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| A New Water Chestnut（Eleocharis tuberose）Variety —‘Guiti No.2’ |
| CHEN Li-juan，CAI Bing-hua，JIANG Wen，GUI Jie，WEI Shao-long，YAN Hua-bing，SU Bin，SU Guo-xiu |
| Bio-technology Research Institute of Guangxi Academy of Agricultural Sciences，Nanning 530007，Guangxi，China |
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Abstract Taking local cultivar of water chestnut from Panyu district of Guangzhou city as material, the elite cultivar of water chestnut‘Guiti No.2’was selected from the colonies of somaclonal variation produced by micropropagation technology，and propagated via tissue culture．The plantlets were used as seed in production，The propagation rate could reach up to 20 times, It took 25-30 days for seedling culture and about 140 days in field propagation．The seedling was 95-105 cm in plant height. Its corm was of flat round shape with slightly concave umbilicus．Its horizontal and vertical diameter was 3.5-5.5 cm and 2.5-3.0 cm, respectively．The average weight of single corm was 26 g．The corm yield was 37.5-52.5 t?hm-2．It is suitable for planting in Guangxi．
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Received: 21 May 2011
Published: 25 June 2011
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