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The coat is applied to picea asperata.
该涂层适用于云杉。
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The survival rate gets higher when the coat is applied to picea asperata mast.
使用该材料后云杉树苗成活率得以大幅度提高;
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Picea is not only major natural forest resources in Qinghai, but also fine tree species of afforestation and urban greening.
云杉是青海省县主要的天然林资源,也是荒山造林和城镇绿化的优良树种。
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Through indoor inoculation test on seedlings of Picea koraiensis, 6 ectomycorrhizae fungi cultures were obtained from 36 isolaters.
经对红皮云杉室内接种试验获得6个可与红皮云杉共生形成外生菌根的菌株。
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Besides, pollen of Abies, Picea, Pinus, Tsuga, Betula, Ericaceae, Labiatae and Cyperaceae and spores of Pteris, Polypodium and Selaginella were also observed.
此外,有冷杉、云杉、松、铁杉和桦等属乔木花粉和杜鹃科、唇形科、莎草科灌木和草本植物花粉及凤尾蕨、水龙骨、卷柏等属孢子。
1. 云杉(拉丁学名:Picea asperata Mast.),别名茂县云杉,松科云杉属植物。为中国宝贵树种。 云杉属乔木,高达45米,胸径达1米。树皮淡灰褐色或淡褐灰色,小枝有疏生或密生的短柔毛或无毛,冬芽圆锥形,有树脂,基部膨大,球果圆柱状矩圆形或圆柱形,上端渐窄,成熟前绿色,熟时淡褐色或栗褐色,苞鳞三角状匙形。种子倒卵圆形,种翅淡褐色,倒卵状矩圆形。初生叶四棱状条形,四面有气孔线。花期4到5月,球果9到10月成熟。其稍耐荫,能耐干燥及寒冷的环境条件,生长在海拔2400到3600米地带,产于陕西西南部、甘肃东部及白龙江流域等地。 包头市将云杉定为包头市市树。