Combining Ability Analysis of Fruit Characters with Sweet Pepper as an Example.

Abstract

Selection of parents based on combining ability is an important approach to cross breeding, so understanding the genetic control of key traits can ensure the efficiency of breeding programs. Plant vigor (VOP), stalk length (PEL), pericarp thickness (PT), fruit length (FL), fruit diameter (FD), fruit weight per plant (SFW) and yield per plant (FY) were analyzed in 9 hybrid combinations. The results showed that the GCA and SCA effects were significant except for all traits. Except for single fruit weight and pericarp thickness, the ratios of other traits were significant. The five crosses showed high SCA effect values for different traits, suggesting that the further selection of parents should be based on the GCA effect.