Vol. 11, Issue 5 (2022)

Author(s):
Omesh Kumar, O Sridevi, GK Naidu and BC Patil

Abstract:
Iron deficiency chlorosis in groundnut is a common problem causes reduction in yield particularly in calcareous, alkaline and black soils. The association study in eleven groundnut genotypes and minicore was studied under iron deficient calcareous soil. The association study in mini core and eleven genotypes indicated significant negative correlation between VCR (Visual chlorophyll ratting) with all other iron absorption efficiency and productivity parameters (haulm weight and pod yield). The SCMR (Spade chlorophyll meter reading) has significant positive correlation with ferrous and chlorophyll (‘a’, ‘b’ and ‘total’) content and yield per plant.