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.
维普
万方数据