. Diseases of economic plants . Plant diseases. CEREALS 355 with a dark green powder. Sometimes a yellow color pre- vails instead of the green. In section the interior is seen to be filled with a compact white mass, bordered by a brown- ish yellow zone, then by the green coating. Though the disease has been known in Louisiana for ten or more years, and is there present to some extent in most fields, it is not considered serious, since rarely more than per cent of the heads, and only a few grains per head, are affected. Black smut {Tilletia horrida Tak.). — A smut upon rice received by And
. Diseases of economic plants . Plant diseases. CEREALS 355 with a dark green powder. Sometimes a yellow color pre- vails instead of the green. In section the interior is seen to be filled with a compact white mass, bordered by a brown- ish yellow zone, then by the green coating. Though the disease has been known in Louisiana for ten or more years, and is there present to some extent in most fields, it is not considered serious, since rarely more than per cent of the heads, and only a few grains per head, are affected. Black smut {Tilletia horrida Tak.). — A smut upon rice received by Anderson' from Georgetown, , in 1898, was reported as darkening flour made from rice from affected fields. Many heads bore as much as 25 per cent of smutted grains. In Louisiana it is also reported, but not usually in amounts to cause much loss. This smut was probably imported from Japan in infected seed, but due to the immediate action of Anderson and Walker the pest seems to have been completely stamped out in South Carolina within the first few years after its advent. No reports whatever of its presence there have been made since Fia. 152, — Rice showing black smut. After Fultofl. 1 Anderson, A. P., Agr. Exp. Sta. Bui. 41, March, 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 Stevens, Frank Lincoln, 1871-1934; Hall, John Galentine, 1870-. New York : Macmillan
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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910
