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以5种观赏植物为材料,研究不同遮荫0%、50%、75%和90%条件下叶片相对含水量、叶绿素总含量、净光合速率、过氧化物酶和可溶性糖等生理指标的变化。结果表明,遮荫对5种观赏植物的光合生理指标都有不同程度的影响,利用隶属函数评价5种观赏植物的耐阴性强弱顺序依次为八角金盘>大叶黄杨>阔叶十大功劳>金银木>红王子锦带。
Five ornamental plants were used as materials to study the changes of leaf relative water content, total chlorophyll content, net photosynthetic rate, peroxidase and soluble sugar under 0%, 50%, 75% and 90% shading conditions . The results showed that shading had different effects on the photosynthetic physiological indices of five kinds of ornamentals. The order of the resistance of five ornamental plants to subordinate function was as follows: golden horn> golden horn> Euonymus japonicus> > Gold and silver wood> red prince Jin belt.