Influence of the composition of encapsulation matrix of microshoots of banana (Musa sp.) cv. Prata-AnÃ gorutuba clone [InfluÊncia da composiÇÃo da matriz de encapsulamento de microbrotos de banana (Musa sp.) cv. Prata-AnÃ clone gorutuba]
Faria R.A.N.,Academicas do curso de Agronomia da Unimontes |
Costa A.M.,Academicas do curso de Agronomia da Unimontes |
Londe L.N.,EPAMIG Norte de Minas |
Silva J.F.,M. Science em Producao Vegetal do Semiarido |
Ribeiro E.B.,EPAMIG Norte de Minas
Revista Brasileira de Fruticultura | Year: 2014
Banana is the main fruit in the international trade and the most popular one in the world. The production of synthetic seeds comes highlighting itself as an important technique for the micropropagation and in vitro conservation of several species. The aim of this study was to evaluate the influence of the composition of the encapsulation matrix in the conversion of microshoots of banana cv. Prata Anã Gorutuba clone. The microshoots of banana cv. Prata-Anã Gorutuba clone were encapsulated being used in the sodium alginate matrix: water and MS (50% and 100%), added or not with active charcoal (1.5 g L-1) in two evaluation periods (15 and 30 days). Three levels of BAP (0, 3, 6 mg L-1) added or not to 2.5 mg L-1 of NAA were tested in two evaluation periods (15 and 30 days). The two experiments were entirely at random, being a factorial 3 x 2 x 2, with six repetitions and five encapsulated units per plot. On the fifteenth day evaluated the conversion, on the 30th day evaluated the conversion, the height and the rooting of the plants. The capsule constitution, when different MS medium concentrations were used, with or without the presence of active charcoal, did not influence the conversion rate nor plants height. The capsules without addition of growth regulators resulted in better microshoots conversion; however concentration of 3 mg L-1 BAP+2.5 mg L-1 NAA showed higher plant height. The strike rate is higher in capsules containing 100% MS, and active charcoal, and the capsules containing 0 and 3 mg L-1 BAP, regardless of the addition of NAA. On the 30th day greater conversion of synthetic seeds is obtained. © 2014, Sociedade Brasileira de Fruticultura. All rights reserved.
Post harvest characterization of bananas 'BRS Platina' first cycle under regulation of irrigation deficit [Caracterização pós-colheita de frutos de bananeira 'BRS Platina' de primeiro ciclo, sob regulação do déficit de irrigação]
Castricini A.,EPAMIG Norte de Minas |
Rodrigues M.G.V.,EPAMIG Norte de Minas
Revista Brasileira de Fruticultura | Year: 2012
The study had as objective the post harvest characterization of bananas cultivar BRS Platina that is a tetraployd hybrid AAAB developed by Embrapa. The crop was grown at North of Minas Gerais with reduction of irrigation water depths (L) from five months after planting. Seven treatments were evaluated with different combinations of water depth reductions (55%, 70% and 85%) during two phases of crop development (5 to 7 months and 7 to 12 months after planting) where fruits were characterized when completely yellow by: total soluble solids (tss), dropping, pulp strength, length and fruit diameter, pulp/peel ratio and color of peel (L*, C* and °h). The total soluble solids was larger on fruits of treatments T3 and T5, where there was reduction of irrigation water depth only in the phase II (flowering) for 70% and 85% of ETc. The larger pulp/peel relationship and the resistance to drop were observed when ETc was reduced by 25% in phase III (from the beginning of fruit growth to harvest). Stronger fruit were produced when ETc was reduced about 45%. The smaller fruit dropping was verified when the reduction was 45% and 30% in phase II and about 30% on phase III. The larger fruits, as in length as in diameter, the heaviest ones were produced with no water deficit along the whole crop cycle.
Castricini A.,Epamig Norte de Minas |
Santos L.O.,Brazilian National Council for Scientific and Technological Development |
Deliza R.,Embrapa Agroindustria de Alimentos |
Coelho E.F.,Embrapa Mandioca e Fruticultura Tropical |
Rodrigues M.G.V.,Epamig Norte de Minas
Revista Brasileira de Fruticultura | Year: 2015
The north of Minas Gerais is a major producer of irrigated ‘Prata Anã’ banana, which is highly susceptible to fusarium wilt. The use of resistant genotypes is an alternative, but the fruits have to present characteristics similar to the ‘Prata Anã’, to achieve better consumer acceptance. This study aimed at characterizing fruits in postharvest, and identifying consumer preference and intention to purchase ‘Prata’ banana genotypes. The banana genotypes: ‘Prata Anã’, ‘BRS Platina’ and ‘Fhia-18’ were characterized at the point of harvest (green) and when ripe (stage six of maturity), through chemical, physical and sensory evaluations. When green, the ‘BRS Platina’ had higher fresh weight and size than ‘Fhia-18’ and ‘Prata Anã’. Fruits of ‘Fhia-18’ had the green color of the skin more intense than ‘Prata Anã’ and ‘BRS Platina’. When ripe, ‘BRS Platina’ was firmer, but with the same dropping resistance of ‘Fhia-18’ and higher than ‘Prata Anã’. ‘Fhia-18’ presented the yellow skin color lighter than ‘Prata Anã but as bright as the latter, and ‘BRS Platina’ had a stronger yellow skin. Bananas ‘Fhia-18’ had a higher titrable acidity, ‘Prata Anã’ had the highest soluble solids. The genotypes ‘Prata Anã’ and ‘BRS Platina’ were preferred and had a higher consumer intention to purchase. Participants in the study preferred ‘Prata Anã’ banana in fingers, and ‘BRS Platina’ and ‘Fhia-18’ in fingers, bouquet, and bunch. However, the majority of consumers stated that they would buy ‘Prata Anã’ banana in bouquet and ‘BRS Platina’ and ‘Fhia-18’ in bunch. When green the genotypes were similar to ‘Prata Anã’, and higher chemical and physical differences occurred when they were ripened. © 2015, Sociedade Brasileira de Fruticultura. All rights reserved.