Century Dictionary and Cyclopedia
- n. A disease of the cherry, peach, and plum, due to various species of Exoascus.
“These include a natural pesticide that fights mites and prevents leaf-curl disease, concocted by Popatbhai Rupabhai Jambucha, an illiterate farmer from Gujurat; and a herbal pesticide that keeps aphids, white flies and mealy bugs away, this one made by Arkhiben Mithabhai Vankar, a village healer and midwife.”
“These include Psophocarpus necrotic mosaic virus, Psophocarpus ringspot mosaic virus, and leaf-curl and little-leaf of unknown etiology.”
“Leaves infected with leaf-curl become dark green, thickened, and dwarfed, they curl downwards and show abnormal branching.”
“Has any one tried it as a preventive to pear blight? or mildew on the gooseberry? or the grape rot? or for the yellows or leaf-curl in peach trees? or for the rust in the blackberry and raspberry?”
“In the case of tender fruits, as peaches, however, it may not be advisable to thin very heavily by means of pruning, since the fruit may be still further thinned by the remaining days of winter, by late spring frost, or by the leaf-curl or other disease.”
“Spray as for leaf-curl and follow with two applications of potassium sulfide, 1 oz. to 3 gal., the first being made soon after the fruit is set and the second when the fruit is half grown.”
“a deformation of the foliage, much like the leaf-curl produced by over-feeding.”
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