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pinus nigra/carbohydrate
L'enllaç es desa al porta-retalls
8 resultats
Drought-induced dieback of Pinus nigra: a tale of hydraulic failure and carbon starvation.
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Ongoing climate change is apparently increasing tree mortality rates, and understanding mechanisms of drought-induced tree decline can improve mortality projections. Differential drought impact on conspecific individuals within a population has been reported, but no clear mechanistic explanation for
Planting stress, water status and non-structural carbohydrate concentrations in Corsican pine seedlings.
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Two-year-old Corsican pine (Pinus nigra ssp. laricio var. Corsicana) seedlings were either well watered or subjected to a moderate drought for one month before being lifted from the nursery bed on October 9 and transplanted. Well-watered, non-transplanted seedlings served as controls. Needle predawn
Somatic Embryogenesis in Selected Conifer Trees Pinus nigra Arn. and Abies Hybrids.
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Somatic embryogenesis was achieved in the conifers Pinus nigra Arn. and in the hybrids Abies alba ×A. cephalonica and Abies alba ×A. numidica. For initiation of embryogenic tissue in P. nigra, immature zygotic embryos enclosed in megagametophytes were used.
Effects of dessication on post-planting stress in bare-root Corsican pine seedlings.
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We examined the post-planting consequences of pre-planting exposure stress on two-year-old, bare-root Corsican pine (Pinus nigra Arnold. ssp. laricio var. Corsicana) seedlings. Seedlings were lifted from a nursery and exposed to ambient conditions for periods of up to 192 h before being planted in
Insect defoliation is linked to a decrease in soil ectomycorrhizal biomass and shifts in needle endophytic communities
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Insect outbreaks of increasing frequency and severity in forests are predicted due to climate change. Insect herbivory is known to promote physiological changes in forest trees. However, little is known about whether these plant phenotypic adjustments have cascading effects on tree microbial
Insect defoliation is linked to a decrease in soil ectomycorrhizal biomass and shifts in needle endophytic communities
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Insect outbreaks of increasing frequency and severity in forests are predicted due to climate change. Insect herbivory is known to promote physiological changes in forest trees. However, little is known about whether these plant phenotypic adjustments have cascading effects on tree microbial
Species ecology determines the role of nitrogen nutrition in the frost tolerance of pine seedlings.
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Frost determines the evolution and distribution of plants in temperate and cold regions. Several environmental factors can influence frost acclimation of woody plants but the magnitude and direction of the effect of nitrogen (N) availability is controversial. We studied the effect of N availability
Physiological influence of silica on germinating pollen as shown by Raman spectroscopy.
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The process of silicification in plants and the biochemical effects of silica in plant tissues are largely unknown. To study the molecular changes occurring in growing cells that are exposed to higher than normal concentration of silicic acid, Raman spectra of germinating pollen grains of three
La base de dades d’herbes medicinals més completa avalada per la ciència
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* Tota la informació es basa en investigacions científiques publicades
