Southern field crops (exclusive of forage plants) . ut the time that adjacent corn ears begin to harden, and it maj need to Ije repeated several times. The poison adheres better if apphed while the dew is on the plants. The most generally practi-cable method of reducing theinjury to cotton inusing corn as a trap of corn should be planted about the first of .June,or at such times as to bring the corn into the roasting-earcondition about the first of August. Then the mothsdeposit their eggs on the corn rather than on the cottonplants. The trap crop of corn is still more eff
Southern field crops (exclusive of forage plants) . ut the time that adjacent corn ears begin to harden, and it maj need to Ije repeated several times. The poison adheres better if apphed while the dew is on the plants. The most generally practi-cable method of reducing theinjury to cotton inusing corn as a trap of corn should be planted about the first of .June,or at such times as to bring the corn into the roasting-earcondition about the first of August. Then the mothsdeposit their eggs on the corn rather than on the cottonplants. The trap crop of corn is still more effective if twoplantings are made at intervals of a few weeks, so as tofurnish a continual suppl> of roasting ears during thetime when moths are most numerous. These strips ofcorn may be planted on oat patches adjacent to the cottonfields, or better, 2 to 4 rows of corn may be planted inalternation ?with 20 to 40 rows of cotton. In order forthe corn to serve as a trap crop, it must be planted late,and not at the time when the cotton is 169. — Pupal or of the Cotton Boll-W0E5I OB Corn 392 SOUTHERN FIELD CROPS Such corn may be cut and fed to live-stock when in thelate roasting-ear condition; or it may be left in the field as usual. In thislatter case cornis still help-ful in reduc-ing the num-ber of boll-worms, sinceit attracts anumber ofworms to eachear. Here theydevour eachother, leavingonly one or twoalive, insteadof many. Plo-nang in latte fall or early winter destrojrs the l^urrows (Fig. 170) in which the insect passes the mnter, and turns the pupae up to be killed bj- unfa-\or- able weather.
Size: 1561px × 1601px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauth, bookcentury1900, bookdecade1910, booksubjectagriculture
