China is the largest country for peanut (Arachis hypogaea L.) production, consumption and export worldwide, accounting for 40% of global production and export. Peanut industry has greatly contributed to the supply of vegetable oil and protein, increase of farmers' income and development of sustainable agriculture. Rust disease caused by Puccinia arachidis Speg. has been a destructive disease of peanut in south and central parts of China and could cause yield loss up to 50%, decrease oil content a...