Phenotypic variability and agronomic traits of açaí tree matrices in the state of Pará, Brazil

Autor: Bruno Kleidson da Silva Maia, Deivison Rodrigues da Silva, Pedro Silvestre da Silva Campos, Jessivaldo Rodrigues Galvão, Nilvan Carvalho Melo, Tiago Kesajiro Moraes Yakuwa, Vicente Filho Alves Silva, Rosemiro dos Santos Galate, Merilene do Socorro Silva Costa, Joel Correa de Souza
Rok vydání: 2019
Předmět:
Zdroj: Revista Ibero-Americana de Ciências Ambientais. 10:69-81
ISSN: 2179-6858
Popis: Açaí palm (Euterpe oleracea Mart.) is a native palm tree from the Eastern Amazon, Brazil. It is considered an economically viable source of anthocyanins for the dye and medicine industries. This study aimed to estimate the phenotypic variability and to select genotypes for genetic improvement. Descriptive statistics were used to estimate phenotypic variability. Truncated selection was performed for fruit production per bunch. The collected samples presented the highest fruit yield per cluster of all studied region. Number of fruits per cluster and stem circumference are possibly controlled by few genes. longitudinal fruit diameter may have recessive genes that are decreasing fruit size. Fruit weight, seed weight, pulp weight, number of stem per plant, total cluster length, fruit weight per cluster and pulp yield per fruit presented frequency distribution in favor of heterozygotes. There some characteristics controlled by few genes, with evidence of selection and spontaneous domestication of the matrices.
Databáze: OpenAIRE