Enquête sur les problèmes phytosanitaires liés aux grandes cultures dans la zone de Metlili (wilaya de Ghardaïa)

Abstract

This work is a survey on phytosanitary problems related to field crops in the Metlili area (Wilaya of Ghardaïa). We used a questionnaire composed of two parts, the first concerns the presentation of the farm and the second is reserved for the different types of phytosanitary problems. The surveys involved 13 farms and the results indicate the presence of diseases (23% septoria, 15% fusarium and 8% powdery mildew) and pests (locusts 31%, aphids 26%, and Spanish sparrows 37%, corn borers 23), and weeds. herbs (92% ryegrass, 85% bromine, 69% quackgrass, 69% mallow and 62% field mustard). and without forgetting to provide analyzes and solutions proposed by technicians and experts in the field.