The oviposition preference of Leucoptera coffeella is not determined by the cultivar of Coffea arabica, but it may influence some traits of its offspring performance

Santiago‐Salazar, César Miguel; Barrera, Juan F.; Rojas, Julio C.; Huerta‐Palacios, Graciela; Prado, Esteban

doi:10.1007/s11829-021-09840-6

Cited by 5 publications

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Characterization and levels of resistance in Coffea arabica × Coffea racemosa hybrids to Leucoptera coffeella

Costa,

Souza,

Carvalho

et al. 2024

J Pest Sci

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Coffee leaf miner (CLM) Leucoptera coffeella stands out as a primary insect pest of arabica coffee plants. Coffee breeding for CLM-resistance has used the species Coffea racemosa as gene donor for C. arabica, resulting in the development of the resistant commercial hybrid 'Siriema AS1'. However, no previous study has characterized the resistance, and whether there is variation in the levels expressed in progenies of 'Siriema' to CLM. This study aimed to characterize the type, by antixenosis or antibiosis, and the levels of resistance in segregating progenies of 'Siriema' plants to CLM. Experiments were conducted under laboratory conditions with arti cial infestation of CLM adults in oviposition cages, where dualchoice preference assays compared each tested 'Siriema' progeny with the susceptible cv. Arara. A follow-up no-choice assay evaluated ve selected 'Siriema' progenies on the development of CLM compared to 'Arara'. As main results, 'Siriema' progenies were equally susceptible to CLM oviposition, and were overall stimulant relative to cv. Arara. However, there was low CLM larval survival and injury intensity on the selected 'Siriema' genotypes, indicating the expression of moderate levels of antibiosisresistance, while 'Arara' and one 'Siriema' progeny were moderately susceptible. These ndings further our understanding on the type and levels of resistance in 'Siriema' genotypes, aiding the development of resistant coffee hybrids and deployment of management strategies to CLM. Key MessagesCoffee leaf miner (CLM), Leucoptera coffeella, is a key pest of coffee crops 'Siriema' hybrid is CLM-resistant, but the resistance has not yet been characterized Progenies of 'Siriema' were equally or more oviposited by CLM than cv. Arara Most progenies of 'Siriema' caused larval mortality and reduced injury of CLM 'Siriema' progenies express resistance to CLM with varying levels of antibiosis

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