. 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). The Control of Insect Pests and Plant Diseases. 607 tins 254 and 266.) For use of insecticides in Bordeaux, see "; (p. 478.) This is a fungous disease most evident on the leaves, making Downy large brown spots on upper surface with white downy growth mildew. beneath. It also attacks the green fruit, causing what is known to g
. 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). The Control of Insect Pests and Plant Diseases. 607 tins 254 and 266.) For use of insecticides in Bordeaux, see "; (p. 478.) This is a fungous disease most evident on the leaves, making Downy large brown spots on upper surface with white downy growth mildew. beneath. It also attacks the green fruit, causing what is known to growers as "hard white ; Bordeaux as applied for black-rot (page 492) will control this disease. LETTUCE. This is a fungous disease often destructive in greenhouses, dis- Drop or rot. covered by the sudden wilting of the plants. It is completely controlled by steam sterilization of the soil to the depth of two inches or more. If it is not feasible to sterilize the soil, use fresh soil for every crop of lettuce. Massachusetts Bulletin 69. Downy mildew. MUSKMELON. This is commonly called "blight" and is a very troublesome disease. The leaves show angular, dead, brown spots, then' dry up and die; the fruit often fails to ripen and lacks flavor. The disease is caused by the same fungus as is the downy mildew of cucumbers. No effective of control is known. While Bordeaux has proved efTective in controlling the downy mildew en cucumbers, it seems to be of little value in fighting the same disease on melons. Report of Botanist of Connecticut Station, 1904. This is same as the wilt of cucumbers; same treatment is given. OATS. WUt. Smut. Fig. 215. The most common and destructive disease of oats is smut, carried over from one season to the next by the fungus spores on the seed. It is entirely prevented by treating the seed oats before planting with a solution of formalin, i pint to 45 or 50 gallons of water. Place the oats on a clean floor and sprinkle on
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