Title
Individual selection in a genetic test with 43 advanced progenies of camu-camu Myrciaria dubia Kunth (McVaugh) in floodable plot near Iquitos, Peruvian Amazon
Date Issued
01 July 2020
Access level
open access
Resource Type
journal article
Author(s)
Alves-Chagas E.
Cardoso-Chagas P.
Melo V.F.
Publisher(s)
Universidad Nacional de Trujillo
Abstract
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.
Start page
345
End page
355
Volume
11
Issue
3
Language
English
OCDE Knowledge area
Agricultura
Subjects
Scopus EID
2-s2.0-85090478438
Source
Scientia Agropecuaria
ISSN of the container
2077-9917
Sponsor(s)
Acknowledgements We express our gratitude to CAPES – Coorde-nação de Aperfeiçoamento de Pessoal de Nível Superior, Governmental Agency of Brazil and CNP for the scholarship granted to the first author of the research and CNPq for the productivity grant to researcher Edvan Chagas. Also, to the IIAP for supporting, the development of research on camu-camu and the author's doctoral training.
Sources of information:
Directorio de Producción Científica
Scopus