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![Using resistance to the toxin of Helminthosporium sativum as a means of selecting cereals: toxicity tests and toxin preparation](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Using resistance to the toxin of Helminthosporium sativum as a means of selecting cereals: toxicity tests and toxin preparation
Dutrecq, A. , Sommereyns, G. & Semal, J. (1978). Using resistance to the toxin of Helminthosporium sativum as a means of selecting cereals: toxicity tests and toxin preparation....
![Interference of an epidemic caused for the first time in Belgium by Typhula incarnata Lasch ex Fr. with a recrudescence of barley yellow dwarf on winter barley. Characterization of symptoms and evaluation of their respective effects on yields](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Interference of an epidemic caused for the first time in Belgium by Typhula incarnata Lasch ex Fr. with a recrudescence of barley yellow dwarf on winter barley. Characterization of symptoms and evaluation of their respective effects on yields
Cavelier, M. & Maroquin, C. (1978). Interference of an epidemic caused for the first time in Belgium by Typhula incarnata Lasch ex Fr. with a recrudescence of barley yellow dwarf...
![Plant disease. An advanced treatise Vol. II. How disease develops in populations](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Plant disease. An advanced treatise Vol. II. How disease develops in populations
(1978). Plant disease. An advanced treatise Vol. II. How disease develops in populations In: Plant disease. An advanced treatise Vol. II. How disease develops in populations.
![Observations climatologiques de l'année 1976](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Observations climatologiques de l'année 1976
Oger, R. (1977). Observations climatologiques de l'année 1976. Bull. Rech. Agron., Gembloux, 12: (1-2), 173-182.
![L'échantillonnage appliqué à la détermination des propriétés physiques et mécaniques du bois.](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
L'échantillonnage appliqué à la détermination des propriétés physiques et mécaniques du bois.
Oger, R. & Leclercq, A. (1977). L'échantillonnage appliqué à la détermination des propriétés physiques et mécaniques du bois. Bull. Rech. Agron., Gembloux, 12: (4), 331-338.
![Considérations sur la détermination de la qualité bactériologique des fournitures laitières. La numération visuelle et automatique des colonies microbiennes sur boîtes de Pétri.](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Considérations sur la détermination de la qualité bactériologique des fournitures laitières. La numération visuelle et automatique des colonies microbiennes sur boîtes de Pétri.
Van Reusel, A. , Laloux, J. , Couvreur, L. & Oger, R. (1977). Considérations sur la détermination de la qualité bactériologique des fournitures laitières. La numération visuelle...
![Modifications of the cytoplasmic ultrastructure of leaf cells of cherry and raspberry infected by raspberry ringspot virus](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Modifications of the cytoplasmic ultrastructure of leaf cells of cherry and raspberry infected by raspberry ringspot virus
Rassel, A. & Maroquin, C. (1977). Modifications of the cytoplasmic ultrastructure of leaf cells of cherry and raspberry infected by raspberry ringspot virus. Parasitica, 33: (4),...
![Indirect method of infecting aphids with Entomophthora spp](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
Indirect method of infecting aphids with Entomophthora spp
Latteur, G. (1977). Indirect method of infecting aphids with Entomophthora spp. Parasitica, 33: (2),
![On the possibility of direct infection of aphids by Entomophthora from soils harbouring a natural inoculum](https://www.cra.wallonie.be/assets/themes/default/images/image-empty.jpg)
On the possibility of direct infection of aphids by Entomophthora from soils harbouring a natural inoculum
Latteur, G. (1977). On the possibility of direct infection of aphids by Entomophthora from soils harbouring a natural inoculum. Comptes Rendus Hebdomadaires des Seances de l'Academie...