The effect of crop start date, crop class and cultivar on sugarcane canopy development and radiation interception

Singels, A.; Smit, M. A.; Redshaw, K. A.; Donaldson, R. A.

doi:10.1016/j.fcr.2005.01.028

Cited by 72 publications

(67 citation statements)

References 13 publications

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“…This result indicates that the light extinction coefficient, the index of the light competition in the canopy, of 'Levanzo' was lower than that of 'Reiyou'. Cultivar differences in canopy development and radiation interception have been reported in sugarcane (Singels et al 2005). Higashide and Heuvelink (2009) reported that an increase in LUE, which determines the increase in yield, is caused by a decrease in the light extinction coefficient and an increase in the leaf photosynthetic rate.…”

Section: Discussionmentioning

confidence: 99%

An investigation of differences in fruit yield and components contributing to increased fruit yield in Japanese and Dutch tomato cultivars

Saito

Yin

Matsuoka

et al. 2011

Plant Biotechnology

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Section: Discussionmentioning

confidence: 99%

An investigation of differences in fruit yield and components contributing to increased fruit yield in Japanese and Dutch tomato cultivars

Saito

Yin

Matsuoka

et al. 2011

Plant Biotechnology

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“…These authors also report that sugarcane growth is affected by mean air temperature below 15 ºC. Therefore, most values in both evaluated cycles were adequate for crop development (Singels et al, 2005b). Tables 2 and 3 show the number of stalks per meter and stalk fresh matter along the ratoon cycles of the four evaluated cultivars.…”

Section: Resultsmentioning

confidence: 99%

Development, yield and quality attributes of sugarcane cultivars fertigated by subsurface drip irrigation

Silva

Pires

Ribeiro

et al. 2016

Rev. bras. eng. agríc. ambient.

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The present study aimed to evaluate the development, yield and quality of four sugarcane cultivars fertigated by subsurface drip system. The experiment was carried out in Campinas-SP, Brazil, from January 2012 to November 2013, with the cultivars SP79-1011, IACSP94-2101, IACSP94-2094 and IACSP95-5000 subjected to daily irrigations. The irrigations depths were applied to bring soil moisture to field capacity. Soil moisture was monitored using soil moisture probes. Samples were collected along the crop cycle in order to evaluate crop development and yield, at the end of the first and second ratoons. Stalk height showed good correlation for the estimation of crop yield, with R2 equal to or higher than 0.96. The cultivar IACSP95-5000 showed the highest yield in the first ratoon. In the second ratoon the highest yield was observed in IACSP94-2101, followed by IACSP95-5000 and SP79-1011. Considering the yield results associated with the technological analysis, such as soluble solids content and apparent sucrose, the cultivar IACSP95-5000 excelled the others in the cultivation under subsurface drip irrigation.

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“…Outros aspectos, que podem estar associados a essa redução da TAL são a progressiva expansão foliar, o aumento da taxa de respiração de manutenção e a elevação da temperatura ambiente (Parsons et al, 1983;Woldge and Leafe, 1976 (Figura 2A). O valor médio de f RFA , para o ciclo da cana-deaçúcar, foi 73% superior aos observados para as cultivares NCo376 e CP66/1043 no ciclo de cana-soca, para os cultivos iniciados em julho, como informado por Singels et al (2005). Segundo estes autores, a variedade NCo376, com início de cultivo em dezembro, apresentou valores médios de f RFA iguais a 75 e 79 %, no ciclo de canasoca e de cana-planta, respectivamente.…”

Section: Resultsunclassified

“…Por sua vez, os parâmetros de uso de radiação são caracterizados pelo índice de área foliar (IAF) (Farias et al, 2008), fração da radiação fotossinteticamente ativa interceptada (f RFA ) (Singels et al, 2005), coeficiente de extinção (ke) (Farias et al, 2008;Kiniry et al, 2005) e eficiência do uso de radiação (EUR) (Keating et al, 1999) e, ou, eficiência fotossintética (EFT) (Singels et al, 2005;Sinclair and Muchow, 1999). Esses indicadores também possibilitam a avaliação dos efeitos de diferentes práticas de manejo no crescimento das plantas (Silva et al, 2009).…”

Section: Introductionunclassified

Morphophysiological Indices and Radiation Use by an Irrigated Sugarcane Crop in the Brazilian Semi-Arid

Silva

Moura

Zolnier³

et al. 2014

Revista Brasileira De Geografia Física

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R E S U M OOs índices morfofisiológicos e parâmetros de eficiência do uso de radiação foram determinados para a cana-de-açúcar irrigada, RB92579. O experimento foi conduzido no município de Juazeiro-BA, Semiárido brasileiro. Foram obtidas medições de biomassa seca acumulada pelas folhas, colmos e total da parte aérea, e do índice de área foliar. Adicionalmente, dados de radiação solar global e de radiação fotossinteticamente ativa foram medidos acima e abaixo do dossel da cultura. Por meio desses dados foram calculados os índices morfofisiológicos, a fração da radiação fotossinteticamente ativa (f RFA ), o coeficiente de extinção (ke), o uso eficiente de radiação (UER) e a eficiência fotossintética (EFT Morphophysiological Indices and Radiation Use by an Irrigated Sugarcane Crop in the Brazilian Semi-Arid A B S T R A C TThe morphphysiological indices and parameters of radiation use efficiency were determined for irrigated sugarcane, RB92579 cultivar. The experiment was carried out in the district of Juazeiro, State of the Bahia, located in the Brazilian semi-arid. Measurements of dry biomass accumulated by leaves, stalk and total shoot, and leaf area index (LAI) were carried out. Additionally, global solar radiation and photosynthetic active radiation were measured above and below the crop canopy. Using these data, morphphysiological indices, the photosynthetic active radiation fraction (f PAR ), the extinction coefficient (ke), the radiation efficient use (REU) and the photosynthetic efficiency (PTE) were calculated. The absolute growth rate tended to increase substantially until reaching the maximum value of 41.8 g m -2 d -1 , which was observed 200 days after cutting (DAC). The maximum value of the f PAR was around 99%, remaining constant from 213 DAC until the end of the crop cycle. The magnitude of the ke parameter was 0.72. Based on measurements of DBTS, it was verified that the approximate values of the PTE and REU were 2.67 g MJ -1 and 1.29 g MJ -1 , respectively. Results showed that the irrigated sugarcane has excellent growth patterns when cultivated under semi-arid conditions when compared to others environments cited in literature.

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The effect of crop start date, crop class and cultivar on sugarcane canopy development and radiation interception

Cited by 72 publications

References 13 publications

An investigation of differences in fruit yield and components contributing to increased fruit yield in Japanese and Dutch tomato cultivars

An investigation of differences in fruit yield and components contributing to increased fruit yield in Japanese and Dutch tomato cultivars

Development, yield and quality attributes of sugarcane cultivars fertigated by subsurface drip irrigation

Morphophysiological Indices and Radiation Use by an Irrigated Sugarcane Crop in the Brazilian Semi-Arid

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