. Annual report of the New York State College of Agriculture at Cornell University and the Agricultural Experiment Station. New York State College of Agriculture; Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 6o8 Bulletin 283. ONION. This mildew or blight, as it is commonly called, is a fungous Mildew. disease much like the blight of potatoes. Spray with Bordeaux, 5-5-50, beginning when the plants show three leaves. Repeat every ten days until crop is harvested. Add one gallon sticker (see page 502) to every 50 gallons of the mixture. It is useless to be
. Annual report of the New York State College of Agriculture at Cornell University and the Agricultural Experiment Station. New York State College of Agriculture; Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). 6o8 Bulletin 283. ONION. This mildew or blight, as it is commonly called, is a fungous Mildew. disease much like the blight of potatoes. Spray with Bordeaux, 5-5-50, beginning when the plants show three leaves. Repeat every ten days until crop is harvested. Add one gallon sticker (see page 502) to every 50 gallons of the mixture. It is useless to begin spraying after the disease appears. Cornell Bulletin 218. This can be detected by the black pustules on the leaves and Smut. bulbs. It is troublesome only where onions are grown exten- sively. It may attack the seedlings, killing them outright, or may appear on mature bulbs in fall. Onions from sets or those started in clean soil and transplanted seldom suffer. Practice crop rotation. Drill into the rows when planting seed, 100 lbs. sulfur and 50 lbs. air-slaked lime mixed, to the acre. Geneva Bulletin 182. Brown-rot. Fig. 216. i \ s ^ PEACH. This is the most serious fungous disease of stone fruits in this state and one of the most difficult to con- trol. Plant resistant varieties. Prune the trees so as to let in sunlight and air. Thin the fruit well. Spray with self-boiled lime- sulfur, 8-8-50, (see page 501), to which add 2 lbs. arsenate of lead to 50 gallons. Spray first about time shucks are shedding from young fruit; second, 2 to 3 weeks after first, using same combinations as for first; third, about one month before fruit ripens, with self-boiled lime-sulfur, 8-8-50, omitting the poison. U. S. D. A. Bureau of Entomology Circular 120. p. 6-7. This often proves trouble- some in wet seasons and particularly in damp or sheltered situations. While this disease attacks the twigs and leaves it is most conspicuous and injurious on the fruit where it appears as dark spots or b
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