Abstract
The aim of this study was to characterize the development of flowers and fruits in native species of the family Myrtaceae based on the BBCH scale in search for unique and unpublished information about the Brazilian flora. The study was conducted in the Native Fruit Collection of the Federal Technological University of Parana, Campus Dois Vizinhos. We carried out photographic monitoring of eight species of the family Myrtaceae: pitanga tree, araçá-amarelo tree, cereja-da-mata tree, jabuticaba tree, ubajaí tree, guabiju tree, guabiroba tree, and sete-capote tree. The phenological stages follow the general BBCH scale for fruit species, in which the complete cycle of plant development is subdivided into 10 main phases. This study is the first to describe the phenological stages of these species according to the BBCH scale, which facilitates verification of all phases of different vegetative and reproductive stages of the investigated species. Such scales may serve as important and useful tools for appropriate management of orchards, and thereby improved fruit cultivation.
Highlights
Brazil stands out as one of the main centers of genetic diversity of wild fruit trees in the world
The study was conducted in the Native Fruit Collection of the Universidade Tecnológica Federal do Paraná, Campus Dois Vizinhos
We studied eight species of Myrtaceae family: Eugenia uniflora L., Psidium cattleianum Afzel. ex Sabine, Eugenia involucrata DC., Plinia cauliflora
Summary
Brazil stands out as one of the main centers of genetic diversity of wild fruit trees in the world. Native fruit species of the Myrtaceae family are most popular because of their technological potential. They are often found in commercial and domestic orchards and occupy a prominent place in natural ecosystems (Simarelli, 2007), which increases research interest as well as nutritional value and fruit quality, thereby promoting the research and industrialization sector. All Brazilian species of the Myrtaceae family belong to the tribe Myrteae, which includes species that produce fleshy fruits. This family of woody plants is representative of the vegetation formations of Brazil, especially in the Atlantic Forests (Landrum & Kawasaki 1997). Few studies have been carried out on native fruits of the Myrtaceae family, even though research, of their phenology, is essential for domesticating these species
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