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ILU ill V il^llim 11119 JC<tI it Has probably been present for a number of years. The varieties Vahart, Thorne, VPf 131, and Forward which the Atlas wheats replace are resistant to mosaic and, consequently, were only slightly affected by it. The planting of sus-1 ccptible wheats is mosaic infested soil has brought about a wide spread outbreak of the disease. It is not known how the mosaic virus is spread on farm to farm, but there is evidence that it is not seed borne. Use of resistant varieties is the only means of control. v
Glume bloch, on the other hand, has been a common disease of our wheats for many ye;ys. It is most serious in years of abundant spring rainfall. This disease is caused by a fungus and may be seed-borne. The fungus may be eliminated from seed by treatment with mercurial compounds XCeresan M, Panogen, Etc.) However, for good control, seed treat ment must be coupled with a two year rotation and destruction of wheat crop residues. Apparently, the varieties replaced by Atlas wheats are more tolerant of glume bloch and yield well although the disease develops considerably on them.”
Eddie Gore is the only Rappahannock Farmer who has qsed either of the Atlas wheats. Actually his 1952
69.5%