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13 recherche sur le mot-clé
'Plantes resistantes' 
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J. Schalk ; R. Ratcliffe | 1977
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A. van der Westhuizen ; X. Qian ; A. Botha | 1998
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A. Vanderwesthuizen ; Z. Pretorius | 1995The effect of Russian wheat aphid (RWA), Diuraphis noxia infestation on protein, free amino acid, free proline, chlorophyll and phenolic contents as well as respiration rate was studied in resistant (cv Tugela-DN) and susceptible (cv Tugela) whe[...]
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K. Larson ; T. Whitham | 1997Gall forming herbivores induce sinks and act as phloem parasites within their host plants. Their performance on the host plant can depend on the sink-source relationship they establish with the plant. Because sink-source relationships within a p[...]
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K. Dorschner ; J. Ryan ; R. Johnson ; R. Eikenbary | 1987
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rapport
G. Van Marrewijk ; De Ponti O.M.B. | 1975
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N. Birch | 1984
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L. Mohase ; A. Vanderwesthuizen | 2002The effect of Russian wheat aphid (RWA), Diuraphis noxia (Mordvilko), infestation on the salicylic acid (SA) content and catalase (EC 1.11.1.6) activity were studied in resistant (cv. Tugela DN) and nearisogenic susceptible (cv. Tugela) wheat (T[...]
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M. Van Helden ; W. Tjallingii | 1993
