Tomato culture; a practical treatise on the tomato, its history, characteristics, planting, fertilization, cultivation in field, garden, and green house, harvesting, packing, storing, marketing, insect enemies and diseases, with methods of control and remedies, etc., etc . FIG. 39—TOMATO STALK-BORER (Papaipemo nitela) (a) Female moth; (b) half-grown larva; (c) mature larva in injured stalk; (rf) lateral view of abdominal segment; (e) pupa—all somewhat enlarged. (From Chittenden, U. S. Dept. Agr.) Stalk, and is an intermittent pest, though quite annoy-ing at times. It is difificult to combat, b
Tomato culture; a practical treatise on the tomato, its history, characteristics, planting, fertilization, cultivation in field, garden, and green house, harvesting, packing, storing, marketing, insect enemies and diseases, with methods of control and remedies, etc., etc . FIG. 39—TOMATO STALK-BORER (Papaipemo nitela) (a) Female moth; (b) half-grown larva; (c) mature larva in injured stalk; (rf) lateral view of abdominal segment; (e) pupa—all somewhat enlarged. (From Chittenden, U. S. Dept. Agr.) Stalk, and is an intermittent pest, though quite annoy-ing at times. It is difificult to combat, but its injuriesmay be prevented by care in keeping down, and by?promptly destroying, the weeds after they are pulledor hoed out during the growing season. If weedsare left to dry the striped caterpillar of this species 128 TOMATO CLLTURIi: will desert them and enter cultivated plants. Rag-weed and burdock are the principal foods of this in-sect, and special attention should be given to erad-icate them where tomatoes are planted. Crop rota-tion is advisable where this can be conveniently prac-ticed, and such plants as cabbage, radish and the like,onions, beets, asparagus and celery are suggested as sS^y. FIG. 40—CHARACTERISTIC WORK OF THE TOMATO FRUIT WORM {Hcliothis obsolcta)(Redrawn by Johnson from C. V. Riley) alternates. When the plants are sprayed with arsen-icals for other insects this will operate to a certainextent against the stalk-borer. The tomato fruit worm (Fig. 40) known as thebollworni of cotton and the ear worm of corn, is fre-quently the cause of serious trouble to tomato growers,especially in the southern states, due to its pernicioushabit of eating into and destroying the green andripening fruit. For its control it is advisable not to INSECTS TO THE TOMATO I29 plant tomatoes in proximity to old corn or cottonfields, nor should land be used in regions where thisspecies is abundant until it has been fall or winterplowed. Sweet corn planted about
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