Growth and Productivity of Sugarcane Varieties Under Various Irrigation Levels

Costa, Cícero Teixeira Silva; Saad, João Carlos Cury; Júnior, Hélio Moreira da Silva

doi:10.1590/1983-21252016v29n420rc

Cited by 8 publications

(7 citation statements)

References 16 publications

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“…Mean number of living leaves (NLL) under irrigation water depths (% ETc) × varieties and number of tillers (NT) under irrigation water depths (% ETc) × cultivation cycles did not result in a higher number of tillers (Table 2). Costa et al (2016) found that the NT is higher under a replacement depth of 100% ETc compared to larger water replacement depths. Regarding the varieties, it is observed that RB72454, in the plant cane cycle, had the lowest NT, while in the ratoon cane cycle this variety differ from the others evaluated (Table 3).…”

Section: Resultsmentioning

confidence: 90%

Efficient irrigation management in sugarcane cultivation in saline soil

Simões

Oliveira

Salviano

et al. 2021

Rev. bras. eng. agríc. ambient.

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The objective of this study was to evaluate the influence of leaching fraction on the biometric and production characteristics and technological quality of the juice of sugarcane varieties grown in saline soil in the Brazilian semiarid region. The experimental design was in randomized blocks, with three repetitions, in a 2 × 3 × 3 factorial scheme, corresponding to two sugarcane cultivation cycles: plant cane and ratoon cane; three sugarcane varieties: RB72454, SP943206 and VAT90212; and, three leaching fractions of irrigation water: 0; 9.1; and 16.6%. Number of living leaves, number of internodes, leaf area, stem diameter, plant height, number of tillers, yield, total soluble solids content (°Brix), percentage of industrial fiber, juice purity, juice Pol%, cane Pol% and total recoverable sugar were evaluated. At the end of the two crop cycles, water use efficiency was determined. The varieties SP943206 and VAT90212 showed higher yield under leaching fraction of irrigation water of 9.1% in both cycles, and higher water use efficiency values were observed for the variety VAT90212. Application of leaching fractions to reduce soil salinity does not promote changes in the technological quality of the sugarcane varieties RB72454, SP943206 and VAT90212.

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Section: Resultsmentioning

confidence: 90%

Efficient irrigation management in sugarcane cultivation in saline soil

Simões

Oliveira

Salviano

et al. 2021

Rev. bras. eng. agríc. ambient.

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“…This difference was 77%, so this trait has a high genetic influence, which can be confirmed by the non-significant effect of irrigation on this parameter. Tillering is a factor that affects sugarcane production and is linked to the genetic potential of each variety (Benett et al, 2011;Costa et al, 2016). As for TCH, the cultivars RB86-7515 and IACSP95-5000 had no significant increases when irrigated (Figure 2B).…”

Section: Resultsmentioning

confidence: 99%

“…Among them, the concentration of rainfall and drought in a few months can directly impact the yield of this crop. Some studies have pointed out soil water content as the main restriction factor for increases in sugarcane yield (Gonçalves et al, 2017;Costa et al, 2016).…”

Section: Sugarcanementioning

confidence: 99%

“…2021 Full, additional, and salvage irrigation strategies are still not widespread in sugarcane crops, but their benefits have proven to be many. The direct benefits of irrigation for sugarcane crops comprise mainly increased agricultural yield and ratoon longevity (Costa et al, 2016). Savings on land leasing and reduction in logistical transport costs can be considered as indirect benefits of irrigation.…”

Section: Sugarcanementioning

confidence: 99%

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Adaptation and Responsiveness of Sugarcane Cultivars Under Irrigated and Rainfed Production Systems

et al. 2021

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Sugarcane is grown in several countries and environmental conditions, and production increases should not only be based on the expansion of the cultivated area. As water is a limiting factor for sugarcane yield, irrigation is crucial to increase its yields. Thus, this study aimed to evaluate the agronomic performance of five sugarcane cultivars under irrigated and rainfed conditions and compare yields in each treatment with those of previous cycles. The experiment was carried out from July 2017 to July 2018, which stands for the fourth sugarcane harvest. It consisted of two irrigation factors (irrigated and rainfed conditions), and five sugarcane cultivars (CTC4, IACSP93-3046, RB86-7515, IACSP95-5000, and IAC91-1099). Irrigation was applied to supply 100% of crop evapotranspiration. Irrigation increased sugarcane yields, and such increases varied with the genotype and crop cycle evaluated. In general, the cultivars most responsive to irrigation were IACSP93-3046 and IACSP95-5000, regardless of the evaluation cycle, and CTC4 from the fourth harvest onwards. Irrigation did not interfere with sugarcane technological quality if harvested after the middle of the crop season (June). Cultivars with higher tillering capacity, such as CTC4, had improved yield stability throughout the cycle when under irrigated conditions.

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“…The genotypes 'IAC5000' and 'IAC1099' were the only cultivars that presented a higher TCH under RDI, with increases of 36.7% and 16.84%, respectively, in relation to the treatment without irrigation. This occurs because the response of the cultivars to irrigation is variable (Costa et al, 2016), especially when the management of this is with the deficit of depth. Water-deficit-tolerant cultivars present greater a stomatal control and photosynthesis rate than those of sensitive genotypes (Graça et al, 2010).…”

Section: Resultsmentioning

confidence: 99%

Productivity, Technological Attributes and Water Use Efficiency of Sugarcane Cultivars Under Regulated Deficit Irrigation

Coelho¹,

Dalri²,

Landell³

et al. 2018

JAS

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Irrigation systems with high water application uniformity, adapted cultivars, and management of regulated deficit irrigation (RDI) are some ways to increase water use efficiency in agriculture. RDI is a practice that aims to provide a smaller amount of water than that consumed by crops without significantly affecting agricultural yield. Objectives of this study were to evaluate the technological characteristics (Bx, Juice POL, Fiber, TRS and Cane POL), water use efficiency (WUE), number of stalks, and sugar and stalk yield of five sugarcane cultivars subjected to RDI and non-irrigation. The experiment was conducted at the School of Agricultural and Veterinatian Sciences, São Paulo State, Brazil. The treatments were distributed in a partially balanced incomplete-block design. The RDI provided 50% of the evapotranspiration water by the crop. At each 30 mm water deficit a 15 mm depth was applied. The evaluated sugarcane cultivars were ‘CTC 4’, ‘IACSP 93-3046’, ‘RB 86-7515’, ‘IACSP 95-5000’, and ‘IAC 91-1099’. The total irrigation depth applied during the cycle was 180 mm. The RDI reduced the technological characteristics of sugarcane. However, it increased the productivity of the stalks and sugar, and did not change the number of stalks per hectare, nor the water use efficiency. Among the cultivars, ‘IAC91-1099’ showed the highest sugar yield (21.81 t ha-1), stalk yield (146.5 t ha-1), and water use efficiency (146.7 kg ha-1 mm-1). The cultivar ‘CTC4’ showed little responsiveness to RDI, presenting a lower number of stalks per hectare and water use efficiency in relation to its growth under non-irrigation conditions.

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Growth and Productivity of Sugarcane Varieties Under Various Irrigation Levels

Cited by 8 publications

References 16 publications

Efficient irrigation management in sugarcane cultivation in saline soil

Efficient irrigation management in sugarcane cultivation in saline soil

Adaptation and Responsiveness of Sugarcane Cultivars Under Irrigated and Rainfed Production Systems

Productivity, Technological Attributes and Water Use Efficiency of Sugarcane Cultivars Under Regulated Deficit Irrigation

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