Growth and water‐use efficiency of 10 <i>Triticum aestivum</i> cultivars at different water availability in relation to allocation of biomass

Boogaard, R. van den; Alewijnse, Dianne; Veneklaas, Erik J.; Lambers, Hans

doi:10.1046/j.1365-3040.1997.d01-60.x

Cited by 86 publications

(56 citation statements)

References 41 publications

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“…Poorter and Nagel (2000), after reviewing the limited published data, attributed the decrease in RGR due to water stress to a decrease in NAR, and, to a lesser extent, to a decrease in SLA. However, Van den Boogaard et al (1997) did not find significant differences in the contribution of LAR and NAR to variation in RGR between well-watered and water-stressed wheat cultivars. Similarly, Ball and Pidsley (1995) and Ball (2002) showed in two mangrove species that RGR decline with increase in salinity was due to decrease in both NAR and LAR.…”

Section: Introductioncontrasting

confidence: 63%

“…Despite its importance, the number of analyses of the effects of water stress on RGR is surprisingly scarce, and limited to very few species, notably grasses (Bargali and Tewari 2004;Kalapos et al 1996;Retuerto and Woodward 1993;Van den Boogaard et al 1995, 1997Van Splunder et al 1996;Wang et al 1998). Traits such as greater allocation of biomass below than above ground, a lower evaporative surface, and a higher leaf mass per unit leaf area are common water-stress effects on biomass allocation (Ludlow 1989).…”

Section: Introductionmentioning

confidence: 99%

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Modulation of relative growth rate and its components by water stress in Mediterranean species with different growth forms

et al. 2005

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Effects of water availability on seedling growth were analysed in eight Mediterranean species naturally occurring in the Balearic Islands. Seedlings were grown outdoors during summer under two irrigation treatments: field capacity and 35% of field capacity. The relative growth rate (RGR) strongly depended on the growth form, from highest values in herbs to lowest in woody perennials. The main component associated with interspecific variation in RGR was the specific leaf area (SLA), and a quantitative grouping of the different growth forms appeared along the regression line between both parameters. The slow-growing species, i.e. woody perennial shrubs, had the lowest SLA and the fast-growing perennial herbs, the highest, while woody semi-deciduous shrubs appeared intermediate. Decreases in RGR due to water stress were analysed in terms of the relative contribution of the leaf mass ratio (LMR), SLA and the net assimilation rate (NAR). Pooling all species, the decrease in RGR caused by water deficit was mainly explained by decreases in SLA. However, this general pattern was strongly dependent of growth form. Thus, in the woody perennial plants, the decrease in RGR was accompanied by a three-fold decrease in NAR which, however, increased in perennial herbs. SLA increased with decreasing water supply in woody perennial plants, and decreased in woody semi-deciduous shrubs and perennial herbs. Finally, decreases in LMR partly explained decreases in RGR in perennial herbs and woody perennial shrubs. This different response of the different growth forms may reflect differences in seedling adaptation and surviving strategies to drought periods.

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Section: Introductioncontrasting

confidence: 63%

Section: Introductionmentioning

confidence: 99%

Modulation of relative growth rate and its components by water stress in Mediterranean species with different growth forms

et al. 2005

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“…According to Martin et al (1994), leaf photosynthetic rate and water use efficiency are controlled by stomatal properties and by the anatomical characteristics of the leaves. Since WUE expresses the production of biomass per unit of water, leaf characteristics can be important when plants grow in waterlimited environments (Van Den Boogaard et al, 1997).…”

Section: Discussionmentioning

confidence: 99%

Gas exchange and photosynthetic light response curves in nematode-infected tomato plants treated with Thuya occidentalis

Mioranza¹,

Inagaki²,

Müller³

et al. 2018

Aust J Crop Sci

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The use of homeopathic formulations on plants may cause changes in plant metabolism and result in disease control by inducing resistance. This work aimed to study the physiological responses of tomato plants infected with nematode (Meloidogyne incognita) and treated with highly diluted preparations of Thuya occidentalis, a homeopathic remedy. The different treatments included T. occidentalis 6CH, 24CH, and 50CH (Centesimal Hahnemanian), a water control (with nematode and without treatment), and an absolute control (no treatment and no nematode). The assay was conducted in a greenhouse using a randomized block design with four replications. Gas exchange parameters were measured at specific times before and after nematode inoculation. Photosynthetic rate, stomatal conductance, transpiration, leaf internal CO 2 concentration, and leaf temperature were measured at various photosynthetic photon flux densities. No significant difference was found in the different gas exchange specific measure parameters between the treatments. Untreated infected plants showed an increase in net photosynthesis and in the carboxylation capacity, as shown by the light response curve. Treatment with T. occidentalis 24CH inhibited the increase in CO 2 fixation in tomato plants inoculated with M. incognita, leading to a similar behavior as healthy plants, independently of the photon density.

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“…However, traits that increase WUE may conflict with those associated with both high RGR and productivity (Jones, 1993). By contrast, some reports have suggested that there is a potential for improving WUE without necessarily reducing both RGR (Van den Boogaard et al, 1997) and overall productivity (Monclus et al, 2006). Therefore, the identification of cultivars combining satisfactory growth and production and high WUE would be of great relevance for drought-prone areas.…”

Section: Introductionmentioning

confidence: 98%

“…Yet, traits that favour a high growth potential (i.e., high relative growth rate, RGR) under well-watered conditions also tend to decrease tolerance to low water availability, reflecting a trade-off between growth potential and drought tolerance (Bazzaz, 1994;Huston, 1994). The causes of variation in RGR due to drought is a contentious matter (Galmés et al, 2005), and have been attributed to changes in both physiological (i.e., net assimilation rate, NAR) and morphological (i.e., leaf area ratio, LAR) RGR's components (e.g., Van den Boogaard et al, 1997), or chiefly to changes in NAR (e.g., Poorter and Nagel, 2000).…”

Section: Introductionmentioning

confidence: 99%

Morphological and physiological responses of two coffee progenies to soil water availability

Dias

Araújo

Moraes

et al. 2007

Journal of Plant Physiology

101

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Drought is a major environmental constraint affecting growth and production of coffee. The effects of water supply on growth, biomass allocation, water relations, and gas exchange in two coffee progenies representing drought-tolerant (Siriema) and drought-sensitive (Catucaí) genotypes were compared. They were grown in 12-L pots until 4-months old, when they were submitted to two watering treatments for 60 d: plants receiving either 100% transpired water (control plants) or a fraction (about 40%) of the amount of water transpired by control plants (drought-stressed plants). Under control conditions, Siriema grew faster than Catucaí. Regardless of the watering regimes and progenies, relative growth rate (RGR) was positively correlated both with net assimilation rate (NAR) and long-term water-use efficiency (WUE), but not with differences in biomass allocation. Both progenies responded to drought stress through (i) similar decreases in both RGR and NAR with marginal, if any, changes in allocation; (ii) decreases in leaf water potential, which occurred to a greater extent in Catucaí than in Siriema, even though they have showed similar abilities to adjust osmotically and elastically; (iii) similar reductions in net photosynthesis due mainly to nonstomatal factors; and (iv) decreases in transpiration rate coupled with increased long-term WUE. However, the lower transpiration rate and the higher long-term WUE as found in Siriema relative to Catucaí under control conditions persisted under drought conditions. Overall, the major differences between these progenies were largely associated with differences in plant water use, which was likely related to the improved water status of Siriema. The possible implications of selecting coffee genotypes for high WUE are discussed.

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Growth and water‐use efficiency of 10 Triticum aestivum cultivars at different water availability in relation to allocation of biomass

Cited by 86 publications

References 41 publications

Modulation of relative growth rate and its components by water stress in Mediterranean species with different growth forms

Modulation of relative growth rate and its components by water stress in Mediterranean species with different growth forms

Gas exchange and photosynthetic light response curves in nematode-infected tomato plants treated with Thuya occidentalis

Morphological and physiological responses of two coffee progenies to soil water availability

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