In climacteric fruits and in Figure 6. [ Links ], COSTA, N. P. et al. The possible causes of physiological fruit abscission (June drop) in peach (Prunus persica), which occurs between late Stage 2 and early Stage 3, was investigated for two years. 722 778 611 0 722 556 667 722 722 0 0 0 667 0 0 0 EX HORMEN/MATURACAO DE FRUTOS E QUALIDADE FISIOLOGICA DE SEMENTES DE Physalis ixocarpa BROT. Growth. The seed is the main form of propagation and, according to Cedeño and Montenegro (2004), in addition to environmental and agronomic factors, the quality of the seeds is one of the factors that influence the production of excellent fruit. endobj 8 0 obj /StemV 77 According to Carvalho and Nakagawa (2000), seeds which are not fully mature may germinate, however they are not as vigorous as those which are physiologically mature. A fruit must have an optimum degree of ripeness so as to be consumed. Physiological and biochemical analyses included measurements of carotenoid, FAC (fatty acid composition) and ethylene production. The Origin of the Inflorescence and the Development of the Flowers B. It was observed that there was no significant increase in 1000 seed weight as maturation progressed from stage A to stage B (green calyx and yellow fruit), when the greatest seed weight was reached. 89 f. Tese (Doutorado em Agronomia/Produção e Tecnologia de Sementes) - Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista, Jaboticabal, 2003. The life of fruit and vegetables can be conveniently divided into three major physiological stages following germination. Londrina: ABRATES, 1999. /Filter [/FlateDecode] Storage conditions (e.g. /ItalicAngle 0 /Descent -216 The maturation stage did not affect the percentage of germination or seed vigour in Physalis peruviana. << Revista Brasileira de Sementes, v. 32, n. 3, p. 17-24, 2010. /Leading 150 The maturation stage did not affect the percentage of germination or seed vigour in Physalis peruviana. The physiological characteristics of the seeds were determined by germination testing, seedling dry weight, germination speed index, seedling emergence in the field and emergence speed index. /Subtype /Link >> A period of very rapid cell division, but very little increase in fruit size (stage I), is followed by a period of rapid increase in size as small, newly differentiated, dense cells develop vacuoles and assume their roles as specific tissues (stage II). 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Universidad Nacional de Cajamarca. 0 0 611 0 0 0 0 0 0 0 0 0 0 0 0 0 /Rect [60.719 128.977 147.84 120.206] •The series of processes from the initiation of growth to death of a plant or plant part. 11 0 obj 0 0 611 0 0 500 556 722 0 0 0 0 0 0 0 0 /FontBBox [-558 -307 2000 1026] The temperatures and luminosities were alternated between 30 ºC with light for 16 hours and 20 ºC without light for eight hours, with evaluations carried out seven and 28 days after planting (BRASIL, 2009); Seedling dry weight - obtained from the previous evaluation after drying at 65 ± 5 ºC to constant weight, with the results expressed in grams (NAKAGAWA, 1999); Germination speed index (GSI) - obtained by a daily count starting from germination of the first seedling, with the GSI being calculated according to Maguire, cited by Nakagawa (1999); Seedling emergence - conducted in a greenhouse using four replications of 50 seeds, sown in styrofoam trays, with Plantimax ® commercial substrate. In: KRZYZANOWSKI, F. C.; VIEIRA,R. In California fruit development is much slower. /A <> 6 0 obj /Border [0 0 0] /StemH 77 (2004), the weight of the fruits is linearly related to their degree of development and maturation. Características físico-químicas de physalis em diferentes colorações do cálice e sistemas de condução. 0 0 0 444 500 444 500 444 333 500 500 278 278 500 278 778 xÚ­ZK“ÛF’¾÷¯¨#8фña_,µe‡wí­ÕÚÃJ{@E  ‚­žÛÖÁaEø¤ûä÷edSÝöLì^ø ª²²òñå£êÝE`–ϯ/?ŒÌõüb*?ÒÌ\ß^¤™Ÿ%&/R–˜ëo.¾ø64¹_„…¹^\¼ñ~š„©g÷õ$J½~7‰C¯4WõÇI8óšIxs¾)Í$žyϖ“$ðº¶ùßI’z›zŽå¥ÙOŠÐóM’N¢Ì»4o&Qèŗf‹¾I|ÇÓ4)0ñÒü< 3oXO¢À›ö owø¼4a2ùsýo²™. (2010) observed in seeds of the maxixe, the largest increase in seed dry weight at the same time as the greatest reduction in water content, which according to the same author, would suggest a likely indicator of physiological maturity. /A <> /AP <<>> The physiological characteristics of the seeds as a function of the stage of maturation of the fruit are shown in Table 3. It belongs to the Solanaceae family and in Brazil is considered as a refined fruit having high added value. During this phase, the growth plateau at S2 matches the stone lignification process (Dardick et al., 2010). /A <> 0 0 921 722 667 667 722 611 556 722 722 333 389 722 611 889 13 0 obj 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 However, Vidigal et al. FRUIT DEVELOPMENT. Developing pineapple fruit were analyzed at weekly intervals, two lots in 1958 and four lots in 1963. Revista Rural, n. 38, p. 11-12, 2008. /C [0 0 0] 0 0 0 500 556 444 556 444 333 500 556 278 333 0 278 833 B.(Ed. Fruit growth stops during cool winter months and resumes again at a low rate during spring, but the final size of fruit is considerably smaller than that attained in the tropics. The diameter, length and dry weight of the fruit of Physalis peruviana were greater with increased physiological maturity. /AP <<>> /Length 5034 /AP <<>> For fruit dry weight, lower values were seen only at the first stage (A) and remained constant at the other stages of maturation ( Table 1 ). Low RH accompanied by high or excess of temperature will generally cause a problem. ; MONTENEGRO, D.M. During the stages of odontogenesis, many physiological processes occur. /Encoding /WinAnsiEncoding >> Introduction. endobj Both spring and summer harvests were included. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 500 500 500 0 389 389 278 500 444 0 444 444 0 0 0 0 Estádio de maturação dos frutos e substratos na germinação de sementes e desenvolvimento inicial de plântulas de jabuticabeira. Each of these products require fruit at different stages of development or ripening ranging from early immature to red ripe fruit depending the number of days post anthesis (dpa) . Physiological Studies on Fruit Development by Means of Ovule Transplantation in vivo - August 28, 1964 Abstract Young fertilized ovules belonging to different species, genera, and families were transplanted onto pepper placenta and grown in vivo to mature, viable seeds. Climacteric. In this context, it can be seen that the physiological maturity of the seeds may have occurred during the change from stage B (green calyx and yellow fruit) to stage C (yellowish-green calyx and yellow fruit), when the greatest seed dry weight and reduction in water content were recorded respectively. 7 0 obj /FontDescriptor 9 0 R 0 0 0 722 0 722 0 0 0 667 0 0 0 0 0 0 can be attributed to fruit drop during different stages of growth and development. /Type /FontDescriptor Morfologia de sementes e desenvolvimento pós-seminal de Physalis angulata L. Revista Acta Botância Brasílica, v. 24, n. 4, p. 1082-1085, 2010. Physical evaluations were determined using the diameter, length and dry-weight of the fruit, and the 1000-seed weight and water content. (A--F) Cascada stained with Sudan IV to visualise the cuticle. /BaseFont /TimesNewRomanPS-ItalicMT [ Links ], VIDIGAL, D. S. et al. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 /ItalicAngle -16.399 Light microscopy photographs of fruit epidermis from four genotypes of tomato at several stages of development. The possible causes of physiological fruit abscission (June drop) in peach (Prunus persica), which occurs between late Stage 2 and early Stage 3, was investigated for two years. 0 0 0 333 333 444 444 0 0 0 0 0 0 0 0 0 << Anais... Brasília, 2005. Revista Facultad Nacional de Agronomía, v. 60, n. 1, p. 3785-3796, 2007. Lima et al. /MaxWidth 1333 of the ‘floral stimulus Fruit‐set involves a series of physiological and morphological changes that are well described for tomato and Arabidopsis, but largely unknown for sweet pepper (Capsicum annuum). /Widths [ 250 0 0 0 0 0 0 0 0 0 0 0 0 0 A blender was used for extracting the seeds, separating the peel, pulp and seed by difference in density; the seeds being deposited on the bottom of the container due to their greater density. 0 0 0 500 0 500 500 500 500 0 0 0 500]>> /LastChar 121 /Ascent 891 The species originated in the Andes in South America, and is known as Physalis in Europe, North America and Brazil, as Uchuva in Colombia and Hosuky in Japan. /FontName /TimesNewRomanPS-ItalicMT /Widths [ 250 0 0 0 0 833 778 0 333 333 500 0 250 333 Exotic fruits. Physical and physiological analyses of fruit development for parental lines and introgression lines in Lgb and Bgb. 1C ). The following five stages of maturation were studied: green calyx and fruit (A); green calyx and yellow fruit (B); yellowish-green calyx and yellow fruit (C); straw-coloured calyx and yellow fruit (D); straw-brown calyx and intensely yellow fruit (E). Tesis Ing. Physalis seeds were obtained from plants grown on the School Farm at UEL, located at 23º18' S and 51º09' W, at an altitude of 560 m. The climate is classified as Cfa (humid mesothermal) according to the Köppen-Geinger classification. 556 500 500 0 389 389 278 556 444 0 0 444]>> /FirstChar 32 /Type /Annot (2009), when studying the physico-chemical characteristics of physalis in five different colourations of calyx and conducting system, obtained greater fruit diameter at phase five of calyx colouration (brownish yellow), this however only differed from the fruit at stage 1 (green calyx). Alexandre et al. /FirstChar 32 /Encoding /WinAnsiEncoding (2006), the maturation process of the seeds in fleshy fruits such as the Solanaceae, continues after harvesting making early collection of the fruit possible. Stages of child development are important measures of growth and maturity. Em frutos carnosos como o Physalis, em que as sementes são a principal forma de propagação, há divergências quanto ao estágio fisiológico adequado de colheita para obtenção de sementes de qualidade. The physical characteristics of the fruit were determined in a sample of 15 fruits selected at random, by measurement of the diameter and length of the fruit (mm) at different stages of maturation. [ Links ], LOPES, J. C.; DIAS, P. C.; PEREIRA, M. D. Maturação fisiológica de sementes de quaresmeira. In: CURSO SOBRE TECNOLOGIA DE PRODUÇÃO DE SEMENTES DE HORTALIÇAS, 5., 2005, Brasília. << Using seeds of Physalis peruviana with seven different stages of fruit colouration in the regions of San Raimundo and Subia in Colombia, the authors obtained evidence of germination 30 days after the start of fruiting (green calyx and fruit), however, with low germination percentages (35 %). >> /Leading 150 /LastChar 243 /StemV 77 This fruit is medicinally important due to the presence of vitasteroids, known as physalin (SOUZA et al., 2010), in addition to its nutritional and economic value, making it an excellent choice for both the domestic and international markets (VELASQUEZ; GIRALDO; ARANGO, 2007). /CapHeight 662 Between stages B and E, the average for fruit dry weight did not differ statistically. Thereafter, attention is focused upon the salient events which determine the alternative courses of development with a view to designating the chemical and physiological stimuli that may be required. >> [ Links ], SILVEIRA, M. A. M; VILLELA, F. A.; TILLMANN, M. A. /FirstChar 32 On the outside of the skin is the bloom, or waxy layer, that helps to prevent water loss. /StemH 77 Although employed, the water content of the seeds is not an adequate indicator of physiological maturity, due to environmental and genetic influences (Medeiros et al., 2010). physiological, environmental, and genetic determinism on the appearance of flower bud anomalies, in relation to phe-nological development of flower buds, from the beginning of differentiation to blooming time. Higher RH /LastChar 237 /StemH 77 /FontDescriptor 11 0 R Generally speaking, there are 6 stages for tooth development: Initiation Stage Variance analysis was carried out on the data from the variables under study, and the averages were compared by Tukey test at 5% significance (BARBIN, 2003) employing the SISVAR statistical software. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 later stages of fruit development and ripening. 0 0 0 722 0 0 0 0 0 0 0 0 0 0 0 0 [ Links ], MEDINA, D. Estudio Morfo - Fisiológico de la semilla de Physalis peruviana (Tomatillo) y el efecto de cuatro sustratos y dos bioestimulantes en el enraizamiento de esquejes. John O’Neill. /FontName /TimesNewRomanPSMT For fruit dry weight, lower values were seen only at the first stage (A) and remained constant at the other stages of maturation (Table 1). five stages of maturation were studied: green calyx and fruit (A); green calyx and yellow fruit (B); yellowish-green calyx and yellow fruit (C); straw-coloured calyx and yellow fruit (D); straw-brown calyx and intensely yellow fruit (E). 15 0 obj O diâmetro, comprimento e massa seca dos frutos de Physalis peruviana foram maiores com maior maturidade fisiológica.