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Stems from amaranth (Amaranthus cruentus), an original agricultural by-product for obtaining low-density insulation bloc...

Amaranthus cruentus is a promising raw material for the biorefinery of whole plant. Stems are composed of (i) a bark on their periphery (76% w/w), and (ii) a pith in their middle (24% w/w), both usable for material applications. It is possible to separate mechanically and continuously these two fractions thanks to a fractionation process developed ...

VOC and carbonyl compound emissions of a fiberboard resulting from a coriander biorefinery: comparison with two commerci...

Indoor air quality is a major public health issue. It is related to the choice of construction materials and associated with VOC emissions. Two wood-based commercial panels were tested: a medium-density fiberboard (MDF) and a chipboard (CH), and they were compared to a material produced from a coriander biorefinery (COR). Indicators chosen to compa...

Maladies cryptogamiques : méthodes de lutte

Grassland management for sustainable agroecosystems

Knowledge on sustainable grassland management is available in the large body of literature. However, it is unclear where to look for it, and what is really relevant to the many interrelated challenges of sustainable grassland management. This special issue illustrates options to fill some of those gaps. This editorial introduces the Special Issue e...

Characterising ecological interaction networks to support risk assessment in classical biological control of weeds

A key element in weed biological control is the selection of a biological control agent that minimizes the risks of non-target attack and indirect effects on the recipient community. Network ecology is a promising approach that could help decipher tritrophic interactions in both the native and the invaded ranges, to complement quarantine-based host...

Analysis of the Rdr1 gene family in different Rosaceae genomes reveals an origin of an R-gene cluster after the split of...

The Rdr1 gene confers resistance to black spot in roses and belongs to a large TNL gene family, which is organized in two major clusters at the distal end of chromosome 1. We used the recently available chromosome scale assemblies for the R. chinensis ‘Old Blush’ genome, re-sequencing data for nine rose species and genome data for Fragaria, Rubus, ...

Redox-mediated kick-start of mitochondrial energy metabolism drives resource-efficient seed germination

Seeds preserve a far developed plant embryo in a quiescent state. Seed metabolism relies on stored resources and is reactivated to drive germination when the external conditions are favorable. Since the switchover from quiescence to reactivation provides a remarkable case of a cell physiological transition we investigated the earliest events in ene...

Production de biomasse et immobilisation de carbone et d’azote sur des sols marginaux : cas de taillis à très courte rot...

Description du sujet. Cet article présente les productions de biomasses aériennes et souterraines de jeunes taillis à très courte rotation, non fertilisés, plantés sur des sols marginaux. Objectifs. Deux sols contrastés ont permis de suivre la croissance de saule, peuplier et robinier pour estimer leur production de biomasse exportable, l’immobilis...

Which recurrent selection scheme to improve mixtures of crop species? Theoretical expectations

In a context of increasing environmental challenges, there is an emerging demand for plant cultivars that are adapted to cultivation in species mixture. It is thus pressing to look for the optimization of selection schemes to grow species mixtures, and especially recurrent selection schemes which are at the core of the improvement of many plant spe...