Successful farming : a ready reference on all phases of agriculture for farmers of the United States and Canada . me yellow or brown and fall. It also attacksthe fruit, causing spots which are at first red, becoming dark and in severecases causing the fruit to crack. It is carried over the winter on the fallenleaves. Treatment.—This disease can be controlled by spraying with Bordeauxmixture, beginning when the leaves are about half or two-thirds full grownand repeating at intervals of three weeks until four treatments have beengiven. Rots.—The black rot and brown rot also occur on the pear. (S
Successful farming : a ready reference on all phases of agriculture for farmers of the United States and Canada . me yellow or brown and fall. It also attacksthe fruit, causing spots which are at first red, becoming dark and in severecases causing the fruit to crack. It is carried over the winter on the fallenleaves. Treatment.—This disease can be controlled by spraying with Bordeauxmixture, beginning when the leaves are about half or two-thirds full grownand repeating at intervals of three weeks until four treatments have beengiven. Rots.—The black rot and brown rot also occur on the pear. (SeeApple.) Crown Gall.—See Apple. 944 SUCCESSFUL FARMING QUINCE Rust (G. clavipes, C. and P.).—This disease is very similar to the rustson apples and pears, but is more severe on the fruit and twigs than on eitherof the preceding. It also has the cedar for its alternate host. Blight.—See Pear. Leaf Spot.—See Pear. Rots.—See Apple. Crown Gall.—See Apple. PEACHBrown Rot (Sclerotinia fructigena [Pers.], Schroet.).—This is one ofthe most destructive diseases of the peach. It attacks the fruit as. Peaches Entirely Destroyed by Brown gray masses of spores of fungus. it is approaching maturity, causing it to rot, become brown, soft and use-less. The fungus produces an abundance of spores which form a densebrown, powdery mass over the fruit. It also attacks the blossoms, causingthem to die, turn brown and fall soon after opening. It then spreads to thetwigs, causing death of the young shoots and causing cankers on the olderbranches. Treatment.—See spray table for peach. Scab or Freckles (Cladosporium carpophilum, Thuem.).—This extremelycommon disease attacks the fruit, causing sooty, black specks or blotches 1From Farmers Bulletin 440, U. S. Dept. of Agriculture. DISEASES OF CROPS 945 which, when severe, may prevent normal ripening and cause the fruit to beirregular in shape and to crack. Treatment.—See spray table for peach. Leaf Curl (Exoascus defo
Size: 1946px × 1284px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
