Scientists spot a new disease roughly every four months.
科学家们大约每四个月就会发现一种新的疾病。
Among the eucalypt diseased, bacterial wilt, little-leaf, seedling, brown spot, leaf rust, shoot blight, stem canker and butt rot are new disease records in Taiwan.
文内报导之桉树青枯病、小叶病、苗腐病、玫瑰桉叶斑病、叶锈病、枝枯病、溃疡病及冠腐病等均为本省之新记录病害。
Curvularia leaf spot of maize was a new maize disease that has arisen in north China recent years.
玉米弯孢菌叶斑病是近几年我国玉米生产上发生的一种新病害。
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