[Objective]To explore an effective method for evaluating drought resistance of Yixing lily and provide a reference for selecting drought-resistant Yixing lily varieties. [Method]Through artificial simulation of drough...[Objective]To explore an effective method for evaluating drought resistance of Yixing lily and provide a reference for selecting drought-resistant Yixing lily varieties. [Method]Through artificial simulation of drought stress environment,the changes of physiological indexes,such as content of proline,malonaldehyde,and reducing sugar in Yixing lily leaf and bulb were observed,when soil water content changed. [Result]The response to drought stress of the Yixing lily leaf was greater than that of the bulb,and the content of the proline and malonaldehyde was higher than that of the reducing sugar. [Conclusion]The leaves as an appropriate material for evaluation and analysis on drought resistance can better reflect the physiological responses of Yixing lily to drought stress. And the content of the malonaldehyde and that of proline are preferable indexes.展开更多
In 1163, Archbishop Gionata, Abbot of the Monastery of San Nicola of Casole in Puglia (Apulia), commissioned Pantaleone, a learned monk and artist from the monastery, to decorate the pavement of the cathedral of Otr...In 1163, Archbishop Gionata, Abbot of the Monastery of San Nicola of Casole in Puglia (Apulia), commissioned Pantaleone, a learned monk and artist from the monastery, to decorate the pavement of the cathedral of Otranto with mosaics. This Italian Romanesque cathedral was dedicated to Santa Maria Annunziata or Saint Mary of The Annunciation. In the interior, the floor design in the shape of a tree contains an elaborate biblical program. The encyclopedic narrative of the mosaic symbolically unveils the meaning of the Tree of Life. The ieonography of the pavement's program combines biblical and pagan narratives evolving from a natural realm into a heavenly realm. The natural realm begins at the church's entrance with the symbolism of the earth-the roots of a tree-expanding through the nave and transept via the tree's trunk and its branches, culminating in the apse, at the end of the church, with the foliage oftbe top of the tree. This natural realm meets with the heavenly realm in two ways: at the crossing of the church or at the sacrificial altar, and at the apse of the church. Before reaching the altar or holy area, between the natural realm and the heavenly realm, the zodiac signs with the labors of the months are depicted.展开更多
基金Supported by Natural Science Foundation of Hubei Province(2005ABA211)~~
文摘[Objective]To explore an effective method for evaluating drought resistance of Yixing lily and provide a reference for selecting drought-resistant Yixing lily varieties. [Method]Through artificial simulation of drought stress environment,the changes of physiological indexes,such as content of proline,malonaldehyde,and reducing sugar in Yixing lily leaf and bulb were observed,when soil water content changed. [Result]The response to drought stress of the Yixing lily leaf was greater than that of the bulb,and the content of the proline and malonaldehyde was higher than that of the reducing sugar. [Conclusion]The leaves as an appropriate material for evaluation and analysis on drought resistance can better reflect the physiological responses of Yixing lily to drought stress. And the content of the malonaldehyde and that of proline are preferable indexes.
文摘In 1163, Archbishop Gionata, Abbot of the Monastery of San Nicola of Casole in Puglia (Apulia), commissioned Pantaleone, a learned monk and artist from the monastery, to decorate the pavement of the cathedral of Otranto with mosaics. This Italian Romanesque cathedral was dedicated to Santa Maria Annunziata or Saint Mary of The Annunciation. In the interior, the floor design in the shape of a tree contains an elaborate biblical program. The encyclopedic narrative of the mosaic symbolically unveils the meaning of the Tree of Life. The ieonography of the pavement's program combines biblical and pagan narratives evolving from a natural realm into a heavenly realm. The natural realm begins at the church's entrance with the symbolism of the earth-the roots of a tree-expanding through the nave and transept via the tree's trunk and its branches, culminating in the apse, at the end of the church, with the foliage oftbe top of the tree. This natural realm meets with the heavenly realm in two ways: at the crossing of the church or at the sacrificial altar, and at the apse of the church. Before reaching the altar or holy area, between the natural realm and the heavenly realm, the zodiac signs with the labors of the months are depicted.