Anthocyanins are the most widely produced secondary metabolites in plants, and they play an important role in plant grow......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

目的：研究花红的香气成分。方法：采用固相微萃取（solid-phase microextrations,SPME）技术,结合气相色谱-质谱联用仪（gas chromatography......

Apple necrotic mosaic virus(ApNMV) was identified in crabapple trees with mosaic symptoms from Zaozhuang, Shandong Provi......

根据沙果落果的生理、气候原因，指出从保花保果两方面采取措施提高沙果的座果率，并从肥料、水分、树体管理和生长调节剂等方面提出了......

【目的】探讨^60Co-γ辐射对观赏海棠的诱变效应。【方法】以3种变色叶类观赏海棠品种‘高原之火’、‘印第安魔力’和‘绚丽’的1......

为探讨观赏海棠叶色和花色的变化规律,挖掘其特异种质,利用NF555色差仪对29份观赏海棠品种生长季内不同时期的叶色和花色参数进行......

The aim of this experiment was to analyze the leaf volatiles of crabapple (Malus sp.) individuals at different aphid’s ......

Anthocyanins are the most widely produced secondary metabolites in plants,and they play an important role in plant growt......

北京植物园1990年从美国引进14个品种的海棠,通过驯化,繁殖,现已在我国北方推广....