The caterpillar causes damage by eating the leaves. In leafy vegetables, losing foliage will lead to a decrease in yield. Partly due to loss of the crop, and in part due to reduced photosynthesis rate.
Setting-up a Kitchen Garden is probably one of the best investments that a family could make in their health. Below are a few benefits of growing your greens and veggies.
Food that has been grown with the help of chemicals or hormones will not show its adverse effect on human health immediately after consumption. But it can have an effect later, sometimes as late as after a couple of generations.