Winter wheat cold hardiness and fructan reserves affected by Rhopalosiphum padi (Homoptera: Aphididae) feeding

The cold hardiness of "Winoka" and "Genesee" winter wheats was each significantly less (P = 0.05) when fed upon by bird-cherry oat aphids, Rhopalosiphum padi , than non-infested seedlings. Aphid feeding also reduced the amount of fructans in crown tissue ca. 20% compared to extra...

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Veröffentlicht in:	Great Lakes entomologist 1985, Vol.18 (1), p.29-32
Hauptverfasser:	WELLSO, S. G, OLIEN, C. R, HOXIE, R. P
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal and plant ecology Animal, plant and microbial ecology Animals Aphididae Autoecology Biological and medical sciences Fundamental and applied biological sciences. Psychology Protozoa. Invertebrata Rhopalosiphum padi Triticum
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Zusammenfassung:	The cold hardiness of "Winoka" and "Genesee" winter wheats was each significantly less (P = 0.05) when fed upon by bird-cherry oat aphids, Rhopalosiphum padi , than non-infested seedlings. Aphid feeding also reduced the amount of fructans in crown tissue ca. 20% compared to extracts from crowns of non-infested seedlings. It appears that the cold hardiness of these wheat cultivars may have been reduced because of fructan depletion by insect feeding.
ISSN:	0090-0222