. School and home gardening; a text book for young people, with plans, suggestions and helps for teachers, club leaders and organizers. Gardening; School gardens. 284 SCHOOL AND HOME GARDENING (145, 146, 147, and 148) should be studied before deciding what type or size to procure. 1, Preventing Grain Smut.—Soak a can full of oats for ten minutes in a solution made of one ounce of formalin (formaldehyde) in three gallons of water. Then pour oflf the liquid and dry the grain on a smooth floor. Seed which is thus treated should be planted in a row or small plot in the garden beside a similar area
. School and home gardening; a text book for young people, with plans, suggestions and helps for teachers, club leaders and organizers. Gardening; School gardens. 284 SCHOOL AND HOME GARDENING (145, 146, 147, and 148) should be studied before deciding what type or size to procure. 1, Preventing Grain Smut.—Soak a can full of oats for ten minutes in a solution made of one ounce of formalin (formaldehyde) in three gallons of water. Then pour oflf the liquid and dry the grain on a smooth floor. Seed which is thus treated should be planted in a row or small plot in the garden beside a similar area planted with seed of the same kind but not treated. As the crops come to head, any differences as to the amount of smut disease shguld be noticed and the proportion of smut, if any, in each case should be deter- mined. This may be done by placing a ring of wire about a number of the plants and counting within the wire how many plants are diseased and how many are not. Figure the percentage in each case. Grain smut is of several kinds. The commonest form in oats appears in col- lections of black masses of spores on the heads before the grain is ripe (Fig. 149). This greatly re- duces the yield of grain and affects the value of the grain produced. The treatment given in this exercise is simple and inexpensive. It usually prevents nearly all of the disease in the following crop. Stinking smut- of wheat is a serious dis- ease. Smut disease of any kind in the small grains may be preve^ted by the treatment of seed as given in this exercise. This method does not prevent the smut in corn. 2. Preventing Potato Scab.—Make a solution of formalin by placing one ounce of formalin (formaldehyde) in two gallons of. FiQ. 145.—A type of sprayer called "atomizer," suitable for both young and old if the garden is not Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of the
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