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Oilseed Rape Cultivars Show Diversity of Root Morphologies with the Potential for Better Capture of Nitrogen
14 décembre 2021,
- HE Condorcet
,
- Article scientifique
Article scientifique
The worldwide demand for vegetable oils is rising. Oilseed rape (Brassica napus) diversifies cereal dominated crop rotations but requires important nitrogen input. Yet, the root organ is offering an untapped opportunity to improve the nitrogen capture in soil. This study evaluates three culture systems in controlled environment, to observe root morphology and to identify root attributes for superior ...
Use of self-organizing map to analyze images of fungi colonies grown from Triticum aestivum seeds disinfected by ozone treatment
16 octobre 2012,
- HE Condorcet
- CARAH
,
- Article scientifique
Article scientifique
We submitted to ozone treatment Triticum aestivum (common wheat) seeds severely contaminated by fungi. Fungi colonies developed when seeds were placed over malt agar medium in Petri dishes; Fusarium sp. and Alternaria sp. were identified. However, conventional colonies counting did not allow a clear assessment of the effect of ozone disinfection. We thus used self-organizing maps (SOMs) to perform ...
Biodiversity of Fusarium species in ears and stalks of maize plants in Belgium
21 avril 2011,
- CARAH
,
- Article scientifique
Article scientifique
In order to investigate the pre-harvest contamination of maize plants by Fusarium species in Belgium, a three-year survey has been performed in five fields in which three hybrids differing in susceptibility to maize stalk rot were sampled at four different physiological stages. An extensive collection of 5,659 Fusarium isolates characterized at the species level was established during the 2005, 2006, ...
Quel comportement de développement adoptent les rameaux de la vigne après une gelée printanière ?
29 avril 2021,
- HE Condorcet
- CARAH
,
- Article scientifique
Article scientifique
L'épisode gélif que nous avons connu en ce début avril nous rappelle combien la météo peut impacter les cultures, notamment fruitières et viticoles. Un tel phénomène s'est également produit l'année dernière, en mai, alors que les vignes se trouvaient à un stade particulièrement sensible de leur développement. À cette occasion, le Carah a observé et analysé comment les différents cépages de son ...