Field problems in cassava

Because control of such problems during the growing season can be too expensive or even impossible, preventing them should be the farmer"s first priority. This illustrated manual describes 25 important diseases, over 19 important pests, 15 nutritional deficiencies or toxicities, and symptoms of damage caused by 6 particular herbicides. General and specific preventive measures against these sources of cassava damage are provided. Appended are suggested stake planting treatments, keys for identifying some diseases and pests, and a list of related publications.