. Horticulture; a text book for high schools and normals. Gardening; Vegetable gardening; Fruit-culture. 282 NUTS AND SUBTROPICAL FRUITS Enemies.âMany forms of scale insects attack oranges and other citrus fruits. There are also red spiders, plant lice, rose beetles, and other insects attacking the orchards. The methods of control are spraying and fumigating under movable tents with hydrocyanic acid gas. Spraying in Florida and fumigation (Fig. 199) in California are the general #?'% -â '%â ' ;*%>?#: |"--r'}âC J v" f Fig. 197.âOranges must be picked from the trees. Those w
. Horticulture; a text book for high schools and normals. Gardening; Vegetable gardening; Fruit-culture. 282 NUTS AND SUBTROPICAL FRUITS Enemies.âMany forms of scale insects attack oranges and other citrus fruits. There are also red spiders, plant lice, rose beetles, and other insects attacking the orchards. The methods of control are spraying and fumigating under movable tents with hydrocyanic acid gas. Spraying in Florida and fumigation (Fig. 199) in California are the general #?'% -â '%â ' ;*%>?#: |"--r'}âC J v" f Fig. 197.âOranges must be picked from the trees. Those which fall to the ground are considered worthless. () Common diseases of the trees are: gum disease, root-rot, trunk- rot, wither-tip, twig-blight, melanose, and canker. Frost is the most serious enemy of citrus fruits in America. The chief remedy is to have the wood well ripened up before winter. The use of orchard smudges is often very effective. Fruits are picked from near the ground first, to avoid frosting. Grapefruit.âThis is one of the citrus fruits of Florida, California, Arizona, and the West Indies. It is well known in all markets of. 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 Davis, Kary Cadmus, 1867-. Philadelphia, London, J. B. Lippincott Co
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Keywords: ., bookcentury1900, booksubjectfruitculture, booksubjectgardening
