丽赤壳属真菌物种多样性及致病性

Species Diversity and Pathogenicity of Calonectria

丽赤壳属真菌的许多物种是重要的植物病原菌,可危害一些重要的林木、农作物和园艺类植物。由丽赤壳属病原菌引起的叶焦枯病是我国桉树的重大病害之一。本文概述了丽赤壳属真菌的形态学特征,物种多样性以及分布和危害。并介绍了丽赤壳属真菌的致病性测试方法和抗病桉树基因型选择的研究进展。

Species of Calonectria include important pathogens of numerous important forest,agricultural and horticultural species.Eucalyptus leaf blight,caused by species of Calonectria,is considered to be one of the major threats to commercial Eucalyptus plantations in China.In this paper,the morphological characteristics,species diversity,distribution and impact of Calonectria fungi are summarized.The research progress on pathogenicity tests and selection of disease-resistant Eucalyptus genotypes is also introduced.