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First report of leaf anthracnose caused by Colletotrichum boninense on spindle trees

机译:炭疽菌对纺锤树引起的叶片炭疽病的首次报道

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摘要

In autumn 2003 and continuing on to the next spring,leaf anthracnose was observed on spindle tree(Euonymus japonica)leaves on Kwanak Mountain,Seoul,Korea.The leaf spots were more severe on leaves near the ground and progressed to the upper leaves.The causal fungus was aseptically isolated from the leaf spot lesions and cultured on potato dextrose agar(PDA).The colony on PDA was whitish at the margin,cream-to-dull orange or black/brown,with dark areas of acervuli.
机译:在2003年秋天并持续到次年的春天,在韩国首尔的瓜纳克山的纺锤形树(Euonymus japonica)叶上观察到了叶炭疽病。在地面附近的叶子上的叶斑更加严重,并逐渐发展到上层叶子。从叶斑病病菌中无菌分离出病原真菌,并在马铃薯葡萄糖琼脂(PDA)上进行培养。PDA上的菌落边缘发白,为乳白色至淡橙色或黑/棕色,有子宫颈暗区。

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