Fraxinus

Fraxinus的基本解释

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白蜡树属

与Fraxinus相关的网络例句 [注：此内容来源于网络，仅供参考]

Theδ~(13)C of Robinia pseudoacacia and Fraxinus chinesis were gone beyond the range of C_3 plants,and the averageδ~(13)C of 7 trees under 720μmol·mol~(-1)CO_2 were higher than the average of C_3 plants,which is 27.0‰.

针叶树的叶δ~(13)C值高于阔叶树，叶δ~(13)C值明显小于枝条和根系的，刺槐和白蜡的δ~(13)C值超出了全球C_3植物的δ~(13)C值的极限范围，720μmol·mol~(-1)CO_2所有树种的平均值远高于C_3植物的平均值27.0‰。

Non-significant difference was detected in the maximum net photosynthetic rate of leaf in seedlings of Quercus liaotungensis, Fraxinus rhynchophylla and Spiraea pubescens.

5辽东栎和大叶白蜡的最大净光合速率和柔毛绣线菊没有显著差别。

The aim was to find the effective methods for rapid propagation of seedlings to protect the endangered Fraxinus hupehensi.

［目的］寻找有效的种苗快速繁殖途径，保护濒危的对节白蜡。

The effects of light, agar and carbon sources on the growth of in vitro cultured root tips of Fraxinus mandshurica were studied.

研究了光照有无、琼脂添加与否和不同碳源对离体培养的水曲柳根尖生长的影响。

Activities of cell defense enzymes in the leaves of Fraxinus griffithii seedlings were studied under salt stress.

以光蜡树幼苗为材料，研究了NaCl胁迫对其保护酶活性的影响。

与Fraxinus相关的网络解释 [注：此内容来源于网络，仅供参考]

Fraxinus excelsior：(欧洲白蜡树)

欧洲白蜡树(Fraxinus excelsior)在欧洲是重要的生态和经济树种. 2005年,奥地利首次发现欧洲白蜡树梢枯病,2006~2007年病情发生严重并迅速蔓延. 梢枯病症状表现为叶片萎蔫变黑,茎、枝、芽枯梢,韧皮部出现坏死斑,木质部变成褐色至灰白色直至死亡.

Fraxinus excelsior：欧洲白蜡木

欧亚槭Acer pseudoplatanus | 欧洲白蜡木Fraxinus excelsior | 欧洲白榆Ulmus laevis

Fraxinus excelsior：欧洲白蜡

Fraxinus excelsior欧洲白蜡 | Griselinia littoralis滨海山茱萸 | Hamamelis virginiana北美金缕梅

Fraxinus excelsior：瑞典国花--欧洲白蜡

挪威国花--欧石楠 Ericales | 瑞典国花--欧洲白蜡 Fraxinus excelsior | 芬兰国花--铃兰 lily of the valley

Fraxinus：白蜡属

文章摘要:花曲柳窄吉丁(Agrilus planipennis Fairmaire)是我国重要的林业危险性害虫,目前发现其主要危害木犀科(Oleaceae)白蜡属(Fraxinus)的一些重要林木.它主要分布于东北亚一些国家,