Determination of the optimum temperature for germination and seed vigour of hybrid tomato

Abstract

An experiment was conducted to assess the effect of temperature variation (200c, 250c and 300c) in five parents (Pusa Rohini, Azad Type-2, KS-7, KS-229 and Azad Type-3) and their 10 hybrids (Pusa Rohini x Azad Type-2, Pusa Rohini x KS-7, Pusa Rohini x KS-229, Pusa Rohini x Azad Type-3, Azad Type-2 x KS-s, Azad Type-2 x KS-229, Azad Type-2 x Azad Type-3. KS-7 x KS-229, KS-7 x Azad Type-3 and KS-229 x Azad Type-3) on quality seed parameters, at seed testing laboratory, Department of Seed Science & Technology, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, during 2011-12 & 2012-13. Study revealed that among the parents, Pusa Rohini and among the hybrids, Pusa Rohini x Azad Type-2 combination at 200c was found to be over all best for exhibiting highest germination, seedling dry weight and vigour index.