Development of attack by the pest
Edem: That's right: joint investigations between the Togo plant protection service and the GTZ have shown that the Larger Grain Borer does not cause damage worth mentioning during the first three to four months. Only later, when the "new one" has multiplied, will it cause considerable damage to the harvest.
The "new one" cause damage after three or four months.
Edem: But did you buy an insecticide that we recommend?