TOMATO CULTURE
128
desert them and enter cultivated plants. Ragweed and burdock are the principal foods of this inwill
and special attention should be given to eradthem where tomatoes are planted. Crop rotation is advisable where this can be conveniently practiced, and such plants as cabbage, radish and the like, onions, beets, asparagus and celery are suggested as sect,
icate
FIG.
40
CHARACTERISTIC
WORK OF THE TOMATO FRUIT WORM
(Heliothis obsoleta) (Redrawn by Johnson from C. V. Riley)
When the plants are sprayed with arsenfor other insects this will operate to a certain
alternates. icals
extent against the stalk-borer.
The tomato fruit worm (Fig. 40) known as the bollworm of cotton and the ear worm of corn, is frequently the cause of serious trouble to tomato growers, especially in the southern states, due to its pernicious habit of eating into and destroying the green and
ripening
fruit.
For
its
control
it
is
advisable not to