Individual selection in a genetic test with 43 advanced progenies of camu-camu Myrciaria dubia Kunth (McVaugh) in floodable plot near Iquitos, Peruvian Amazon

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The research summarized and validated the individual selection of camu-camu (Myrciaria dubia (Kunth) McVaugh) plants. 43 progenies, previously selected in genetic tests and fields of producers of flood areas, were evaluated. Each progeny was installed in a row of 10 half-sister plants, with a space...

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Detalles Bibliográficos
Autores: Pinedo-Panduro, Mario, Alves-Chagas, Edvan, Paredes-Davila, Elvis, Abanto-Rodriguez, Carlos, Bardales-Lozano, Ricardo, Cardoso-Chagas, Pollyana, Melo, Valdinar, Del Castillo-Torres, Dennis, Panduro-Tenazoa, Nadia
Formato: artículo
Fecha de Publicación:2020
Institución:Universidad Nacional de Trujillo
Repositorio:Revistas - Universidad Nacional de Trujillo
Lenguaje:español
inglés
OAI Identifier:oai:ojs.revistas.unitru.edu.pe:article/3051
Enlace del recurso:https://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/3051
Nivel de acceso:acceso abierto
Materia:amazon rainforest
fruit food
genetic evaluation
genetic selection
tree breeding.
Descripción
Sumario:The research summarized and validated the individual selection of camu-camu (Myrciaria dubia (Kunth) McVaugh) plants. 43 progenies, previously selected in genetic tests and fields of producers of flood areas, were evaluated. Each progeny was installed in a row of 10 half-sister plants, with a space of 3x2 m. Using the SELEGEN (Reml / Blup) Model 63 program, four crops were analyzed, and individuals were selected for each of the 16 descriptors evaluated. For fruit yield, the Tipishca-Río Tigre population stood out, occupying 5 of the first 10 places. The individuals TT0725-4 (Tigre-Tipishca) turned out to be a natural recombinant for fruit yield / weight. And individual 64-8 turned out to be triple recombinant (yield / fruit weight / ascorbic acid). The descriptors with the highest genetic control with r ≥ 0.30 were: average fruit weight, brix degrees, plant height, number of basal branches and petiole length. The criteria of similarity of the morphological markers with the fruit yield are proposed as predictive indexes of productivity. The plant height at two years of age was the most important.
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