Leaf structure and function of sweet cherry tree (Prunus avium L.) cultivars with open and dense canopies

Gonçalves, Berta; Correia, Carlos M.; Silva, Ana Paula; Bacelar, Eunice; Santos, Antonio Colmenar; Moutinho-Pereira, José

doi:10.1016/j.scienta.2008.02.013

Cited by 46 publications

(25 citation statements)

References 62 publications

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“…Increased leaf weight per unit area and an increased leaf thickness in columnar cultivars (Tables 2 and 5) might also be viewed as a response to a higher light environment in the canopy of the columnar trees, when compared to standard ones, given that apple leaves at the canopy periphery of standard trees are thicker than those more deeply sited within the canopy (Wooge and Barden, 1987). Similar associations have been made for sweet cherry (Goncalves et al, 2008). These increases might also be considered as a developmental response to water shortage (Givnish, 1988;Abrams, 1994;Jones, 1994;Larcher, 2000;Mierowski et al, 2002;Chaves et al, 2003;Feng et al, 2004).…”

Section: Discussionsupporting

confidence: 62%

Modification of leaf morphology and anatomy as a consequence of columnar architecture in domestic apple (Malus×domestica Borkh.) trees

Talwara

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Toldam‐Andersen

2013

Scientia Horticulturae

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Section: Discussionsupporting

confidence: 62%

Modification of leaf morphology and anatomy as a consequence of columnar architecture in domestic apple (Malus×domestica Borkh.) trees

Talwara

Grout

Toldam‐Andersen

2013

Scientia Horticulturae

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“…The leaf mesophyll conductance is affected by the structure and thickness of the palisade parenchyma and spongy parenchyma [4]. The palisade parenchyma affects light penetration and the spongy parenchyma alters light capture by scattering the light [32][33][34][35]. Grafting mini-watermelon onto rootstocks improved the total leaf area and the SPAD index [13].…”

Section: Discussionmentioning

confidence: 99%

Nitrogen Use Efficiency of Watermelon Grafted onto 10 Wild Watermelon Rootstocks under Low Nitrogen Conditions

et al. 2018

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Nitrogen availability is the key determinant of plant growth and development. The improvement of nitrogen use efficiency (NUE) in crops is an important consideration. In fruit and vegetables, such as watermelon, rootstocks are often utilized to control soil borne diseases and improve plant performance to a range of abiotic stresses. In this study, we evaluated the efficacy of 10 wild watermelon rootstocks (ZXG-516, ZXG-941, ZXG-945, ZXG-1250, ZXG-1251, ZXG-1558, ZXG-944, ZXG-1469, ZXG-1463, and ZXG-952) to improve the plant growth and nitrogen use efficiency (NUE) of the watermelon cultivar: Zaojia 8424. Nitrogen use efficiency (NUE) is a comprehensive parameter that represents the ability of a plant to absorb nitrogen (N) and convert the supplied resources to the dry biomass. Wild watermelon rootstocks substantially improved plant growth, rate of photosynthesis, stomatal conductivity, intercellular carbon dioxide concentration, rate of transpiration, nitrogen uptake efficiency, nitrogen use efficiency, and nitrogen utilization efficiency of watermelon. NUE of watermelon grafted onto ZXG-945, ZXG-1250, and ZXG-941 was improved by up to 67%, 77%, and 168%, respectively, at optimum N supply. Similarly, at low N supply (0.2 mM), NUE of watermelon grafted onto ZXG-1558 and ZXG-516 was improved by up to 104% and 175%, respectively. In conclusion, grafting onto some wild rootstocks can improve nitrogen use efficiency of watermelon, and this improved nitrogen use efficiency could be attributed to better N uptake efficiency of wild watermelon rootstocks.

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“…In several fruit tree species, the photosynthetic capacity is often related to leaf anatomical characteristics, which is influenced by ambient irradiance (Reich et al 2000;Le Roux et al 2001;Gonçalves et al 2008). Indeed, because of the lower growth irradiance conditions in the OTC, leaves developed here were more like shade-type, with slight lower leaf thickness, mainly due to significantly thinner palisade parenchyma layer, than leaves developed outside of the OTC (more sun-type leaves) (Table 4).…”

Section: Discussionmentioning

confidence: 99%

Effects of Open-Top Chambers on physiological and yield attributes of field grown grapevines

et al. 2009

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Touriga Franca grapevines were grown in Open-Top Chamber (OTC) and in outside plot (Exterior) for 3 years (2004)(2005)(2006) to investigate the impact of these structures on climatic conditions and, consequently, on physiological and yield attributes. In general, CO 2 assimilation, stomatal conductance, carbohydrate concentration, maximum bulk modulus of elasticity, palisade parenchyma thickness, leaf mass per unit area and values of red/far-red ratio transmitted by leaves were lower, whereas intrinsic water use efficiency, SPAD-readings and osmotic potential at full turgor were higher in OTC leaves. However, OTC did not affect leaf water potential, maximum PSII photochemical efficiency, stomatal density and soluble proteins concentration. Also, there were no significant differences in C, P, Ca and Fe between treatments. Meanwhile, N and Mg were higher, whereas K concentration was lower in OTC leaves. The environmental conditions inside OTC provided a significant reduction in yield and Ravaz index of 2004, mainly due to a decrease in clusters weight. Regarding the vegetative growth parameters, OTC did not influence the pruning weight, but in 2006 the weight/shoot was significantly lower in OTC vines. In conclusion, the use OTC facility to study the impact of CO 2 enrichment was very expedite, but the extrapolation of results to the open-field environment must be prudent due to the OTC effect.

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Leaf structure and function of sweet cherry tree (Prunus avium L.) cultivars with open and dense canopies

Cited by 46 publications

References 62 publications

Modification of leaf morphology and anatomy as a consequence of columnar architecture in domestic apple (Malus×domestica Borkh.) trees

Modification of leaf morphology and anatomy as a consequence of columnar architecture in domestic apple (Malus×domestica Borkh.) trees

Nitrogen Use Efficiency of Watermelon Grafted onto 10 Wild Watermelon Rootstocks under Low Nitrogen Conditions

Effects of Open-Top Chambers on physiological and yield attributes of field grown grapevines

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