1 Biotechnology Research Institute，Guangxi Academy of Agricultural Sciences，Nanning 530007，Guangxi，China；2 Babu District Institute of Agricultural Sciences，Hezhou 542800，Guangxi，China
Abstract：‘Guiti No.3’is a new water chestnut cultivar developed by taking Guangdong Fangyu local water chestnut as material，screened and bred from fine mutant single plant through stem-tip tissue culture． It is of medium-late maturity．Its whole growth period is about 150 days．The plant has strong growth vigor．The leafy stem is dark green in color．The plant height is 90-110 cm with 4-7 creeping stem．The corm is of ellipsoidal shape，thick round with flat or slightly convex navel．The peel is dark bronzing in color．The vertical diameter is 4.5-4.8 cm and transverse diameter is 4.1-4.3 cm．The average single corn weight is 31.7 g．In fields，its resistance to stem blight is stronger than that of the contrast‘Guiti No.2’．Its soluble sugar content is 4.42%，starch content is 31.0 g · kg-1．It tastes crisp and sweet．It is tolerant to storage．It can yield 37.5-60.0 t · hm-2．It is suitable to be planted in most domestic water chestnut producing areas．
