. Diseases of wheat, oats, barley, and rye. Grain. 132 ILLINOIS NATURAL HISTORY SURVEY CIRCULAR 48 cereals. A discussion of the disease and the fungus are given under wheat, page 36. Rye kernels severely affected by the disease are wrinkled and shriveled, have a rough surface, and are covered with a powdery, carmine growth. Lightly affected kernels are dark. Fig. 48.—Scab on rye. Infected spikelets are light colored and blighted; they produce shriveled grain. Rye heads seldom become diseased throughout. brown. In most years, rye scab is of little economic importance in Illinois, although the d
. Diseases of wheat, oats, barley, and rye. Grain. 132 ILLINOIS NATURAL HISTORY SURVEY CIRCULAR 48 cereals. A discussion of the disease and the fungus are given under wheat, page 36. Rye kernels severely affected by the disease are wrinkled and shriveled, have a rough surface, and are covered with a powdery, carmine growth. Lightly affected kernels are dark. Fig. 48.—Scab on rye. Infected spikelets are light colored and blighted; they produce shriveled grain. Rye heads seldom become diseased throughout. brown. In most years, rye scab is of little economic importance in Illinois, although the disease can be found every year. Control.—The same control measures given for scab on wheat, page 40, apply to scab on rye. ANTHRACNOSE Colletotrichum graminicola Anthracnose on rye, fig. 49, is very similar to anthracnose on wheat, page 50. Resulting stem discoloration is, however, more pronounced on rye than on wheat. Many affected rye plants are stunted and blighted, and the portion of the head above a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Boewe, Gideon Herman, 1895-. [Urbana]
Size: 1750px × 1427px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcolle, bookpublisherurbana, booksubjectgrain