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article/chapitre/communication
The results presented in this paper suggest that sugar beet became less suitable as a host for aphids after late June and early July, when the plants were at the 10-12 leaf stage. This was indicated by a faster rate of aphid mortality and greate[...]article/chapitre/communication
I. Williams ; A. Dewar ; A. Dixon | 1998article/chapitre/communication
O. Gallet ; R. Lemoine ; C. Larsson ; S. Delrot | 1989article/chapitre/communication
R. Lemoine ; S. Delrot ; O. Gallet ; C. Larsson | 1989