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当前位置: 首页 > 文章 > 苏鲁两省杨木灰变、蓝变和黑变的变色病害研究 西部林业科学 2012,41 (5) 1-7
Position: Home > Articles > Study on Wood Sapstain Damage of Poplar in Jiangsu and Shandong Province Journal of West China Forestry Science 2012,41 (5) 1-7

苏鲁两省杨木灰变、蓝变和黑变的变色病害研究

作  者：
赵桂华;席刚俊
单  位：
江苏农林职业技术学院
关键词：
杨树;边材;真菌种类;变色;危害;分离;鉴定
摘  要：
为了研究苏鲁两省杨树木材变色、变色真菌和造成的损失,于2005～2010年分别对9个县市杨木加工厂进行了调查和定点观察。结果表明,在杨树砍伐后,在露天存放22～80天杨原木和单板存在不同程度边材变色,其变色程度与在露天存放时间有密切关系。春夏之交砍伐的杨木比冬季砍伐的杨木更易变色;3～5年生杨木比8～9年生杨木更易变色;剥皮杨木比带皮杨木更易变色;单板变色比原木更明显,致使单板的经济价值可降低25%～30%。鉴定出引起杨木变色的真菌有23属32种,其中危害最严重的变色菌主要有可可球二孢、交链孢、球孢枝孢。其中不高双孢菌、红紫球二孢、青琐龙孢球二孢在杨木上属于首次报道。
译  名：
Study on Wood Sapstain Damage of Poplar in Jiangsu and Shandong Province
作  者：
ZHAO Gui-Hua,XI Gang-Jun(Jiangsu Polytechnic College of Agriculture and Forestry,Jurong Jiangsu 212400,P.R.China)
关键词：
Populus;sapwood;fungal species;stain;damage;isolation;identification
摘  要：
In order to study poplar sapstain,caused fungi and relevant damage,investigation and fixed-site observation of poplar sapstain were conducted from 2005 to 2010 in nine counties of Jiangsu and Shandong.The results showed that after 22 to 80 days open storage,sapstain occurred on both log and veneer.The extend of sapstain was closely related with the time period of open storage.It was also find that the wood cut in between spring and summer was earlier to sapstain than the wood cut in winter,the wood of polar of 3 to 5 years old was earlier to sapstain than the wood from the trees of 8 to 9 years old.Barking treatment made the wood more subject to sapstain.The sapstain of veneer was serious than log,sapstain of veneer reduced the economic value around 25 % ~ 30 %.In this study,32 species of sapstain fungi belong to 23 genera were identified,among the identified fungi,the species caused the most serious damage are Lasiodiplodia theobromae,Alternaria alternata,Cladosporium sphaerospermum.This is the first report on Apiocarpella macrospore,Lasiodiplodia rubropurpurea,Lasiodiplodia crassispora from poplar wood in China.

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