Robinson, Jonathan CIMMYT Research Report No. 3 Identification and Characterization of Resistance to the Russian Wheat Aphid in Small-Grain Cereals: Investigations at CIMMYT 1990-92 - México D. F. CIMMYT 1994 - 44 ISBN: 968-6923-41-1 ISSN: 0188-2465 Subjects--Index Terms: Pathology RUSSIAN WHEAT APHID DIURAPHIS NOXIA