Abstract
Abstract Fifty-eight cambuci fruit accessions were collected and propagated by seeds. Forty fruits of each accession were collected and evaluated for longitudinal and transverse diameter, fruit weight, number of seeds, seeds weight, total soluble solids, % citric acid, ratio, pH, firmness, vitamin C, and color. The phenotypic correlation between the characters and the relative contribution of the characters for the divergence among accessions were estimated and quantified by the Euclidean genetic distance, and cluster analysis was carried out according to the Neighbour Joining Tree. The significant correlations between the variables allowed the use of indirect selection as an auxiliary tool in the process of domestication and breeding of this species. Weight of 1000 seeds presented the greatest variation and contributed the most with genetic diversity. The expansion of the variability and the association of characters of interest can be promoted by the hybridization of the most divergent accessions, 14 and 43.
Highlights
Campomanesia genus belongs to the Myrtaceae family
Analysis of variance of the evaluated fruit characters revealed the existence of genetic variability among the accessions (Table 1)
This fact corroborated the estimate of the total variation due to treatments
Summary
Native fruit species of the genus Campomanesia have potential for commercial cultivation, according to their desirable agronomic characters, such as high yield and high soluble solids (Oliveira et al 2011). Its shape is not uniform, it has potential for industrialization for the production of juices, jams and fermented foods, due to its quality attributes, such as high-yield pulp, high acidity, and reasonable concentrations of ascorbic acid (Vallilo et al 2005). The large industrial and commercial potential of cambuci fruit tree is the amount of pectin in the pulp. This polysaccharide has high gelling power, a very important property of some proteins used in many industrial foods, such as gelatin gels, candy, textured vegetable protein, jellies, etc (Andrade et al 2011). In 2006, the Cooperative of Producers of Cambuci and Derivates of Rio Grande da Serra (Cooper Cambucy da Serra) was founded, which brings together 21 members, in Received: 14 June 2016 Accepted: 28 June 2016
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