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Key message The contents of quercetin glycosides and neochlorogenic acid in fresh berries of Cornelian cherry and Common dogwood were assessed through LC–MS/MS analysis to determine chemical differentiation between two distant populations of each species. Abstract The aim of this study was to investigate the chemical variability of Cornus mas and Cornus sanguinea on the basis of the content of six...
Key message This paper describes the micropropagation of Douglas-fir via somatic embryogenesis using media and methods available in the public domain. Abstract Douglas-fir is a conifer species with high and increasing interest for forest industries in both New Zealand and France. Delivery of the best trees to the forest from breeding programmes is currently constrained by an inability to effectively...
Key Message Tree size and exposure is a key driver of stemflow; canopy heterogeneity leads to spatial randomness of stemflow; stemflow impacts soil moisture in superficial layers. Abstract Stemflow (SF) plays a relevant role in forest hydrology by delivering rain to the soil around trees. This study sought to explore the effects of tree traits on the amount of SF in an Atlantic Forest remnant in...
Key message High Mn poisoned male and femalePopulus cathayana. The toxicity could be alleviated by exogenous ABA application. Intriguingly, ABA granted higher resistance to males than to females under high Mn stress because ABA could induce more blocking of Mn translocation to leaf in males than in females. Abstract Abscisic acid (ABA) is involved in plants’ adaptive responses to various environmental...
Key message Mercuric chloride, an inhibitor of CO2 transport via aquaporins, reduces mesophyll conductance in black cottonwood, and more so in northern than in southern genotypes, and it also reduces carbonic anhydrase activity. Abstract To investigate the potential involvement of aquaporins (AQPs) in latitude-dependent variation in mesophyll conductance (gm) of Populus trichocarpa Torr. & Gray...
Key messageArbuscular mycorrhizal symbiosis strengthened the mechanisms developed by carob to withstand drought stress, including improved water relations, increased cell wall rigidity and osmolytes accumulation, and enhanced oxidative stress alleviation. Abstract The present investigation was carried out to provide more insight into the influence of arbuscular mycorrhizal fungi (Funneliformis mosseae, Rhizophagus fasciculatus...
Key message We characterized theAmmopiptanthus nanustranscriptome, identified a large number of orthologs and predicted the divergence time betweenA. nanusandA. mongolicus, the only two species in genusAmmopiptanthus. Abstract Plants in the genus Ammopiptanthus are relic trees of the Tertiary period that have survived dramatic climate change in the Central Asia dryland. Currently, the only two remaining...
Key message A cation-chloride cotransporter gene PtrCCC from trifoliate orange was identified, its ectopic expression confers salt tolerance in transgenic tobacco. Abstract Salinity is one of the most serious environmental stresses that limit crop growth. Cation-chloride cotransporters (CCCs) are membrane proteins that are involved in plant development and salt tolerance. Here we provide an insight...
Key messageStorage longevity of two contrasting recalcitrant seeded species was studied relative to oxidative metabolism and DNA damage under ambient storage (25 ± 2 °C, 50 ± 2% relative humidity). Abstract The present study was aimed to investigate the ageing-induced amendments in two recalcitrant seeded species, Madhuca latifolia and Shorea robusta. These are economically important tropical trees...
Key message Populus tomentosadevelopeda deep root system, wide-spreading and dense lateral roots, and structural roots exploring both deep and shallow soil resources to adapt to intense seasonal groundwater table fluctuation. Abstract To elucidate the root-system characteristics of P. tomentosa adapting to seasonal fluctuation in the groundwater table, coarse-root architecture and fine-root morphology...
Key message Based onCasuarina equisetifoliatranscriptome data, the present study developed and validated 15 transferable EST-SSR markers acrossCasuarinaandAllocasuarinaspecies. Abstract Casuarina species are valued as pioneer trees for coastal shelter forest construction. To accelerate Casuarina breeding for more robust, attractive, and cold-resistant cultivars, it is essential to introduce molecular...
Key message Pistachio seeds and pollen have desiccation tolerance and desiccation sensitivity ultrastructural characters at maturation, respectively. Seed cells filled with storage matter remain integrated, whereas some pollen show cell rupture. Abstract Maturation drying is a common trait of seeds and pollen. Orthodox seeds and pollen become tolerant to desiccation at maturation and remain their...
Key messageA better understanding of the influence of environmental conditions on wood formation should help to improve the radial growth of trees and to prepare for climate change. Abstract The cambial activity of trees is associated with seasonal cycles of activity and dormancy in temperate zones. The timing of cambial reactivation in early spring and dormancy in autumn plays an important role...
Key messageSandalwood essential oil or terpenoids are highly valued. This review summarizes several methods for increasing yields of sandalwood essential oil or terpenoids and the molecular mechanisms of sandalwood terpene biosynthesis. Abstract Sandalwood is highly valued for its aromatic heartwood and essential oil, which is not only broadly applied in the fragrance industry, but also has various...
Key message Water relations in the leaves of beech trees on sandstone-derived soil are supported by the presence of white fir neighbors. Abstract Climate extremes such as heat waves and prolonged periods of drought not only affect water relations of trees, but can also accelerate nitrogen (N) limitation under low soil N. To counteract these effects of climate change, it has been suggested to replace...
Key messageWithin a species, vessel length is a linear function of vessel diameter; this suggests that in future, concepts about vessel size optimization need to be revised. Abstract This study extends the previous reports that vessel length is a linear function of vessel diameter. Strong relationships were revealed in the wide-vessel species known to have long average vessel lengths. The method...
Key message Multiple linear regression based on the crown diameter (the most explicative biometric variable for pollarded trees) and diameter at breast height indices produced the more parsimonious model with moderate accuracy to estimate leaf biomass used to feed livestock in strongly seasonal silvopastures. Abstract The aim of this study is to develop allometric equation to estimate leaf biomass...
Key message This work contributes to clarify the effects of small-scaled deforestation and key traits of plants and animals on frugivory, seed dispersal and seedling recruitment of a shade-intolerant plant. Abstract Habitat destruction usually reduces the frugivory and seed dispersal by animals. This negative effect could be counterbalanced by seedling recruitment in shade-intolerant plants. We...
Key message After 3 years of elevated CO2 treatments, spruce Pn regulation from aCO2 to eCO2 was strongly related to total dry mass change (%), whereas pines displayed the same trend, but the relationship was not statistically significant. Abstract Assimilation to internal CO2 (ACi) response curve parameters were grown and quantified under ambient (aCO2) and elevated (eCO2) CO2 treatments for two...
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