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![Obtaining virus-free hop (Humulus lupulus L.) plants by heat treatment and microcutting](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Obtaining virus-free hop (Humulus lupulus L.) plants by heat treatment and microcutting
Legrand, G. & Maroquin, C. (1987). Obtaining virus-free hop (Humulus lupulus L.) plants by heat treatment and microcutting. Parasitica, 43: (1),
![Statistical interpretation of 13 years of observations relating to the dynamics of aphid populations on wheat in Belgium, and the practice of forecasting](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Statistical interpretation of 13 years of observations relating to the dynamics of aphid populations on wheat in Belgium, and the practice of forecasting
Latteur, G. , Oger, R. & Proft, M. (1987). Statistical interpretation of 13 years of observations relating to the dynamics of aphid populations on wheat in Belgium, and the practice...
![Suction trapping and forecasting aphids in cereals](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Suction trapping and forecasting aphids in cereals
Latteur, G. & Nicolas, J. (1987). Suction trapping and forecasting aphids in cereals In: Aphid migration and forecasting 'Euraphid' systems in European Community countries. Luxembourg,...
![An attempt to reduce the importance of a rookery (Corvus frugilegus) located in an urban park](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
An attempt to reduce the importance of a rookery (Corvus frugilegus) located in an urban park
Hoyoux, J. (1987). An attempt to reduce the importance of a rookery (Corvus frugilegus) located in an urban park. Bulletin des Recherches Agronomiques de Gembloux, 22: (1),
![Resistance of winter barley to attacks of Typhula incarnata Lasch in relation to the development stage and cold hardening of plants](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Resistance of winter barley to attacks of Typhula incarnata Lasch in relation to the development stage and cold hardening of plants
Cavelier, M. (1987). Resistance of winter barley to attacks of Typhula incarnata Lasch in relation to the development stage and cold hardening of plants. Parasitica, 43: (3),
![Disease resistance in old fruit tree cultivars: evaluation and commercial value](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Disease resistance in old fruit tree cultivars: evaluation and commercial value
Bauvin, J. , Lateur, M. & Populer, C. (1987). Disease resistance in old fruit tree cultivars: evaluation and commercial value. Mededelingen van de Faculteit Landbouwwetenschappen,...
![Collection variétale de céréales](https://www.cra.wallonie.be/uploads/2020/05/collection-cereales-ps_xl.jpg 1024w,https://www.cra.wallonie.be/uploads/2020/05/collection-cereales-ps_xl.jpg 1024w,https://www.cra.wallonie.be/uploads/2020/05/collection-cereales-ps_lg.jpg 750w,https://www.cra.wallonie.be/uploads/2020/05/collection-cereales-ps_md.jpg 540w,https://www.cra.wallonie.be/uploads/2020/05/collection-cereales-ps_sm.jpg 420w)
Collection variétale de céréales
Constitution et maintien d’une collection de semences de céréales à paille.
![Evaluation des variétés en vue de leur inscription au catalogue belge](https://www.cra.wallonie.be/uploads/2020/05/obev-ps_xl.jpg 1024w,https://www.cra.wallonie.be/uploads/2020/05/obev-ps_xl.jpg 1024w,https://www.cra.wallonie.be/uploads/2020/05/obev-ps_lg.jpg 750w,https://www.cra.wallonie.be/uploads/2020/05/obev-ps_md.jpg 540w,https://www.cra.wallonie.be/uploads/2020/05/obev-ps_sm.jpg 420w)
Evaluation des variétés en vue de leur inscription au catalogue belge
Le CRA-W est reconnu comme Office Belge d’Examen des Variétés (OBEV) et, à ce titre, il réalise les essais permettant de déterminer si une variété peut être ou non inscrite au catalogue...
![Contrôle de la répartition des pulvérisations agricoles au moyen de l'analyse par activation neutronique](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Contrôle de la répartition des pulvérisations agricoles au moyen de l'analyse par activation neutronique
Gasia, M. , Caussin, R. , Dardenne, P. & Biston, R. (1986). Contrôle de la répartition des pulvérisations agricoles au moyen de l'analyse par activation neutronique Revue de l'Agriculture...