Limited-irrigation improves water use efficiency and soil reservoir capacity through regulating root and canopy growth of winter wheat

Xu, Cailong; Tao, Hongbin; Tian, Bin; Gao, Yinyi; Ren, Jianhong; Pu, Wang

doi:10.1016/j.fcr.2016.07.009

Cited by 161 publications

(62 citation statements)

References 32 publications

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“…We found that modern Swiss wheat varieties exposed to early water stress developed less root biomass but reached relatively deeper soil layers, as indicated by D 95 . Studies in durum wheat and barley confirm the decrease in root dry matter under drought (Barraclough et al 1989;Zhang et al 2004;Raziuddin et al 2010) and the increased rooting depth (Barraclough et al 1989;Xu et al 2016;Zhang et al 2004). Barraclough et al (1989) observed a deeper rooting of at least 20 cm under drought for winter wheat, but the total amount of roots in deeper soil layers was small.…”

Section: Discussionmentioning

confidence: 87%

Modern wheat semi-dwarfs root deep on demand: response of rooting depth to drought in a set of Swiss era wheats covering 100 years of breeding

et al. 2019

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Breeding for enhanced rooting depth and root biomass in deeper soil layers is a promising strategy to adapt wheat (Triticum aestivum L.) plants to drought periods. We evaluated (1) the extent of indirect selection of root traits during the last century of wheat breeding and (2) how it affected the variety performance under well-watered conditions compared to gradually developing drought stress. Fourteen bread wheat genotypes covering 100 years of Swiss wheat breeding were grown in 1.6 m tall columns in the greenhouse under well-watered and drought conditions. Root parameters, such as rooting depth and root biomass and above ground parameters were determined at flowering and maturity. Rooting depth showed a negative trend in response to year of release under well-watered conditions but not under early water stress. Modern varieties responded with enhanced root allocation to deeper soil layers. Consequently, rooting depth was positively correlated with plant height at well-watered conditions but not under early water stress. Considerable genetic variation for rooting depth among modern varieties indicates that the trait is selectable without strong alteration of plant height. We conclude that modern varieties adjusted rooting depth to water demand.

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Section: Discussionmentioning

confidence: 87%

Modern wheat semi-dwarfs root deep on demand: response of rooting depth to drought in a set of Swiss era wheats covering 100 years of breeding

et al. 2019

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“…Soil moisture was measured in the 150 cm soil profile since the effective root zone depth was in the first 150 cm of soil in NCP. The total water consumption (TWC, mm) by the two winter wheat cultivars was calculated as follows [20,21] :…”

Section: Soil Water Content and Water Consumptionmentioning

confidence: 99%

Different growing strategies of two winter wheat cultivars under rainfed conditions during dry years in North China Plain

Dong

Qiao

et al. 2018

International Journal of Agricultural and Biological Engineering

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The North China Plain (NCP) is a severe water shortage region, especially during the wheat growing season. Understanding the response of grain yield and water availability in winter wheat cultivars (Triticum aestivum L.) is important to adjust planting structure under groundwater reducible exploitation in rainfed dry years of NCP. Field experiments were conducted at the Luancheng Agroecosystem Experiment Station of the Chinese Academy of Sciences, Hebei, China. Two different drought resistant winter wheat cultivars (Jinmai47 and Shiluan02-1) were grown under rainfed conditions during four

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“…Thus, irrigation could be skipped during milking stage to minimize the yield loss (Tari, 2016). After starting with sufficient presowing soil moisture level, a single irrigation of 60 mm of water at stem elongation stage can achieve high water use efficiency with only 5% yield reduction from no-water stress treatment (Xu et al, 2016). Lalmalsawmi (2013), in New Alluvial Zone…”

Section: Irrigation Management For Yield Improvementmentioning

confidence: 99%

Increasing Wheat Productivity under Variable and Changing Climatic Conditions in West Bengal, India

Mukherjee¹,

Huda²,

Thentu³

et al. 2017

IJBSM

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Wheat is the second important cereal crop after rice in West Bengal. However, its area of cultivation and production remain almost stagnant in recent years due to lower productivity of the crop. Inter seasonal climatic variability is one of the most important reasons behind it. Thus, there is a need to find out suitable management options against such climatic variability, to boost up the productivity. In this study DSSAT 4.5 model was used to simulate the potential yield of wheat for Nadia district for 30 years (1982 to 2011). The long term district wheat yield was also collected for its comparison. The attainable yield with proper agronomic management practices was collected from research experiment conducted at Bidhan Chndra Krishi Viswavidyalaya, for yield gap analysis. Wheat yield was also simulated under five number of irrigation treatments. Result revealed that the potential yield ranges from 5101 to 10128 kg ha-1 with an average of 8458 kg ha-1. The average yield produced in research field was 4151 kg ha-1 and long term average actual district yield was 2316 kg ha-1. Thus, there is ample scope to reduce the yield gap by around 80% to reach the attainable (research) yield, only through optimization of different crop management techniques. The result of the irrigation experiment showed that wheat yield increased with increase in number of irrigations. But exceptionally, three number of irrigations produced less yield than that of two numbers of irrigation due to water stress in critical crop growth period.

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Limited-irrigation improves water use efficiency and soil reservoir capacity through regulating root and canopy growth of winter wheat

Cited by 161 publications

References 32 publications

Modern wheat semi-dwarfs root deep on demand: response of rooting depth to drought in a set of Swiss era wheats covering 100 years of breeding

Modern wheat semi-dwarfs root deep on demand: response of rooting depth to drought in a set of Swiss era wheats covering 100 years of breeding

Different growing strategies of two winter wheat cultivars under rainfed conditions during dry years in North China Plain

Increasing Wheat Productivity under Variable and Changing Climatic Conditions in West Bengal, India

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