Abstract
Abstract Passiflora cincinnata Mast. or Caatinga passion fruit is widely cultivated in the northeastern semi-arid regions of Goiás, Minas Gerais, and Bahia. The system of cultivation and field management of the Passiflora species affects the physicochemical quality of its fruits. In this study, we evaluated the chemical and physico-chemical characteristics of the fruits of 2 progenies (CPEF2220 and CBAF2334) of P. cincinnata species using the vertical and horizontal trellis system. Fruits were collected from the plants at their physiological maturation stage and tested for the fruit skin color and texture and the pH, total soluble solids, titratable acidity, pulp acidity ratio, and the contents of flavonoids, anthocyanins, and polyphenols in the seedless fruit pulp. The experimental design was completely randomized in a 2 x 2 factorial scheme (progenies x conduction system) performed in 3 replications using 4 plants in each. The analysis of variance and the means were compared using the Tukey’s test at 5% probability. The results revealed that the CBAF2334 fruits presented with greener pigments and greater flavonoids. The fruits were characterized by their green color with some yellowish nuances and a low color saturation in both the progenies. The conduction system was not found to affect the physical and physicochemical characteristics as well as the anthocyanin and polyphenol contents of the studied species. The fruits of plants cultivated on vertical trellis presented with 56.73% more flavonoid content than those cultivated on horizontal trellis.
Highlights
Passiflora cincinnata Mast. bears green-colored fruits (IMIG, 2013) and its fruit pulp is characterized to have acidic pH
The BRS Sertão Forte (BRS SF) variety developed by Embrapa has been made available in the market; this variety is a result of the cross of 2 select plant progenies that are adapted to the semiarid region, namely, the CBAF 2334 and CPEF 2220 (EMBRAPA, 2016)
The positive effects of the selected progenies CPEF 2220 and CBAF 2334 in the 2 conduction systems were evaluated, but no effect of the interaction was noted between the progenies and the adopted conduction systems
Summary
Passiflora cincinnata Mast. bears green-colored fruits (IMIG, 2013) and its fruit pulp is characterized to have acidic pH. Bears green-colored fruits (IMIG, 2013) and its fruit pulp is characterized to have acidic pH. This fruit is popularly known as the passion fruit of the bush (JESUS; FALEIRO, 2016), the passion fruit of brabo, the passion fruit of green shell, the passion fruit-shark (OLIVEIRA;RUGGIERO, 2005), and the passion fruit of the Caatinga (EMBRAPA, 2016). Among the several commercially important Passifloras occurring in Brazil, P. cincinnata possess significant commercial potential (FALEIRO et al, 2017). For this purpose, it is deemed important to develop genetically superior cultivars of this species and optimize the production system. The BRS Sertão Forte (BRS SF) variety developed by Embrapa has been made available in the market; this variety is a result of the cross of 2 select plant progenies that are adapted to the semiarid region, namely, the CBAF 2334 and CPEF 2220 (EMBRAPA, 2016)
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