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Show SEED POTATO SELECTION All seed for test plots must be hand selected for freedom from fu-sarium fu-sarium wilt, and large spots of rhiz-octonia. rhiz-octonia. Cut slices not over one-eighth one-eighth inch from the stem of the potato. po-tato. Reject all potatoes showing infection. in-fection. Treat selected seed thus: Have the corrosive sublimate put up in two ounce packages. Dissolve two ounces of this in 15 gallons of water or four ounces in 30 gallons of water. Measure the quantities, do not guess at them. Make the solution in a wooden barrel or tub and stir with a wooden paddle. Soak the selected seed for one and one-half hours. Each batch of the solution is good to treat not more than four batches of potatoes. It becomes be-comes weak and is useless after. Green the potatoes for a few days before be-fore planting. If sets are used make them of good siie and plant soon after af-ter they are cut. This treatment will kill both scab and rhizoctonia. Plant as much of the field as possible pos-sible with the selected seed, marking the field at time of planting so as to be able to keep track of the different lots. A few rows of bin run seed should be planted as a check. This should not be treated. - Remember that your fields will be visited by neighbors. |