Sources of resistance to leafminer in melon germplasm
2025
Sabrina Cesarin de Oliveira | Elaine Facco Celin | Ariana Veras de Araújo | Lucas Mikael Matias Teixeira | Fernando Antonio Souza de Aragão | Patrik Luiz Pastori
Abstract The objective of this work was to assess sources of resistance to leafminer in melon plant germplasm and identify the most recommended variables associated with antixenosis resistance. A total of 32 genotypes were evaluated for resistance by antibiosis: larval and pupal viability, and antixenosis: mines per leaf, per plant, and per area, in choice and no-choice tests in the laboratory and through morphological characteristics. 'Festival' hybrid is the most promising source of resistance to the leafminer due to antibiosis; however, none of the evaluated genotypes show antixenosis. Mines per area is the most reliable variable to evaluate resistance to leafminers by antixenosis in melon germplasm.
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