. Insect enemies and diseases of the tomato. wo broods ayear, and when the caterpillars begin to mature they cut all theleaves from tomato plants, and even gnaw and destroy the greenfruit. Growers should be on the lookout for the first as well as thesecond brood. They appear at various times, according to —Hand-picking can be practiced, but it takes a sharpeye to detect these worms when they are at rest. When feeding they are more easily seen andcan be destroyed readily. Asingle spraying with arsenateof lead at the rate of 54pound to 3 gallons of water,will destroy them whenpr
. Insect enemies and diseases of the tomato. wo broods ayear, and when the caterpillars begin to mature they cut all theleaves from tomato plants, and even gnaw and destroy the greenfruit. Growers should be on the lookout for the first as well as thesecond brood. They appear at various times, according to —Hand-picking can be practiced, but it takes a sharpeye to detect these worms when they are at rest. When feeding they are more easily seen andcan be destroyed readily. Asingle spraying with arsenateof lead at the rate of 54pound to 3 gallons of water,will destroy them whenproperly applied. Thosewhich eat the poison firstwill be found dead the fol-lowing day, the remainder onthe second and third day. TOMATO FRUITWOKM. The tomato fruitworm () is the same insect as thebollworm of cotton and thecorn earworm, and is thecause of much trouble to to-mato growers because of itseating into the ripening fruit„. , . ,. , . ., and destroying its market -Characteristic work of the •. i^ o tomato fruitworm. Fio. 5. Control.—Arsenate of lead, }i pound to 3 gallons of water, sprayedon the leaves two or three times will keep the insect partly undercontrol. As long as sweet corn is growing nearby it attracts theworms, and thus protects the tomatoes. Hand-picking is difficultfor large gardens and must be practiced almost daily for smallpatches. STAIK-BOBER. Tomato plants may sometimes be noticed to wilt down almostover night, without apparent cause. Examination of such plantsoften reveals near one of the joints of the stalk a small, round hole,the entrance to a burrow occupied by an insect. On splitting thestalk (fig. 6) a slender striped caterpillar will be disclosed. Thispest is known as the stalk-borer.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwash, bookyear1919
