. Annual report of the Cornell University Agricultural Experiment Station, Ithaca, Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). i8o Bulletin 252. This whitish pear-shaped scale, about I inch in length, often Scurfy scale, encrusts the bark, giving it a scurfy appearance. It hiber- (Fig. 150.) nates as purplish eggs under the old scales. Spray as recom- mended for oyster-shell scale. The presence of this minute mite is indicated by small irregular Leaf brownish blisters on the leaves. Spray in late fall or early blister-mite, spring with kerosene em
. Annual report of the Cornell University Agricultural Experiment Station, Ithaca, Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). i8o Bulletin 252. This whitish pear-shaped scale, about I inch in length, often Scurfy scale, encrusts the bark, giving it a scurfy appearance. It hiber- (Fig. 150.) nates as purplish eggs under the old scales. Spray as recom- mended for oyster-shell scale. The presence of this minute mite is indicated by small irregular Leaf brownish blisters on the leaves. Spray in late fall or early blister-mite, spring with kerosene emulsion, diluted with 5 parts of water, or miscible oil, i gal. in 10 gals. of water. Geneva Bulletin 283. Round-headed The only practicable method of control is to dig borer, out the borers or to kill them with a wire. The insect hibernates in the egg stage. The Apple tent- eggs are glued in ring-like brownish masses caterpillar. (Fig- 151) around the smaller twigs where they may be easily found and destroyed. The cater- pillars appear in early spring, devour the tender leaves, and build Fig. 151. Egg- unsightly nests on the smaller branches. This pest is usually con- ringofapple trolled by the treatment recommended for the codling-moth. De- stroy the nests by burning or by wiping out when tent-cater- 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 Cornell University. Agricultural Experiment Station. [Ithaca, N. Y. ?], 1900-1910. James B. Lyon, State printer)
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