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Registro Completo |
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Biblioteca(s): |
Biblioteca Rui Tendinha. |
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Data corrente: |
20/08/2018 |
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Data da última atualização: |
20/08/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
POSSE, R. P.; VALANI, F.; SOUZA, C. A. S.; POSSE, S. C. P.; SALES, R. A. de.; OLIVEIRA, E. C. de.; QUARTEZANI, W. Z.; LEITE, M. C. T. |
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Afiliação: |
Robson Prucoli Posse, IFES Itapina; Francielly Valani, IFES Itapina; Carlos Alberto Spaggiari Souza, CEPLAC; Sheila Cristina Prucoli Posse, Incaper; Ramom Amaro de Sales, UFES; Evandro Chaves de Oliveira, IFES Itapina; Waylson Zancanella Quartezani, IFES Itapina; Marta Cristina Teixeira Leite, IFES Itapina. |
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Título: |
Basal Temperature and Thermal Constant for the Production of Cacao Tree Seedlings. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
JEAI, v. 25, n. 3, p. 1-16, 2018. |
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Série: |
2457-0591 |
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Idioma: |
Inglês |
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Conteúdo: |
The temperature is one of the climatic factors of greater importance in the physiological processes of the plants, being directly related to its growth and development, which need a thermal accumulation to complete its phenological cycles. The objective of this work was to evaluate the contribution of temperature to cacao tree seedlings (genotype TSH1188) development, thus determining its lower basal (Tb) and upper (TB) temperature as well as the thermal sum in degree-day (DD) required for its production with quality. The study was carried out in the Horticulture sector of the Federal Institute of Espirito Santo - Campus Itapina, Colatina/ES, conducted under a completely randomized design in three planting seasons with different climatic conditions. For the estimation of Tb, four different estimation methods were used: standard deviation in degree-day (SDdd), the standard deviation in days (SDd), the coefficient of variation in degree-day (CVdd) and relative development (RD). The upper basal temperature (TB) was estimated similarly to Tb, with the exception of the RD method. The basal temperatures (Tb and TB) were estimated by means of the average values obtained in the methods used and the thermal sum, obtained in each planting season, using the mean Tb value, from the emergence of the seedlings, by the sum of the degree-days. The estimated values of lower and upper basal temperature were respectively 10°C and 37°C and the mean thermal sum for a quality cacao tree seedling production is 1018°C. In order to obtain a production of quality cacao tree seedlings in different climatic conditions, it is possible to evaluate the development of the variables height, stem diameter and number of leaves of the cacao tree seedlings as a function of accumulated degrees. The time required for the production of cacao tree seedlings varies according to the season of the year. Cacao tree seedlings conducted in periods with higher temperatures took less time to form with quality. MenosThe temperature is one of the climatic factors of greater importance in the physiological processes of the plants, being directly related to its growth and development, which need a thermal accumulation to complete its phenological cycles. The objective of this work was to evaluate the contribution of temperature to cacao tree seedlings (genotype TSH1188) development, thus determining its lower basal (Tb) and upper (TB) temperature as well as the thermal sum in degree-day (DD) required for its production with quality. The study was carried out in the Horticulture sector of the Federal Institute of Espirito Santo - Campus Itapina, Colatina/ES, conducted under a completely randomized design in three planting seasons with different climatic conditions. For the estimation of Tb, four different estimation methods were used: standard deviation in degree-day (SDdd), the standard deviation in days (SDd), the coefficient of variation in degree-day (CVdd) and relative development (RD). The upper basal temperature (TB) was estimated similarly to Tb, with the exception of the RD method. The basal temperatures (Tb and TB) were estimated by means of the average values obtained in the methods used and the thermal sum, obtained in each planting season, using the mean Tb value, from the emergence of the seedlings, by the sum of the degree-days. The estimated values of lower and upper basal temperature were respectively 10°C and 37°C and the mean thermal sum for a quality cacao tree seedling ... Mostrar Tudo |
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Thesaurus NAL: |
Degree days; Genotype TSH1188; Heat units; Phenology; Theobroma cacao; Vegetative development. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://biblioteca.incaper.es.gov.br/digital/bitstream/123456789/3235/1/Posse2532018JEAI43321.pdf
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Marc: |
LEADER 02797naa a2200289 a 4500
001 1020658
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008 2018 bl uuuu u00u1 u #d
100 1 $aPOSSE, R. P.
245 $aBasal Temperature and Thermal Constant for the Production of Cacao Tree Seedlings.$h[electronic resource]
260 $c2018
490 $a2457-0591
520 $aThe temperature is one of the climatic factors of greater importance in the physiological processes of the plants, being directly related to its growth and development, which need a thermal accumulation to complete its phenological cycles. The objective of this work was to evaluate the contribution of temperature to cacao tree seedlings (genotype TSH1188) development, thus determining its lower basal (Tb) and upper (TB) temperature as well as the thermal sum in degree-day (DD) required for its production with quality. The study was carried out in the Horticulture sector of the Federal Institute of Espirito Santo - Campus Itapina, Colatina/ES, conducted under a completely randomized design in three planting seasons with different climatic conditions. For the estimation of Tb, four different estimation methods were used: standard deviation in degree-day (SDdd), the standard deviation in days (SDd), the coefficient of variation in degree-day (CVdd) and relative development (RD). The upper basal temperature (TB) was estimated similarly to Tb, with the exception of the RD method. The basal temperatures (Tb and TB) were estimated by means of the average values obtained in the methods used and the thermal sum, obtained in each planting season, using the mean Tb value, from the emergence of the seedlings, by the sum of the degree-days. The estimated values of lower and upper basal temperature were respectively 10°C and 37°C and the mean thermal sum for a quality cacao tree seedling production is 1018°C. In order to obtain a production of quality cacao tree seedlings in different climatic conditions, it is possible to evaluate the development of the variables height, stem diameter and number of leaves of the cacao tree seedlings as a function of accumulated degrees. The time required for the production of cacao tree seedlings varies according to the season of the year. Cacao tree seedlings conducted in periods with higher temperatures took less time to form with quality.
650 $aDegree days
650 $aGenotype TSH1188
650 $aHeat units
650 $aPhenology
650 $aTheobroma cacao
650 $aVegetative development
700 1 $aVALANI, F.
700 1 $aSOUZA, C. A. S.
700 1 $aPOSSE, S. C. P.
700 1 $aSALES, R. A. de.
700 1 $aOLIVEIRA, E. C. de.
700 1 $aQUARTEZANI, W. Z.
700 1 $aLEITE, M. C. T.
773 $tJEAI$gv. 25, n. 3, p. 1-16, 2018.
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Biblioteca Rui Tendinha (BRT) |
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| 1. |  | POSSE, R. P.; VALANI, F.; SOUZA, C. A. S.; POSSE, S. C. P.; SALES, R. A. de.; OLIVEIRA, E. C. de.; QUARTEZANI, W. Z.; LEITE, M. C. T. Basal Temperature and Thermal Constant for the Production of Cacao Tree Seedlings. JEAI, v. 25, n. 3, p. 1-16, 2018. 2457-0591| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
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