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:2019-001-0001-017
藏品描述:病害嚴重威脅到花生的生長,顯著影響花生的品質和產量。葉片上初生黃褐色圓形之小斑點,漸次擴大,表面呈淡褐色,葉反面則為紅褐色至黑色,邊緣有明顯之黃色暈環。
Cercospora leaf spot are the most destructive diseases of peanut. Symptoms of the disease first appear on the leaves as small yellow to brown flecks. The spot is characterized by circular spots that are brown to reddish brown on the upper surface and almost orange on the lower surface. The lesions always have a bright yellow halo.