| Biology and Soil |
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| Pollination Biology of Elaeagnus angustifolia in Middle Reaches of the Heihe River in Northwest China |
| PAN Cheng-chen1,2, LIU Lin-de2, ZHAO Ha-lin1, HOU Yue-li2, ZHANG Li2, WANG Li-juan2 |
1.Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China;
2.School of Life Sciences, Ludong University, Yantai 264039, Shandong, China |
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Abstract Pollen fertility, pollen/ovule ratio, pollen viability and longevity, and pollen histochemistry of Elaeagnus angustifolia were determined in the Linze Inland River Research Station in the middle reaches of Heihe River in Northwest China. The pollen of E. angustifolia is of starch type. The pollen viability is higher than 90% within the 6 hours after anthesis on sunny days and lower than 3% at the beginning of anthesis in rainy days. No difference in the pollen production of single flowers is found between different flower morphes (three or four petals). The pollen/ovule ratios of the two morph flowers are 15 250±1 497, 14 143±1 438, respectively.
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Received: 03 November 2011
Published: 20 May 2012
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2012, Vol. 32 
