Analysis of Sweet Corn Varieties in Guangdong Province from 2013 to 2022
This study sorted through the data of sweet corn varieties approved in Guangdong from 2013 to 2022,aiming to statistically analyze the trends in variety traits,assess the achievements of breed-ing,and promote the selection of new varieties.The results showed that the yield of the control varie-ty Yuetian No.16 fluctuated within a small range,with minimal changes in planting techniques.with the 83 new varieties approved over the decade,89%had a fresh ear yield exceeding 1 000 kg/667 m2 in production trials,showing a significant increase over the control variety Yuetian No.16.The lodging rate of new sweet corn varieties in the field was below 12%,and the breaking rate was below 2%,both showing a decreasing trend year by year,with the maximum lodging rate in 2021-2022 being less than 6.21%.The trends indicate a yearly decrease in ear skin thickness,a gradual increase in sol-uble sugar content,and a steady to improving taste.