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| 1 | From leaf to whole-plant water use efficiency(WUE)in complex canopies:Limitations of leaf WUE as a selection target显示文摘Plant water use efficiency(WUE) is becoming a key issue in semiarid areas, where crop production relies on the use of large volumes of water. Improving WUE is necessary for securing environmental sustainability of food production in these areas. Given that climate change predictions include increases in temperature and drought in semiarid regions,improving crop WUE is mandatory for global food production. WUE is commonly measured at the leaf level, because portable equipment for measuring leaf gas exchange rates facilitates the simultaneous measurement of photosynthesis and transpiration. However,when those measurements are compared with daily integrals or whole-plant estimates of WUE, the two sometimes do not agree. Scaling up from single-leaf to whole-plant WUE was tested in grapevines in different experiments by comparison of daily integrals of instantaneous water use efficiency [ratio between CO2assimilation(AN) and transpiration(E); AN/E] with midday AN/E measurements, showing a low correlation, being worse with increasing water stress. We sought to evaluate the importance of spatial and temporal variation in carbon and water balances at the leaf and plant levels. The leaf position(governing average light interception) in the canopy showed a marked effect on instantaneous and daily integrals of leaf WUE. Night transpiration and respiration rates were also evaluated, as well as respiration contributions to total carbon balance. Two main components were identified as filling the gap between leaf and whole plant WUE: the large effect of leaf position on daily carbon gain and water loss and the large flux of carbon losses by dark respiration. These results show that WUE evaluation among genotypes or treatments needs to be revised. | Hipólito Medrano Magdalena Tomás Sebastià Martorell aume Flexas Esther Hernández Joan Rosselló Alicia Pou José-Mariano Escalona Josefina Bota | 2015 | The Crop Journal2015，3，3： | 9 |
| 2 | Changes in respiration of fresh-cut butterhead lettuce under controlled atmospheres using low and superatmospheric oxygen conditions with different carbon dioxide levels 显示文摘 | Escalona V H Verlinden B E Geysen S | 2006 | Postharvest Biology and Technology2006，39，： | 1 |
| 3 | Atmospheric deposition and hydro geologic flow of nitrogen in northern Florida Watersheds显示文摘 | WINCHESTER J W ESCALONA L MENG F J | 1995 | Geochimica et Cosmochimica Acta1995，59，11： | 1 |
| 4 | Pituitary cell lines and their endocrine applications显示文摘 | OOI G T TAWADRES N ESCALONA R M | 2004 | Molecular and Cellular Endocrinology2004，228，12： | 1 |
| 5 | Prediction of tool wear mechanisms in face milling AISI 1045 steel 显示文摘 | ESCALONA P M DIAZ N CASSIER Z | 2012 | Journal of Materials Engineering and Performance2012，21，6： | 1 |
| 6 | Tectonic controls of the right lateral BurroNegro tear fault on Paleogene structure and stratigraphy,north-eastern Maracaibo Basin显示文摘 | Escalona A Mann P | 2006 | AAPG Bulletin2006，90，： | 1 |
| 7 | Three --dimensional Formulation of Rigid- Flexible Multibody Systems with Flexible Beam Elements 显示文摘 | Garcia-- Vallejo D Mayo J Escalona J L | 2008 | Multibody System Dynamics2008，20，： | 1 |
| 8 | The relationship between malocclusion, benign joint hypermobility syndrome, condylar position and TMD symptoms显示文摘 | Barrera-Mora JM Escalona E Labruzzi CA | 2012 | Cranio2012，30，2： | 1 |
| 9 | Transforming growthfactor beta inhibits proliferation of somatic cells without influencing germcell number in the chicken embryonic ovary显示文摘 | Mendez C A|cantara L Escalona R | 2006 | Cell Tissue Research2006，325，： | 1 |
| 10 | Changes in respiration of fresh-cut butlerhead lettuce under controlled atmospheres using low and superatmospheric oxygen conditions with different carbon dioxide levels显示文摘 | ESCALONA V H BERT E V SABINE G | 2006 | Postharvest Biology and Technology2006，39，1： | 1 |
| 11 | Open label, prospectire, randomized controlled trial of an endoscopic duodenal-jejunal bypass sleeve versus low calorie diet for pre-operative weight loss in bariatric surgery显示文摘 | Tarnoff M Rodriguez L Escalona A | 2009 | Surg Endosc2009，23，3： | 1 |
| 12 | Gastric cancer after Roux-en-Y gastric bypass显示文摘 | Escalona A Guzman S Ibanez L | 2005 | Obes Surg2005，15，3： | 1 |
| 13 | Effect of moderate irrigation on aroma potential and other markers of grape quality显示文摘 | Escalona J M Flexas J Schultz H R | 1999 | Acta Hort1999，493，： | 1 |
| 14 | Application of the absolute nodal coordinate formulation to large rotation and large deformation problems 显示文摘 | Shabana A A Hussien H Escalona J | 1998 | Journal of Mechanical Design1998，120，： | 1 |
| 15 | Stomatal and non-stomatal limitations of photosynthesis under water stress in field-grapevines 显示文摘 | Escalona J M Flexas J Medrano H | 1999 | Australian Journal of plant physiology1999，26，5： | 1 |
| 16 | Atmospheric deposition and hydrogeologic flow of nitrogen in northern Florida Watersheds显示文摘 | WINCHESTER J W ESCALONA L MENG F J | 1995 | Geochim Cosmochim ACTA1995，59，11： | 1 |
| 17 | Fluvoxamine treatment in veterans with combat - related post - traumatic stress disorder显示文摘 | Escalona R Canive JM Calais LA | 2002 | Depress Anxiety2002，15，1： | 1 |
| 18 | Stomatal and non-stomatal limitations of photosynthesis under water stress in field-grown grapevines显示文摘 | ESCALONA J | 1999 | Journal of plant physiology1999，26，1： | 1 |
| 19 | Pituitary cell lines and their endocrine applications显示文摘 | Ooi G T Tawadros N Escalona R M | 2004 | Molecular and Cellula Endocrinology2004，228，12： | 1 |
| 20 | Transforming growth factor beta inhibits proliferation of somatic cells without influencing germ cell number in the chicken embryonic ovary显示文摘 | Mendez C Alcantara L Escalona R | 2006 | Cell Tissue Res2006，325，： | 1 |
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