豆类常见病害有锈病、白粉病、枯萎病、根腐病、叶斑病、菌核病、炭疽病、花叶病和丛枝病(病毒性病害)、细菌性叶斑病和线虫性病害等。锈病锈病是一类真菌性病害。以菜豆、豇豆、蚕豆、大豆受害为重。为害部位以叶为主,叶柄、茎蔓及荚果亦可受害。初生黄白色稍突起的小斑点扩大后呈黄褐色的夏孢子堆,表皮破裂,散出锈 Common diseases of legumes are rust, powdery mildew, wilt, root rot, leaf spot, sclerotinia, anthracnose, mosaic and broussor disease (viral diseases), bacterial leaf spot and nematode diseases Wait. Rust Rust is a fungal disease. To beans, cowpea, beans, soy victims as the most important. Leaf damage to the main parts, petiole, stems and pods can also suffer. New yellowish white slightly protruding small spots enlarged yellowish brown summer spores heap, epidermal rupture, scattered rust