Abstract: The new strained chestnat-castanea mollissima"AiSi"was grafted onto castanea mollissima Blume as stock.Its leaves grow quickly,and it also has a high yield in the early stage.If T-shaped budding or branch-formed method was employed,they would bear fruit in the next year,with the total output of 7.8 kg/plant and 17.2 kg/plant in four years respectively.Based on the output in area of 3 m×4 m,the output would reach 6 585 kg/hm2 and 14 340 kg/hm2 respectively,which is six times more than that of chestnut in the...