The recent appearance of an apparently new and damaging biotype of the Russian wheat aphid has led to complications in the ongoing attempt to develop wheat germplasm/varieties that are resistant to this pest. Findings and implications will be discussed.
Species 1: Homoptera Aphididae Diuraphis noxia (Russian wheat aphid)
Species 2: Cyperales Poaceae Triticum aestivum (wheat)
Keywords: resistant, germplasm
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