowering, days to maturity, panicle length and test weight exhibited positive significant correlation with seed yield. Path analysis revealed that panicle length, number of leaves per plant, test weight and fodder yield exhibited positive direct effects on seed yield at phenotypic level.

Key words: Variability, yield attributing traits, heritability, genetic advance, rabi sorghum.

38(4) 234-238