Inheritance of Resistance to Alternaria Leaf Blight in Muskmelons

Abstract

Muskmelon (Cucumis melo L.) breeding line AC-82-37-2 was identified as having resistance to alternaria leaf blight caused by Alternaria cucumerina (Ell. and Ev.) Elliot. An analysis of this resistance with a three-factor scaling test indicated that both additive and dominance effects were highly significant. The x 2 value indicated that there were epistatic effects as well. The six-factor scaling test revealed no significant dominance effect, but the additive and homozygote × heterozygote epistatic interaction effects were highly significant.