常見例句Populus alba L. var. pyramidalis Bunge. 新疆楊The Tissue Culture Techniques of Populus alba L. Var. Pyramidalis Bge. 新疆楊組織培養(yǎng)技術(shù)。A Study on the Distant Hybridization between Populus alba Linn. And Ulmus pumila Linn. 銀白楊與白榆遠(yuǎn)緣雜交的研究。Optimization of antibiotic concentration in genetic transformation of Populus alba. 銀白楊遺傳轉(zhuǎn)化中抗生素濃度優(yōu)化的研究All of the experiment materials come from Jilin province. Populus pseudo-simonii Kitag, Populus alba L., Syringa oblata Lindl. 本實驗中鹽漬生境的小青楊Populus pseudo-simonii Kitag、銀白楊Populus alba L.;、紫丁香Syringa oblata LindlThe results of water balance analysis were that the rainfall meet the requirement of 28.1% of water consumption of Pinus sylvestris var. mongolica, 36.3% of Populus alba. 對3種喬木的耗水量和降水量進(jìn)行水分平衡分析;結(jié)果表明:同期降水總量只能滿足樟子松蒸騰耗水量的28.;1%25、新疆楊的36 返回 Populus alba