Insects, animal pests, weeds and diseases of plants cause over considerable losses. Therefore,it is aimed to describe the general features of these creatures, and to determine methods of control.

Insects, nematodes, mites, general characteristics, life styles, development, reproduction and relationships with the environment, pest management, the importance of plant diseases, disease agents, the formation of plant diseases and their symptoms, weeds damage, Control methods of plant pathogens and weeds.