Analysis on the Status of Sugarcane Variety Registration in Guangxi
In order to promote the development of the"double high"sugar industry,the status of sugarcane variety registration in Guangxi since the implementation of the non-major crop variety registration system was analyzed.The yield and sugar content of 41 sugarcane varieties registered in Guangxi from 2018 to 2023 were statistically analyzed.The proportion of varieties registered by breeding units was 80.49%,which significantly decreased after the peak year of sugarcane variety registration in Guangxi from 2018 to 2020.The yield of cultivars was higher than the control,accounting for 58.54%,of which 7 cultivars were significantly higher than the control,and 3 cultivars were significantly lower than the control(P>0.05).Only 65.85%of the cultivars had higher sugar content than the control,and the sugar content of all cultivars was not significantly higher or lower than the control.The six varieties of"Guitang 44""Liutang 2",and"Zhongcane 10"were superior to the control species in sugar content and yield and should be vigorously promoted.The other varieties should pay attention to variety screening and promotion in various ecological areas to fully tap the potential of the varieties.