Yield potential and water use efficiency of aerobic rice (Oryza sativa L.) in Japan

Kato, Yoichiro; Okami, Midori; Katsura, Keisuke

doi:10.1016/j.fcr.2009.06.010

Cited by 163 publications

(95 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Belder et al, 2007;Bouman et al, 2005Bouman et al, , 2007Feng et al, 2007;Govindarajan et al, 2008;Kato et al, 2009;Tabbal et al, 2002;Xue et al, 2008). Various authors report that flush irrigation (FI) of rice can reduce irrigation water deliveries by up to 60%, compared to continuous submergence (CS), albeit with a yield loss of 10% to 30% (Borrell et al, 1997;Bouman et al, 2005;Tabbal et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

Water balance implications of switching from continuous submergence to flush irrigation in a rice-growing district

Maria

Rienzner

Facchi

et al. 2016

Agricultural Water Management

View full text Add to dashboard Cite

Studies conducted at the field scale report significant reductions in the irrigation requirements of rice when continuous submergence (CS) is replaced by less water-demanding regimes such as flush-irrigation (FI, i.e. intermittent irrigations of rice growing in non-submerged soils). However, the effects of their extensive application in paddy areas with shallow groundwater is much less studied. We present a scenario analysis investigating the impacts on irrigation requirements induced by a shift from CS to FI in an irrigation district of Northern Italy where rice is the main crop, followed by maize and poplar. The area is characterised by a shallow water Table whose depth fluctuates between two meters (in winter) and less than 1 m (in summer). We applied a three-stage procedure, where we first analysed present state conditions using the SWAP (Soil, Water, Atmosphere, Plant) model to simulate irrigation deliveries and percolation fluxes. Then, we calibrated an empirical relationship between estimated percolation fluxes and measured depths to groundwater. Finally, we applied this relationship, in combination with the SWAP model, to predict the variation of district irrigation requirements due to a widespread shift from CS to FI. Results show that neglecting the feedback between groundwater recharge due to irrigation and groundwater depth led to overestimating the reduction of irrigation requirements of rice, which decreased from around 80% when no feedback was considered to around 60% when it was accounted for. Moreover, increased groundwater depths resulted in higher irrigation requirements for maize with an estimated growth of more than 50% due to the need of shortening the irrigation turn. These results demonstrate the importance of considering the impacts on the hydrological processes at larger scales when planning the conversion of CS into more efficient field irrigation methods.

show abstract

Section: Introductionmentioning

confidence: 99%

Water balance implications of switching from continuous submergence to flush irrigation in a rice-growing district

Maria

Rienzner

Facchi

et al. 2016

Agricultural Water Management

View full text Add to dashboard Cite

show abstract

“…Numerous studies have been conducted to reduce S&P (Sharma et al, 1995;Borrell et al, 1997;Roel et al, 1999;Bouman and Tuong, 2001;Pirmoradian et al, 2004;Mahrup et al, 2005;Kato et al, 2009;de Vries et al, 2010), and these studies finally resulted in higher water use efficiency (WUE). Although S&P is a major component in water loss, we focused on the suppression of surface water evaporation to achieve a high WUE in this study because a large amount of water loss also occurs during the early growth period by surface water evaporation (Adachi et al, 1995;Cabangon et al, 2002).…”

mentioning

confidence: 99%

Role of Canopy Coverage in Water Use Efficiency of Lowland Rice in Early Growth Period in Semi-Arid Region

Suzuki

Ohta

Izumi

et al. 2013

Plant Production Science

View full text Add to dashboard Cite

An appropriate combination of rice cultivar and cropping system that maximizes water use efficiency (WUE) may improve yield of rainfed lowland rice. In the paddy field, a large amount of water is consumed by evaporation during the early growth period, and it can be reduced by canopy coverage especially in semi-arid regions. Therefore, we evaluated the role of canopy coverage in WUE of rice in the early growth period in semi-arid region. A pot experiment was conducted in Namibia to investigate the genotypic and species difference in WUE, and another pot and a field experiment were conducted to investigate the effects of planting density on WUE. Although no significant difference was observed among species, the mean WUE was in the decreasing order of Oryza sativa, and Oryza glaberrima followed by the interspecific progenies including NERICA. In contrast, there was a significant difference in WUE at the genotypic level. Highly tillering genotypes such as WAB1159-2-12-11-5-1 and WITA 2 showed a high WUE. Furthermore, WUE was significantly correlated with the number of tillers (R 2 = 0.453), and higher planting density resulted in a higher WUE. In contrast, stomatal conductance had no significant correlation with WUE (R 2 = 0.081). Thus, the physical conditions affected by number of tillers and planting density had greater impacts on WUE than physiological characteristics such as stomatal conductance. The suppression of surface water evaporation by coverage was significant, probably contributing to WUE improvement. To increase WUE in semi-arid regions, we recommend the increase of canopy coverage and higher planting density.

show abstract

“…Several studies have shown the reduction in shoot dry matter production and grain yield of rice plants grown under SMF condition (Belder, Spiertz, Bouman, Lu, & Tuong, 2005;Niones et al, 2012;Owusu-Nketia et al, 2018;Suralta et al, 2008bSuralta et al, , 2010 while such fluctuating soil moisture environment including aerobic culture could cause increase in dry matter production (Katsura, Okami, Mizunuma, & Kato, 2010) as well as grain yield (Kato, Okami, & Katsura, 2009) as compared with flooded conditions. In this study, CSSL64, CSSL72 and CSSL79 had significantly higher grain yield than the recurrent parent, KDML105 under RFL condition but not under CWL condition (Table 3).…”

Section: Discussionmentioning

confidence: 99%

Functional roles of root plasticity and its contribution to water uptake and dry matter production of CSSLs with the genetic background of KDML105 under soil moisture fluctuation

Owusu-Nketia

Siangliw

et al. 2018

Plant Production Science

View full text Add to dashboard Cite

Soil moisture fluctuation (SMF) stress due to erratic rainfall in rainfed lowland (RFL) rice ecosystems negatively affect production. Under such condition, root plasticity is one of the key traits that play important roles for plant adaptation. This study aimed to evaluate root plasticity expression and its functional roles in water uptake, dry matter production and yield under SMF using three chromosome segment substitution lines (CSSLs) with major genetic background of KDML105 and a common substituted segment in chromosome 8. The CSSLs showed greater shoot dry matter production than KDML105 under SMF, which was attributed to the maintenance of stomatal conductance resulting in higher grain yield. The root system development based on total root length of the CSSLs were significantly higher than that of KDML105 due to the promoted production of nodal and lateral roots. These results implied that the common substituted segments in chromosome 8 of the 3 CSSLs may be responsible for the expression of their root plasticity under SMF and contributed to the increase in water uptake and consequently dry matter production and yield. These CSSLs could be used as a good source of genetic material for drought resistance breeding programs targeting rainfed lowland condition with fluctuating soil moisture environments and for further genetic studies to elucidate mechanisms underlying root plasticity. ARTICLE HISTORY

show abstract

Yield potential and water use efficiency of aerobic rice (Oryza sativa L.) in Japan

Cited by 163 publications

References 40 publications

Water balance implications of switching from continuous submergence to flush irrigation in a rice-growing district

Water balance implications of switching from continuous submergence to flush irrigation in a rice-growing district

Role of Canopy Coverage in Water Use Efficiency of Lowland Rice in Early Growth Period in Semi-Arid Region

Functional roles of root plasticity and its contribution to water uptake and dry matter production of CSSLs with the genetic background of KDML105 under soil moisture fluctuation

Contact Info

Product

Resources

About