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Sample Dimension for Evaluating Characters of Yellow Mombin

Agricultural Sciences 2019年第8期10卷 1032-1038页

作者： Omar Schmildt Vinicius de Souza Oliveira Renan Garcia Malikouski Adriel Lima Nascimento Karina Tiemi Hassuda dos Santos Hérica Chisté Gleyce Pereira Santos Marcio Paulo Czepak rodrigo sobreira alexandre Edilson Romais Schmildt Postgraduate Program in Tropical Agriculture Federal University of Espírito Santo S&#227 o Mateus ES Brazil Departament of Agrarian and Biological Sciences Federal University of Espírito Santo S&#227 o Mateus ES Brazil Departament of Forest and Wood Science Federal University of Espírito Santo Jer&#244 nimo Monteiro ES Brazil

The objective of this study was to determine the sample size needed to evaluate characters of mature fruits of yellow mombin (Spondias mombin L.). 100 fruits were evaluated from plants grown under a shading system. In the laboratory, these fruits were measured by the characters: longitudinal length (mm);equatorial diameter (mm);fruit mass (g);yield of pulp (%);total soluble solids—TSS (°Brix);titratable acidity—TA (% citric acid) and ratio (TSS/TA), being calculated the measures of central tendency and dispersion, and verified normality. Next, the sample size for each character was determined. For experimental evaluation of cajámirim fruits, considering an accuracy of 10% around the mean, 40 fruits per treatment should be evaluated, considering a completely randomized experiment.

关键词： Spondias mombin L. Error of Estimation Sampling

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Characterization of Fruits in Contrasting Environments and Germination of Tamarillo Seeds at Different Temperatures

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American Journal of Plant Sciences 2018年第1期9卷 23-33页

作者： Khétrin Silva Maciel Paula Aparecida Muniz de Lima Fernando Zanotti Madalon Simone de Paiva Caetano Bucker Moraes Patrícia Alvarez Cabanez Nathália Aparecida Braganca Fávaris Allan Rocha de Freitas Nohora Vélez Carvajal rodrigo sobreira alexandre Jose Carlos Lopes Federal University of Espírito Santo UFESAlegreBrazil

Tamarillo (Solanum betaceum Cav. Syn Cyphomandra betacea Cav.) Sendt is a small tree native to the subtropical Andean region of South America from Colombia to Chile, popularly known as arboreal tomato, belonging to the family Solanaceae. The objective of this study was to evaluate the physicochemical characteristics of fruits and the germination of tamarillo (Solanum betaceum) seeds produced in the Caparaó-ES and MG regions. The following procedures were performed: Fruit and peel biometrics;fruit weight;pulp and peel weight;thousand-seed weight, pulp and peel yield and fruit dry mass. In the physicochemical analysis, the following parameters were determined: pH;soluble solids;titratable acidity and ratio. For the analysis of the physiological quality of the seeds, different temperatures (20°C;25°C;30°C and 20°C - 30°C) were evaluated in the presence and absence of light and the following was determined: Seed moisture content;germination;germination speed index;germination mean time;shoot length;root and total seedling dry mass. Tamarillo in the region of Caparaó-ES presents greater chemical characteristics of the fruits, germination and vigor, and in the region of Caparaó-MG presents greater physical characteristics of the fruits. Tamarillo can germinate both in the presence and absence of light, although in the presence of light, it presents greater vigor.

关键词： Solanum betaceum Temperatures Brightness and Biometric

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