Development of a new sugar and energy cane variety Guitang No.22 by means of 60Co-γ ray induced mutation.

Guitang No.22 was developed through 80 Gy()~(60)Co-γ radiation of seed stems of Xintaitang No.1.In Guangxi regional variety test,the cane yield and the sugar yield were about 106.95 t/ hm~2,14.21 t/ hm~2,respectively.Moreover,the highest biomass and fermentable carbohydrates were about 188.1 t/ hm~2 and 48.92 t/ hm~2,respectively.It is a new variety both for sugar and energy use,and it was approved by Guangxi Crop Variety Committee in January,2005.