February, ’24] 
CAESAR: CORN BORER CONTROL 
131 
disc drill instead of any other style. If, however, in spite of care some 
stubble is dragged up, it will usually not take long to pick and burn this 
and in a severe infestation it will pay well to do so. 
In this same connection it may be mentioned that a hoed crop should 
never follow a com crop; for this would mean that the stubble and 
debris could not be kept covered. 
7. In gardens on the farm or in towns or villages all stalks of corn 
grown for table or other uses, also all coarse weeds among it should be 
pulled or dug up and burned either in fall or spring, and the gardens 
ploughed or spaded. 
The above are the control measures which should be generally prac¬ 
tised every year but in severely infested areas they should be supple¬ 
mented by two others; namely, late planting with a trap crop and the 
substitution of dent for flint varieties. The trap crop should consist of 
about a dozen rows of some susceptible, rapid growing, average size 
variety such as smutnose. These rows should be planted about ten 
days before the average date for the district and should be in the same 
field as the main crop. The planting of the latter, however, should be 
delayed about ten days from the average date or as late as the farmer 
considers safe. The result in a normal season will be that the trap rows 
will be much taller and farther advanced than the rest by the time the 
majority of the moths are out and ovipositing and so will entice them to 
lay nearly all their eggs upon it, thus saving the main crop. Soon 
after the egg-laying is over, or early in August, the farmer should begin 
cutting the trap rows and feeding them to the cattle, thus destroying 
nearly all the borers in them. 
The substitution of dent for flint need be made only in severely 
infested areas. The reason for it is that there are usually fewer borers 
per plant in dent and that it withstands injury better. 
The above are the measures recommended for practically all the prov¬ 
ince except the two counties which specialize in growing corn on the ear. 
For these we have not yet had an opportunity to study carefully the 
best procedure, though of course much of what has been advocated for 
the rest of the province will apply to them. In addition it would appear 
that it will be necessary to break off all uncut com at the ground either 
by running a heavy iron rail or planker or leveller over it on a frosty 
day or by some other device, and then rake the stalks into windrows 
and burn them, re-raking and re-burning if necessary. Following 
this the field, of course, will have to be ploughed. Such a procedure 
