Research Bulletin, Issues 20-31

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Page 139 - May 1 May 8 May 15 May 22 May 29 June 5 June 12 June 19 June 26 July 3 July 10 July 17 July 24 July 31 Aug. 7 Aug. 14 Aug. 21 Aug. 28 Sept.
Page 76 - F. orthoceras for the organism known in the United States as F. oxysporum Schlecht. The reasons for this are given. Manns, TF The Fusarium Blight and Dry Rot of the Potato. Ohio Agr. Expt. Sta. Bui. 229: 299-336. 1911. Smith, EF, and Swingle, DB The Dry Rot of the Potato due to Fusarium oxysporum. US Dept. Agr., Bur.
Page 55 - A study of the environmental conditions influencing the development of stem rust in the absence of an alternate host.
Page 20 - growing season" is applied to the period between the last killing frost in the spring and the first killing frost in the fall.
Page 12 - ... be stored in cool, dry rooms and used early in the season. They should not be fed raw to stock. (13) Infected land should be planted to other crops for a series of years. Tentatively, at least, it would be best to exclude also tomatoes, eggplants, and peppers from such land.
Page 50 - Schultz, ES, Folsom, Donald, Hildebrandt, F. Merrill, and Hawkins, Lon A. Investigations on the mosaic disease of the Irish potato. Jour.
Page 55 - STAKMAN, EC and LEVINE. MN The determination of biologic forms of Puccinia graminis on Triticum spp.
Page 12 - Fusariuin. (4) The above-ground symptoms are slow change of color, dwarfing, more or less rolling or curling of the leaves, and, finally, a wilt of the foliage and the falling down of the stems. (5) The first symptoms in the tuber are nearly always at the stem end in the form of browned or blackened vascular bundles. During this stage of the disease the tubers are sound externally. The dark stain in the vessels may finally extend to the eye end of the tuber, the parenchyma within and without remaining...
Page 15 - Plainly these plants have been weakened by disease, their power of resistance lessened, and their vigor impaired. Examination showed that soil infection acted here to produce the disease.

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