. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. keep out thesebeetles. Repellentwashes are sometimesused. One of the bestof these is a heavy coatof lime-sulfur. Canker Worm.—Thisis sometimes called ameasuring worm, as thefeet of the larvae are atthe two ends of thebody, and the insectseems to be measuringthe distance as ittravels. These occur inlarge numbers in thetrees and destroy theleaves. As the leaves ofa tree are its lungs
. Horticulture; a text book for high schools and normals, including plant propagation; plant breeding; gardening; orcharding; small fruit growing; forestry; beautifying home grounds; the soils and enemies involved. keep out thesebeetles. Repellentwashes are sometimesused. One of the bestof these is a heavy coatof lime-sulfur. Canker Worm.—Thisis sometimes called ameasuring worm, as thefeet of the larvae are atthe two ends of thebody, and the insectseems to be measuringthe distance as ittravels. These occur inlarge numbers in thetrees and destroy theleaves. As the leaves ofa tree are its lungs anddigestive organs it suf-fers greatly from theattacks of this biting insects canbe readily destroyed byapplications of of lead com-bined with Bordeauxmixture is applied when-ever attacks are noticed. Tent Caterpillar.—There are two forms of tent caterpillar whichcommonly attack trees. The larva of the apple tent caterpillarhas a row of yellow dots down the middle of the back instead of ayellow stripe found on the-forest tent caterpillar. Both of theseattack a number of kinds of trees, and as their work and remediesare somewhat similar they may be considered together. The egg. Fig. 122.—Adult beetle of the round headed apple treeborer. The holes show the woun ds made by the larvae are very destructive to apple trees. Watchthe base of the trees and when borings are found followthe channels with a wire and crush the insects. (WestVirginia Station.) 198 ENEMIES OF THE APPLE, PEAR, AND QUINCE clusters are formed around the twigs of the trees and may be seenin winter when there are no leaves on the trees. These may bepruned off and destroyed. In the spring when the eggs hatch theyoung soon form webs as homes, from which they make attacks onthe leaf growth. The web may be burned with torches of kerosene on long poles. Many caterpillars maythus be destroyed witha minimum of injuryto the tree. Another remedy is ~*^£t> ***$kZ >*. $**H
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Keywords: ., bookcentury1900, booksubjectfruitculture, booksubjectgardening
