以人工接种的方法研究了山楂叶螨(Tetranychus viennensis Zacher)危害初期(9 d内)对海棠(Malus zumi)叶片过氧化物酶(POD)的影响.
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长期以来对海棠的研究工作停留在经典植物分类学和园艺学研究方面，而对观赏海棠品种资源缺乏系统的调查和整理研究。
The study has stayed in the taxonomy and horticulture research since long times ago, but the ornamental crabapple resources lacks systematic collection and investigation.
三层宽敞的展览厅里兰花和秋海棠姹紫嫣红，尽管这些植物对气候的要求不同。
The orchids and begonias bloomed purple and crimson across the exhibition's three spacious floors; resplendent despite the different climates the plants usually require.
即便是对电影不感兴致的人，也很难疏忽《大渔海棠》这部热映的动画片。
Even for those with little interest in cinema, ignoringthe animation hit Big Fish And Begonia will be tough.
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