Cereal disease methodology manual

Plants constitute 93 percent of the world's diet. Cereals contribute two-thirds of all food, and among the cereals wheat is the largest crop. The eight major cereals, wheat, maize, rice, barley, sorghum, oats, millet and rye, cover 56 percent of the world's arable land and are the major source of calories and protein for most of the world's people (Table 1.1). Wheat, maize and rice account for 80 percent of global cereal production...