. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. APHIDS 51 (Black Leaf "40" 1 to 800 or Black Leaf 1 to 50). A badly infested tree will re- quire three gallons or more. The lice hibernating on the trunk can be destroyed by a winter application of lime-sulphur. The stock of the Northern Spy Apple is resistant to the Woolly Aphis. Pear. See Apple. Quince. See Apple. Pomegranate. See App
. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. APHIDS 51 (Black Leaf "40" 1 to 800 or Black Leaf 1 to 50). A badly infested tree will re- quire three gallons or more. The lice hibernating on the trunk can be destroyed by a winter application of lime-sulphur. The stock of the Northern Spy Apple is resistant to the Woolly Aphis. Pear. See Apple. Quince. See Apple. Pomegranate. See Apple. X PLUM AlVD PRUNE The Mealy Plum Aphis Hyalopterus arundinis Fabr. This is a longish, rather narrow aphid. It is pale green in color and is covered with a whitish mealy powder. It inhab- its the plum during winter and spring, often becoming intensely abundant on the leaves during March and April. In May the great majority of the lice be- come winged and migrate to grasses, but a few remain on the plum during the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lowther, Granville, ed; Worthington, William, 1871-. North Yakima, Wash. , The Encyclopedia of Horticulture Corporation
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Keywords: ., bookcentury1900, booksubjectfruitculture, booksubjectgardening
