Abstract
Abstract Potentially useful levels of resistance to the leafminer, Liriomyza sativae Blanchard (= munda Frick), in Cucumis melo L. were identified in greenhouse and field studies in different years and widely separated locations. Resistant lines were identified as those having the least number of mines per leaf in a given test. Two apparently distinct sources of resistance were found in Plant Introduction (PI) 282448 from Africa and PI 313970 from India. In a single test of F1 hybrids the resistance of PI 282448 appeared to be controlled by recessive genes, while that of PI 313970 appeared to be controlled by partially dominant genes. Plant introductions from Central Asia and East Asia were, in general, the most susceptible.
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