| Research Articles |
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| Correlation of soil properties and fruit size of Callgonum mongolicum and related species |
| Wei SHI1,2, BoRong PAN1,2, Habibullo SHOMURODOV3 |
1 Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;
2 Turpan Eremophytes Botanic Garden, Chinese Academy of Sciences, Turpan 838008, China;
3 Scientific Center of Plant Production "Botanika", Uzbek Academy of Sciences, Tashkent 32, Uzbekistan |
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Abstract Correlations of soil properties and fruit size of Calligonum mongolicum Turcz. and related species were analyzed. The results showed that the particle size characteristics of soils for growing Calligonum mongolicum and related species were similar, and the soils belonged to sandyones. The organic matter contents of soils were low (averaging 1.772 to 3.054 g/kg), and the total salt content of soils was low too (averaging 0.471 g/kg). The pH values indicated that the soils were alkaline, varying from pH 7.65 to 10.25. The results of Principal Component Analysis (PCA) and hierarchical cluster showed that 9 habitats could be divided into 6 types according to salt contents and pH values. Fruit sizes of different populations and the soil properties had significant linear correlations (P<0.000). It was concluded that the differences in fruit sizes among the populations of Calligonum mongolicum and related species were related to soil variability, especially the nutrient contents of soils, and fruit size can not be considered as a taxonomic index of Calligonum mongolicum and related species.
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Received: 23 July 2011
Published: 05 March 2012
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| Fund: The National Natural Science Foundation of China (Grant No 31100150) and the West Light Talents Cultivation Program of Chinese Academy of Sciences (XBBS 201003). |
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