Experimental Comparison of Late Rice Varieties in Baise City in 2022
In order to select high quality and high yielding rice varieties suitable for planting in the Baise area,four rice varieties,including"Zhongzheyou 8","Xinghuoyou 201","Hanyou 78",and"Yexiangyoulisi",were selected and compared with the control variety"Teyou 63"(CK)for the late rice experiment.The analysis focused on the growth period,disease resistance,lodging resistance,field plant performance,economic traits,yield,and rice quality were analyzed.Except for"Zhongzheyou 8",which had a longer growth period compared to the control variety"Teyou 63"(CK),all other varieties had shorter growth periods.Moreover,apart from"Zhongzheyou 8",all the tested varieties showed good resistance to sheath wilt,rice blast and crouching,with overall good resistance."YeXiangYoulisi"had the highest yield,reaching up to 524.8 kg/667 m2,the highest number of effective ears,good comprehensive resistance,and excellent rice quality."ZhongzheYou 8"had the second highest yield,reaching up to 512.3 kg/667 m2,the longest ear length,and excellent rice quality."Xinghuoyou 201"had the lowest yield,only 486.3 kg/667 m2,and the lowest seed setting rate,with medium rice quality.Among the 4 rice varieties tested,"YexiangYoulisi"and"Zhongzheyou 8"sexhibited good overall characteristics and were suitable for popularization and application in the Youjiang area of Baise.Other varieties could be popularized and planted based on different soil and climate conditions,in combination with variety characteristics.