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Sucrose and hexose transporters in walnut xylem parenchyma cells their potential role in early events of growth resumption



Sucrose and hexose transporters in walnut xylem parenchyma cells their potential role in early events of growth resumption



Tree Physiology: 2, 215-224



In temperate woody species, the vegetative growth period is characterized by active physiological events (e.g., bud break), which require an adequate supply of soluble sugars imported in the xylem sap stream. One-year-old shoots of walnut (<i>Juglans regia</i> 'Franquette') trees from south-central France, which have an acrotonic branching pattern (only apical and distal vegetative buds burst), were used to study the regulation of xylem sugar transporters in relation to bud break.

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