Field Diagnosis of Groundnut Disease. Information Bulletin No 36(revised)

Diseases are major constraints to groundnut production throughout world. This handbook is designed to assist agricultural research extension workers, who may have little formal training in plant , to make tentative diagnosis of diseases of groundnut caused 29 fungi, 2 bacteria, 11 viruses, a mycoplasma-like organism, 4 , and a parasitic flowering plant. The most characteristic symptoms of each disease are illustrated and described. It is that for confirmation of field diagnosis the assistance of plant pathologists will be required in most cases.