作者:曾惠中
類別:圖書文獻類 - 手稿
材質:紙質
年代:1969~1969
尺寸:長:24.6 x 寬:20.5 (cm)
藏品來源:曾惠中捐贈
登錄號:2019-001-0001-036
藏品描述:初期病葉出現黃綠到淺褐色斑點,逐漸變成褐色。後期葉背隆起,表皮破裂,散出大量的銹褐色粉狀胞子。病斑數目較多時,葉片黃化,導致提前落葉,嚴重影響收成。
Soybean rust is a disease that affects soybeans and other legumes. It causes yellow mosaic discoloration on the upper surfaces of older foliage. Later, the leaves will turn yellow and lesions mostly on the undersides of the leaves and petioles, stems or pods and premature defoliation will be observed. The disease has caused serious yield loss of soybeans.