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La aplicación de nitrógeno en otoño retrasa la senescencia foliar en manzano (Malus domestica Borkh)
De Angelis, Veronica; Sanchez, Enrique Eduardo; Tognetti, Jorge Alberto (Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2012-04)La prolongación de la duración de la vida de las hojas de frutales en otoño es deseable ya que contribuye a mejorar la disponibilidad de reservas para el ciclo siguiente. El objetivo de este trabajo fue evaluar el efecto ... -
Effect of Postharvest Soil and Foliar Application of Boron Fertilizer on the Partitioning of Boron in Apple Trees
Sanchez, Enrique Eduardo; Righetti, Timothy L. (American Society for Horticultural Science, 2005-12)This study was carried out on mature `Delicious' apple trees (Malus domestica Borkh.) on EM 9 rootstock. Labeled B (99.63 Atom % 10B) was applied as boric acid. Treatments were postharvest foliar B at 375 mg·L–1, postharvest ... -
Management of Nitrogen and Calcium in Pear Trees for Enhancement of Fruit Resistance to Postharvest Decay
Sugar, David; Righetti, Timothy L.; Sanchez, Enrique Eduardo; Khemira, Habib (American Society for Horticultural Science, 1992-07)Management of pear (Pyrus communis L.) trees for low N and high Ca content in the fruit reduced the severity of postharvest fungal decay. Application of N fertilizer 3 weeks before harvest supplied N for tree reserves and ... -
Research knowledge and needs for orchard floor management in organic tree fruit systems
Granatstein, David; Sanchez, Enrique Eduardo (Taylor and Francis, 2009-09-28)While pest management and tree horticulture dominate the research agenda for temperate tree fruits, organic production requires more attention to weed control and nutrient management because of the limited options growers ... -
Timing of nitrogen fertilization influences color and anthocyanin content of apple (Malus domestica Borkh. cv ‘Royal Gala’) fruits
De Angelis, Veronica; Sanchez, Enrique Eduardo; Tognetti, Jorge Alberto (Taylor and Francis, 2011)Different timings and methods of N application modify N dynamics in the plant and could have differential effects on fruit color. To evaluate this possibility, an experiment was conducted during three seasons in a ‘Royal ... -
Tree Nitrogen Status and Leaf Canopy Position Influence Postharvest Nitrogen Accumulation and Efflux from Pear Leaves
Sanchez, Enrique Eduardo; Righetti, Timothy L. (American Society for Horticultural Science, 1990-11)`Cornice' pear trees (Pyrus communis L.) were fertilized with ammonium nitrate depleted in “N in Spring 1987 and 1988. In Aug., Oct., and Nov. 1988, midleaves on current season shoots were sampled at three positions from ...