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A. Givovich ; H. Niemeyer | 1995Feeding behaviour of five species of cereal aphids in wheat seedlings differing in hydroxamic acid (Hx) levels, was monitored via electrical penetration graphs (EPG). Aphid species could be grouped as sensitive to the feeding deterrent effect of[...]
article/chapitre/communication
A. Givovich ; H. Niemeyer | 1994The feeding behaviour of five cereal aphid species in wheat seedlings (measured by the time taken by an aphid to penetrate the phloem and the time spent in committed pholem ingestion) and their performance (measured as mean relative growth rates[...]
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A. Givovich ; J. Sandstrom ; H. Niemeyer ; J. Pettersson | 1994Phloem sap of wheat seedlings differing in whole leaf hydroxamic acid (Hx) concentrations was collected by cutting stylets of feeding aphids. DIMBOA-glucoside was the only Hx-related product found. Concentration of DIMBOA-glucoside in phloem sap[...]
article/chapitre/communication
A. Givovich ; H. Niemeyer | 1996Wheats and triticales resistant to Russian wheat aphid (RWA), Diuraphis noxia, contained medium to very high concentrations of hydroxamic acids. Feeding behaviour and performance of RWA in wheat seedlings differing in hydroxamic acid (Hx) levels[...]
