Bulletin Volume 1-23 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1893 Excerpt: ... changes in the Station staff, no records of the yield in either grain or straw were kept in this last set of experiments. It is only interesting therefore in showing the wonderful effect of the copper sulphate treatmenl in the suppression of smut. The relative per cent stands are given as showing that large yields of straw and grain could be expected. I am likewise informed by various laborers on the station that tlie yields of both wheat and straw were unusually heavy, the wheat-crop of the whole Palouse country being a very large one that year. Before leaving this form of smut I may add that Bolley Bulletin Ko. 27 North Dakota Ex. Station for 1897, P. 139 et al. has found that Corrosive Sublimate (HgCL) is a very effective fungicide when used in the proportion of 1 lb. to 50 gallons of water, or 2 parts to the 1,000. The pile of grain should be sprayed with just enough of the liquid to wet the individual grains over their whole surfaces, the whole mass being shoveled constantljr during the spraying. He also recommends highly Formalin (HCOH), a liquid with marked antiseptic properties, and used in the same way as Corrosive Sublimate, but the proportions 1 to 1,000. LOOSE SMUT OP WHEAT. (Ustilago tritici (Pers) Jensen ) This smut is a very different one from the last in many respects. In the first place it does not conceal itself within the bran of the wheat, as does the bunt, but attacks chaff as well as kernel, devouring both, and leaving behind it, when its work is completed, only the blackened rachis or stalk of the wheat-head. In the second place it has no foetid smell. In the third place it ripens at about the time the good ears of wheat are coming into flower, and not at harvest-time, as does the bunt. It is not nearly so destructive as the bunt, at...