Through observed and analyzed to tissue culture seedling of Nongqing NO.2 variety ofSiraitia grosvenorii under field planting,the it's ecological adaptation in Xiangxi area of Hunan Province was discussed,provide the basis for the promotion cultivation of Siraitia grosvenorii.The results showed that the early flowering in August,flowering period about 110 d,effective pollination period was 25~30 d,maturity in october late,fruit yield per 667 m2 12 986.1,medium and deal large fruits was 60%,plenteous crop ga...