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| A New Water Chestnut Variety —‘Guiti No.4’ |
| JIANG Wen1，2，HUANG Cheng-mei2，GAO Mei-ping1*，CHEN Li-juan1，CAI Bing-hua1，HE Qingshi3，LAI Song-xin3 |
| 1Biotechnology Research Institute，Guangxi Academy of Agricultural Sciences，Nanning 530007，Guangxi，China；2Crop Genetic Improvement and Biotechnology Laboratory，Guangxi Academy of Agricultural Sciences，Nanning 530007，Guangxi，China；3Babu District Institute of Agricultural Sciences，Hezhou 542800，Guangxi，China |
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Abstract ‘Guiti No.4’a new early-medium ripening water chestnut cultivar developed by taking‘Guiti No.2’as material，screened and bred from mutant single plant of stem-tip tissue culture．The whole growth period is 130-140 days．The plant has strong growth vigor．The corm is of transverse ellipsoid shape．The umbilical region is slightly flat．Its peel is brownish white in color．Its starch content is 47.0 mg · g-1，and soluble sugar content is 7.95%．It tastes crisp and sweet with less dregs and good quality．The average single corm weight is 26.2 g．It can yield about 33 t · hm-2．In the fields，its resistance to stem blight is equivalent to that of the contrast‘Guiti No.2’．It is suitable to be planted in Guangxi and surrounding areas．
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Received: 29 June 2020
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