Abstract Microalgae are considered a rich source of biostimulants for plants, as an excellent business opportunity for the agricultural sector, as they can activate plant metabolism, contributing to the improvement in physiological performance, phytomass and, subsequently, vigor and quality of seedlings. The objective of this work was to evaluate the potential of Spirulina platensis biomass, in enabling improvements in physiological performance, phytomass and, subsequently, vigor and quality of cashew rootstock seedlings. The experiment was carried out in a greenhouse in a completely randomized design, in a 4 x 2 factorial scheme (concentrations x rootstock), with three replications. The concentrations used were 0%, 0.04%, 0.08%, and 0.12% and the FAGA and CCP 76 genotypes. The seeds were immersed in the solutions for 12 hours. Applications were made via the leaves at 30 days after sowing (DAS), with an interval of seven days between each application and at 90 DAS evaluations were made. The FAGA and CCP 76 genotypes showed a positive response to the supply of S. platensis, with concentrations 0.04% and 0.08% which provided greater root length, aerial part length, number of leaves, diameter and leaf area. Concentrations 0.04% and 0.08% also promoted better percentages in the physiology of the CCP 76 genotype, while the FAGA genotype showed opposite action, which may be related to the mode of action of the microalgae on the different genetic and phenotypic characteristics of each genotype. The 0.12% concentration provided greater accumulations of aerial part and total dry mass to the genotypes.

Abstract The use of biodegradable coatings to conserve fruits and vegetables stands out in the food industry. This study aims to evaluate the postharvest quality of papaya Formosa 'Tainung 01' submitted to different coating formulations, to establish the one that best maintains the postharvest quality. The fruits, distributed in a completely randomized design, received the coatings composed of aqueous solution of agar and pomegranate seed oil in the following compositions (with 6 treatments and 5 replicates): T1: 0.5% agar and 0.1 mL/L oil; T2: 1.0% agar and 0.2 mL/L oil; T3: 1.5% agar and 0.3 mL/L oil; T4: 2.0% agar and 0.4 mL/L of oil; T5: 2.5% of agar and 0.5 mL/L of oil; and T6: Control, uncoated. The experiment lasted ten days packing at 17.5 ± 0.6 °C and 55 ± 3, 2% RH. T4 provided better conservation of the quality attributes in papaya. Fruits in this treatment showed higher vitamin C content, higher soluble solids and total sugars, and lower titratable acidity, important characteristics for product acceptance. Besides, T4 better conserved the green (external) color of the fruits, while fruits submitted to the other treatments acquired a yellowish coloration.

RESUMOInventário das espécies de Cerambycidae, numa área de Caatinga, no município de Aracatu - Bahia, entre os meses de agosto de 2012 a julho de 2013. Os insetos foram coletados utilizando armadilha luminosa, busca ativa e armadilha de pano branco. Foram coletados 716 indivíduos de Cerambycidae; destes, 665 foram identificados em 107 espécies, 84 gêneros, 30 tribos e 3 subfamílias. As espéciesPhaedinus carbonelli Monné, 1999,Lepturges (Lepturges) fasciculatoides Gilmour, 1962,Hoplistonychus bondari Melzer, 1930,Ataxia arenaria Martins & Galileo, 2013 são novos registros para a Bahia;Nesozineus obscurus Hoffmann, 1984 é um novo registro para o Brasil. Cerambycinae apresentou a maior riqueza, representando 56% das espécies. Esses resultados contribuem para o conhecimento da fauna dos cerambicídeos no Brasil.

ABSTRACTSpecies of Cerambycidae were inventoried in an area of Caatinga (dryland) vegetation in the municipality of Aracatu, Bahia State, Brazil, between August/2012 and July/2013. The insects were collected using light traps, active searches, and white cloth trapping. A total of 716 specimens of Cerambycidae were collected; 665 of them were identified as belonging to 107 species, 84 genera, 30 tribes, and 3 subfamilies. The speciesPhaedinus carbonelli Monné, 1999,Lepturges (Lepturges) fasciculatoides Gilmour, 1962,Hoplistonychus bondari Melzer, 1930,Ataxia arenaria Martins & Galileo, 2013 were new records for Bahia;Nesozineus obscurus Hoffmann, 1984 is new record for Brazil. The subfamily Cerambycinae demonstrated the greatest richness, with 56 species. These results contribute to our knowledge of the Cerambycidae fauna of Brazil.