Aphids damage major world food and fiber crops through direct feeding and transmission of
plant viruses. Fortunately, the development of many aphid‐resistant crop plants has …

Publisher Summary This chapter reviews the genetics of resistance to insects in crop plants.
These genes have been utilized in developing insect-resistant cultivars. Insect-resistant …

Plants may also be resistant to arthropods via the tolerance category of resistance, as
defined in Chapter 1, by possessing the ability to withstand or recover from damage caused …

The soybean aphid (Aphis glycines Matsumura), a new pest of soybean [Glycine max (L.)
Merr.], rapidly spread throughout North America after its arrival in 2000 and caused millions …

Host-plant resistance plays an important role in the management of the insect pests of wheat
(Triticum sp.). The Hessian fly [Mayetiola destructor (Say)] and the Russian wheat aphid …

The genetic resources of cereal crops in terms of resistance to aphids are reviewed.
Phytosanitary destabilization led to a significant increase in the harmfulness of this group of …

As an alternative to synthetic pesticides, chitosan has received much attention as a
biopolymer active against some agricultural pests. The, insecticidal activity of chitosans of …

Biotypic diversity of the greenbug, Schizaphis graminum (Rondani)(Hemiptera: Aphididae),
was assessed among populations collected from cultivated wheat, Triticum aestivum L., and …

A 1.0 kb region of the mitochondrial cytochrome oxidase subunit I gene from the greenbug
aphid, Schizaphis graminum (Rondani), was sequenced for 24 field collected clones from …

Abstract Greenbug (Schizaphis graminum Rondani) biotypes are classified by their
differential virulence to wheat, barley, and sorghum varieties possessing greenbug …