摘要
辽宁省红松烂皮病发病面积达10万亩,占全省人工红松林31.54万亩的31.75%.每亩造成的材积损失1.07m^3.病原菌为松生薄盘菌[Cenangium acicolum(Fuck.)Rehm].该寄生菌为弱寄生菌,从枝、干皮都伤口侵入,以菌丝形态在皮内越冬,每年侵染1次.本病发生与林龄、纯林与混交林、郁闭度、坡向、坡位及林冠部位等因子有关.
Abstract 31.75% of the Korean pine platations in Liaoning have been suffered from the bark rot disease and the wood volume loss attains 107000m^3 totally. The pathogen is a weak pararsite which invades the tree from the wounds on branches or the trunk once a year, and winters in the from of hyphae. The disease comes on in relation to forest age, mixing state, closing degree, slope direction, the site on the slope and the site within canopy, etc.
出处
《沈阳农业大学学报》
CAS
CSCD
1991年第4期296-301,共6页
Journal of Shenyang Agricultural University
关键词
红松
烂皮病
发病规律
Korean pine bark rot
weak parasite
disease outbreak
