Effect of different gamma rays and EMS concentrations on growth and yield of brinjal genotypes in M3 generation

Abstract

A field experiment was conducted at Horticultural Research
Farm, Department of Horticulture, Institute of Agricultural
Sciences, B.H.U., Varanasi, UP to investigate the effect of
different gamma rays and EMS concentrations on growth
and yield of brinjal genotypes in M3 generation. The
experimental material comprised of three genotypes of brinjal
i.e. Banarasi Gol, Kashi Taru and Kashi Uttam and the
different concentration of mutagens i.e. gamma rays (5, 10,
15 and 20kR) and EMS (0.05, 0.10, 0.15 and 0.20% EMS).
These mutagens were studied for growth, yield attributes
and yield of all three genotypes. The result recorded all the
growth and yield traits were decreased as the concentration
of both the mutagens increased. The 5kR gamma rays and
0.05% EMS was recorded superior with maximum value of
all characters in these treatments. The fruit yield per plant
was increased under 5kR by 39.77, 31.32 and 18.26 % and
under 0.05% EMS 6.62, 4.81 and 2.56% in Banarasi Gol, Kashi
Taru and Kashi Uttam, respectively over control. The overall
experimental findings showed that the seed treatments with
higher dose of mutagens were negatively responsive for all
characters including yield of genotypes.