It is impossible to avoid pest or disease appearance on the crop. There are a lot of diseases and plant feeders that can harm the plant and bring losses to producers. The most spread pests are whitefly, spider mite, thrips, aphid, caterpillar, leafminer.
Cultivation violation can lead to disease. Diseases are divided into: viral, fungi and bacterial. The most spread diseases are powdery mildew, downy mildew, gray rot, white rot, root rot, chlorosis.