BYDV

Because unfriendly temperatures kill the aphids that vector BYDV in the fall planting near or after the first freeze is a good way to avoid BYDV pollutions.

Symptoms of BYDV can easily be confused with Barley Stunt (Rhizoctonia solani), which has been confirmed extensively on light soils in the west Midlands.

Hoping to genetically add BYDV resistance to wheat, Purdue University agronomists Hari C.

Because strains of BYDV had not been distinguished before 1956, there is no way of determining whether PAV was a new mutant early in the process of invasion, or an older virus relieved of ecological constraints that had been preventing its spread.

Dominant gene Bdv1and Bdv2confers tolerance to BYDV in some wheat varieties that induces slow yellowing.In Pakistan total nucleic acid (TNA) of growing wheat varieties should be evaluated through polymerase chain reaction (PCR) assay using Bdv1andBdv2gene sense and antisense primers to check the presence or absence of resistance against BYDV.

Although the effects of some other plant viruses, such as Tomato mottle virus (ToMoV) and Barley yellow dwarf virus (BYDV), on their vectors were studied (McKenzie 2002; Fiebig et al.

It will also be an ideal host crop for a variety of diseases such as mildew, yellow rust, septoria, BYDV, brown rust, rhyncosporium, net blotch and just about everything apart from the common cold.

In recent years, genes from alien species have been successfully used to improve genetic resistance of wheat to numerous pathogens, including barley yellow dwarf virus (BYDV) (McGuire et al., 1995; Fedak et al., 2001), leaf and stripe rust (caused by Puccinia triticina Eriks.

Barley yellow dwarf virus (BYDV) is the most widespread and economically important virus of cereal crops in the world; it may also be the most studied (Irwin and Thresh 1990).

2011), barley yellow dwarf virus (BYDV) (Wangai et al.

VA79-45-101 was derived from an [F.sub.2] population comprised of two crosses: (i) CIho 7386/'Surry'// CIho 9623, CIho 9658, CIho 9708, BYDV Resistant 'Atlas'/ Many Genotypes; (ii) CIho 7386/Surry//Barsoy/'Hanover' (Starling et al., 1970; 1980b).

x giganteus is from a laboratory study of aphid transmission of Barley yellow dwarf virus (BYDV) (Huggett et al.