Caracterização morfoagronômica de progênies de guaranazeiro

Abstract

The guaraná (Paullinia cupana var. Sorbilis (Mart.) Ducke) is a native plant valued by Amazonian peoples, especially by Sateré-Maue tribe in northern Amazon region on the border with the state of Pará. Research shows that guaraná has stimulating and therapeutic properties that make it an important input for chemical refrigerants, pharmaceutical, and cosmetics. The aim of the study was to evaluate genetic, estimate variance components for morphological characteristics, and production of guaraná progenies. In the experiment conducted in the city of Maués-Am / EMBRAPA were evaluated 36 progenies brothers guaraná means in experimental design of randomized blocks with two replications and six plants per plot for agronomic characters and fruit yield (g.plant-1.year-1) arranged in two rows of three plants, spaced 5 m x 5 m. The analysis of quantitative character production (g.plant-1.year-1) was based on the average production over six years. The average of the best individual production was 28,355 g.plant-1.year-1, which is ten times higher than the state average productivity. Progenies have enough genetic diversity for selection of progeny and senior individuals with controlled crossings or intercross could generate a base population with high productivity and sufficient genetic diversity increases the likelihood of recovery of superior genotypes.