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A leaf gas exchange model that accounts for intra‐canopy variability by considering leaf nitrogen content and local acclimation to radiation in grapevine (Vitis vinifera L.)
(Wiley, 2012-07)Understanding the distribution of gas exchange within a plant is a prerequisite for scaling up from leaves to canopies. We evaluated whether leaf traits were reliable predictors of the effects of leaf ageing and leaf ... -
A time-window within the grain filling period accounted for early leaf senescence in maize under sink limitation
(Elsevier, 2024-01)In annual crops such as maize, assimilates demand exerted by grains converges with increasing leaf senescence. As sink demand changes as grains growth, leaf senescence could also be affected during the grain filling period. ... -
Anatomía foliar de Anoda cristata (L.) Schledtl. (Malvaceae) = Leaf anatomy of Anoda cristata (L.) Schletdl. (Malvaceae)
(2017-09)Anoda cristata (L.) Schletdl. (Malvaceae) es una especie utilizada en la medicina popular para afecciones respiratorias, digestivas y para el control de heridas. Recientemente se le ha demostrado actividad antioxidante e ... -
Aprovechamiento de hojas secas de ajo para la elaboración de pellets combustibles
(Estacion Experimental Agropecuaria La Consulta, INTA, 2018)El término pellet (también pelet) es una denominación genérica, utilizada para referirse a pequeñas porciones de material aglomerado o comprimido de diferentes materiales. Puede referirse a un pellet de madera, cada una ... -
Calidad de agropiro alargado (Thinopyrum ponticum) en estado vegetativo en relación con la edad y longitud de las hojas
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2013-04)Se estudió el efecto de la edad y largo foliar en la calidad de láminas de agropiro alargado (Thinopyrum ponticum cv. Hulk) en un rebrote otoñal de dos alturas. El ensayo se realizó en invernáculo (17± 4 ºC) en un diseño ... -
Carbon (δ13C) and nitrogen (δ15N) stable isotope composition in plant and soil in Southern Patagonia’s native forests.
(Wiley, 2012-01)Stable isotope natural abundance measurements integrate across several biogeochemical processes in ecosystem N and C dynamics. Here, we report trends in natural isotope abundance (d13C and d15N in plant and soil) along a ... -
Concentration and temporal variability of nitrogen, phosphorus and zinc in pecan leaves
(International Society for Horticultural Science, 2015)Information about the local response to fertilization in pecan trees is very limited. Here, we investigated the effects of fertilization with different levels of nitrogen (N), phosphorus (P) and zinc (Zn) on the chemical ... -
Drought induces distinct growth response, protection, and recovery mechanisms in the maize leaf growth zone
(2015-10)Drought is the most important crop yield-limiting factor, and detailed knowledge of its impact on plant growth regulation is crucial. The maize (Zea mays) leaf growth zone offers unique possibilities for studying the ... -
Efecto de la densidad de plantación sobre el rendimiento de hojas secas de yerba dulce (Stevia rebaudiana)
(2014)De los resultados obtenidos, se evidencia que existe una tendencia en el aumento del rendimiento dada por el aumento de la densidad de plantación. -
Efecto de la fertilización química en un suelo rojo típico de la provincia de Misiones sobre el rendimiento de hojas secas de yerba dulce (Stevia rebaudiana)
(2014)Los resultados obtenidos sugieren que existe una interacción entre el factor nitrógeno y el factor potasio. Para dicha interacción se registraron valores superiores a 2000 kg/ha de hojas secas de stevia. No se encontró una ... -
Exploring gene networks in two sunflower lines with contrasting leaf senescence phenotype using a system biology approach
(BMC, 2019-10)Background: Leaf senescence is a complex process, controlled by multiple genetic and environmental variables. In sunflower, leaf senescence is triggered abruptly following anthesis thereby limiting the capacity of plants ... -
Exploring the biological activity of condensed tannins and nutritional value of tree and shrub leaves from native species of the Argentinean Dry Chaco
(2017)BACKGROUND: Tropical tree or shrub leaves are an important source of nutrients for ruminants and a potential source of biologically active compounds that may affect ruminalmetabolism of nutrients. Therefore, eightwoody ... -
Genome-wide and comparative phylogenetic analysis of senescence-associated NAC transcription factors in sunflower (Helianthus annuus)
(Springer, 2021-12)Background: Leaf senescence delay impacts positively in grain yield by maintaining the photosynthetic area during the reproductive stage and during grain filling. Therefore a comprehensive understanding of the gene families ... -
Identification and characterization of contrasting sunflower genotypes to early leaf senescence process combining molecular and physiological studies (Helianthus annuus L.)
(2016)Leaf senescence is a complex mechanism ruled by multiple genetic and environmental variables that affect crop yields. It is the last stage in leaf development, is characterized by an active decline in photosynthetic rate, ... -
Identification of candidate genes associated with leaf senescence in cultivated sunflower (Helianthus annuus L.)
(PLOS, 2014)Cultivated sunflower (Helianthus annuus L.), an important source of edible vegetable oil, shows rapid onset of senescence, which limits production by reducing photosynthetic capacity under specific growing conditions. ... -
In vivo oral toxicity and antioxidant capacity of Nothofagus antarctica (G.Forst.) oerst (ñire) leaves
(Taylor & Francis Group, 2024-01-04)Nothofagus antarctica (NA) is a native tree of Patagonia. Since ancient times, NA leaves were used in infusions for medical and food purposes, but there are no deep insights on its toxicity. The aim of this work was to ... -
Leaf protein allocation across the canopy and during senescence in earlier and later senescing maize hybrids, and implications for the use of chlorophyll as a proxy of leaf N
(Springer, 2019-09)Leaf chlorophyll (chl) and protein distribution were analyzed throughout grain filling in four modern maize hybrids with contrasting senescence behavior, at three different canopy levels and at low-N (LN, 18 kg N ha−1) and ... -
Leaf senescence and the profile of expanded leaf area in maize (Zea mays L.)
(University of Guelph, 2002-08)Leaf senescence is a major factor affecting light interception and dry matter accumulation during the grain-filling period. Reduced leaf senescence has been associated with maize yield genetic improvement. The objectives ... -
Leaves from four different sugarcane varieties as potential renewable feedstocks for second-generation ethanol production: Pretreatments, chemical composition, physical structure, and enzymatic hydrolysis yields
(Elsevier, 2022-10)Development of Bioeconomy is impossible without establishing efficient technologies of lignocellulosic biomass valorization via transformation into fermentable sugars. Sugarcane is a valuable agricultural crop in several ... -
Litter decomposition and nutrients dynamics in Nothofagus antarctica forests under silvopastoral use in Southern Patagonia.
(Springer, 2012-01-24)The role of environmental variables on litter decomposition and its nutrient release in Nothofagus antarctica forest in Patagonia is poorly understood. Moreover, in these forests under silvopastoral use there are few ...