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![Agronomic comparison of two sets of SSD barley lines differing for the ym4 resistance gene against barley mosaic viruses](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Agronomic comparison of two sets of SSD barley lines differing for the ym4 resistance gene against barley mosaic viruses
Le Gouis, J. , Jestin, L. , Ordon, F. , De Froidmont, D. , Beghin, D. , Joseph, J. & Froidmont, F. (1999). Agronomic comparison of two sets of SSD barley lines differing for the...
![Evaluation of fruit tree genetic resources as sources of polygenic scab resistance in an apple breeding programme](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Evaluation of fruit tree genetic resources as sources of polygenic scab resistance in an apple breeding programme
Lateur, M. , Wagemans, C. & Populer, C. (1999). Evaluation of fruit tree genetic resources as sources of polygenic scab resistance in an apple breeding programme. Acta Horticulturae,...
![Effects of wheat foliar fungicides on the aphid endoparasitoid Aphidius rhopalosiphi DeStefani-Perez (Hym., Aphidiidae) on glass plates and on plants](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Effects of wheat foliar fungicides on the aphid endoparasitoid Aphidius rhopalosiphi DeStefani-Perez (Hym., Aphidiidae) on glass plates and on plants
Jansen, J.P. (1999). Effects of wheat foliar fungicides on the aphid endoparasitoid Aphidius rhopalosiphi DeStefani-Perez (Hym., Aphidiidae) on glass plates and on plants. Journal...
![Selectivity of plant protection products used in wheat in summer on the major cereal aphid natural enemies](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Selectivity of plant protection products used in wheat in summer on the major cereal aphid natural enemies
Jansen, J.P. (1999). Selectivity of plant protection products used in wheat in summer on the major cereal aphid natural enemies. Med. Fac. Landbouwwet. Univ. Gent, 64: (3a), 25-40.
![Influence of some experimental factors on the evaluation of the sensitivity of Aphidius rhopalosiphi De Stefani-Perez to phosalone](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Influence of some experimental factors on the evaluation of the sensitivity of Aphidius rhopalosiphi De Stefani-Perez to phosalone
Guelton, O. , Mahaut, T. , Deleu, R. , Schiffers, B. , Palm, R. & Claustriaux, J. (1999). Influence of some experimental factors on the evaluation of the sensitivity of Aphidius...
![The pear buprestid, Agrilus sinuatus Olivier, a resurgent pest of our fruit tree crops](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
The pear buprestid, Agrilus sinuatus Olivier, a resurgent pest of our fruit tree crops
Fassotte, C. (1999). The pear buprestid, Agrilus sinuatus Olivier, a resurgent pest of our fruit tree crops. Fruit Belge, 67: (478),
![Pear bud weevil, Anthonomus piri Kollar, a pest not to be overlooked in pear crops](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Pear bud weevil, Anthonomus piri Kollar, a pest not to be overlooked in pear crops
Fassotte, C. (1999). Pear bud weevil, Anthonomus piri Kollar, a pest not to be overlooked in pear crops. Fruit Belge, 67: (478),
![Identification of mitochondrial plasmid like DNAs in Picea abies (L.) Karst](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Identification of mitochondrial plasmid like DNAs in Picea abies (L.) Karst
Chandelier, A. , Du Jardin, P. , Avril, C. & Paques, M. (1999). Identification of mitochondrial plasmid like DNAs in Picea abies (L.) Karst. Plant Cell Reports, 18: (10), 841-847.
![First record of alder (Alnus glutinosa) Phytophthora in Belgium](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
First record of alder (Alnus glutinosa) Phytophthora in Belgium
Cavelier, M. , Claessens, H. & Etienne, M. (1999). First record of alder (Alnus glutinosa) Phytophthora in Belgium. Parasitica, 55: (2/3),