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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo; Embrapa Rondônia. |
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Data corrente: |
07/12/2018 |
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Data da última atualização: |
07/12/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ESPINDULA, M. C.; PASSOS, A. M. A. dos; ARAUJO, L. F. B.; MARCOLAN, A. L.; PARTELLI, F. L.; RAMALHO, A. R. |
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Afiliação: |
MARCELO CURITIBA ESPINDULA, CPAF-RO; ALEXANDRE MARTINS ABDAO DOS PASSOS, CNPMS; Larissa Fatarelli Bento Araújo, Bolsista; ALAERTO LUIZ MARCOLAN, CPAF-RO; Fábio Luiz Partelli, Universidade Federal do Espírito Santo; ANDRE ROSTAND RAMALHO, CPAF-RO. |
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Título: |
Indirect estimation of leaf area in genotypes of 'Conilon' coffee (Coffea canephora Pierre ex A. Froehner). |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Australian Journal of Crop Science, v. 12, n. 6, p. 990-994, 2018. |
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DOI: |
10.21475/ajcs.18.12.06.PNE1090 |
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Idioma: |
Inglês |
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Conteúdo: |
Leaf area is an important parameter in agronomic and physiological studies; thereby, the techniques used for its determination should be simple, fast and accurate. The objective of this study was to evaluate the efficiency of an equation for the indirect determination of leaf area in 'Conilon' (Coffea canephora) genotypes cultivated in the Western Amazon. The experiment was carried out in Porto Velho, Rondônia, in August and September 2011. It was arranged in a completely randomized 2 × 15 factorial design combining two methods of determining leaf area (estimated and actual) and fifteen 'Conilon' coffee genotypes, with 64 replicates. The estimated leaf area was determined by the equation LA = 0.3064 × Age-0.0556× LMR-2.0133(R2=0.98), developed by Partelli et al. (2006), while the actual leaf area was obtained from images of leaves scanned into digital format using an image scanner. The genotypes belong to the Coffee Breeding Program at Embrapa Rondônia. The efficiency of the equation for determining leaf area of 'Conilon' coffee varies according to the genotype evaluated; therefore, the equation must not be used without prior calibration. As the species is a perennial crop and the number of commercial genotypes widely accepted by farmers is restricted, the validation of the equation or the development of new equations capable of estimating the leaf area of the cultivated genotypes can help in the management of coffee plantationsn. |
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Palavras-Chave: |
Lâmina de folha. |
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Thesagro: |
Área Foliar; Café; Coffea Canephora; Genótipo. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/187961/1/Indirect-estimation.pdf
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Marc: |
LEADER 02242naa a2200253 a 4500
001 2100949
005 2018-12-07
008 2018 bl uuuu u00u1 u #d
024 7 $a10.21475/ajcs.18.12.06.PNE1090$2DOI
100 1 $aESPINDULA, M. C.
245 $aIndirect estimation of leaf area in genotypes of 'Conilon' coffee (Coffea canephora Pierre ex A. Froehner).$h[electronic resource]
260 $c2018
520 $aLeaf area is an important parameter in agronomic and physiological studies; thereby, the techniques used for its determination should be simple, fast and accurate. The objective of this study was to evaluate the efficiency of an equation for the indirect determination of leaf area in 'Conilon' (Coffea canephora) genotypes cultivated in the Western Amazon. The experiment was carried out in Porto Velho, Rondônia, in August and September 2011. It was arranged in a completely randomized 2 × 15 factorial design combining two methods of determining leaf area (estimated and actual) and fifteen 'Conilon' coffee genotypes, with 64 replicates. The estimated leaf area was determined by the equation LA = 0.3064 × Age-0.0556× LMR-2.0133(R2=0.98), developed by Partelli et al. (2006), while the actual leaf area was obtained from images of leaves scanned into digital format using an image scanner. The genotypes belong to the Coffee Breeding Program at Embrapa Rondônia. The efficiency of the equation for determining leaf area of 'Conilon' coffee varies according to the genotype evaluated; therefore, the equation must not be used without prior calibration. As the species is a perennial crop and the number of commercial genotypes widely accepted by farmers is restricted, the validation of the equation or the development of new equations capable of estimating the leaf area of the cultivated genotypes can help in the management of coffee plantationsn.
650 $aÁrea Foliar
650 $aCafé
650 $aCoffea Canephora
650 $aGenótipo
653 $aLâmina de folha
700 1 $aPASSOS, A. M. A. dos
700 1 $aARAUJO, L. F. B.
700 1 $aMARCOLAN, A. L.
700 1 $aPARTELLI, F. L.
700 1 $aRAMALHO, A. R.
773 $tAustralian Journal of Crop Science$gv. 12, n. 6, p. 990-994, 2018.
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/08/1992 |
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Data da última atualização: |
09/03/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
FIGUEIREDO, E. A. P. de; SIMPLICIO, A. A.; PANT, K. P. |
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Afiliação: |
Élsio Antônio Pereira de Figueiredo, CNPC; Aurino Alves Simplício, CNPC; Kant Prasad Pant, Consultor IIC / Embrapa. |
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Título: |
Evaluation of sheep breeds for early growth in tropical north-east Brazil. |
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Ano de publicação: |
1982 |
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Fonte/Imprenta: |
Tropical Animal Health and Production, v. 14, n. 4, p. 219-223, 1982. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Three breeds of sheep, Brazilian Somali, Morada Nova and Santa Inês which are indigenous to hot tropical semi-arid northeast Brazil were studied for their early growth. There were large breed differences in size at birth, at the 86th day and at 6 months. The Santa Inês was the largest and the Brazilian Somali the smallest. The type of birth (single vs. multiple) had a profound effect on weight at virtually ail stages of growth which was similar for male and female lambs. Sex effects tended to become significant at around the 86th day, female lambs slightly outweighing males but marked sex differences appeared around 6 months when males outweighed females. The 7-day variation in age of lambs when the weights were taken around the 15th day had a marked effect on weight and correction for age would be necessary in future studies. However, the 7-day variation in age around the 86th day and thereafter did not affect the weights. The birth weight and weights at the 15th, 86th and 112 days and at 6 months were significantly correlated. |
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Palavras-Chave: |
Brasil; Female animals; Native species; Nordeste; Northeast; Peso corporal; Raça nativa. |
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Thesagro: |
Espécie nativa; Ovino; Peso ao nascer. |
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Thesaurus NAL: |
Animal genetics; Birth weight; Body weight; Brazil; sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01908naa a2200325 a 4500
001 1514123
005 2015-03-09
008 1982 bl uuuu u00u1 u #d
100 1 $aFIGUEIREDO, E. A. P. de
245 $aEvaluation of sheep breeds for early growth in tropical north-east Brazil.
260 $c1982
520 $aAbstract: Three breeds of sheep, Brazilian Somali, Morada Nova and Santa Inês which are indigenous to hot tropical semi-arid northeast Brazil were studied for their early growth. There were large breed differences in size at birth, at the 86th day and at 6 months. The Santa Inês was the largest and the Brazilian Somali the smallest. The type of birth (single vs. multiple) had a profound effect on weight at virtually ail stages of growth which was similar for male and female lambs. Sex effects tended to become significant at around the 86th day, female lambs slightly outweighing males but marked sex differences appeared around 6 months when males outweighed females. The 7-day variation in age of lambs when the weights were taken around the 15th day had a marked effect on weight and correction for age would be necessary in future studies. However, the 7-day variation in age around the 86th day and thereafter did not affect the weights. The birth weight and weights at the 15th, 86th and 112 days and at 6 months were significantly correlated.
650 $aAnimal genetics
650 $aBirth weight
650 $aBody weight
650 $aBrazil
650 $asheep
650 $aEspécie nativa
650 $aOvino
650 $aPeso ao nascer
653 $aBrasil
653 $aFemale animals
653 $aNative species
653 $aNordeste
653 $aNortheast
653 $aPeso corporal
653 $aRaça nativa
700 1 $aSIMPLICIO, A. A.
700 1 $aPANT, K. P.
773 $tTropical Animal Health and Production$gv. 14, n. 4, p. 219-223, 1982.
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Embrapa Caprinos e Ovinos (CNPC) |
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