Identification and Evaluation of Ecological Adaptability of Nine Early Rice Varieties in Changsha County
Nine early rice varieties,including Zhongzao 39,Songyazao 1,and Lingliangyou 1785,were used as test varieties,while Zhuliangyou 819 was used as a control variety(CK).The ecological adaptability identification and evaluation of rice varieties were conducted in Honghe Village,Qingshanpu Town,Changsha County.By comparing the growth period,disease resistance,lodging resistance,agronomic traits,economic traits,and yield of different varieties,favorable varieties were selected for promotion and planting.The test results show that among the nine varieties,Songyazao 1 has the highest yield,reaching 609.8 kg/667m2,with an increase of 12.53%compared to Zhuliangyou 819(CK)and a total growth period of 113 days.Lingliangyou 1785 has the second highest yield of 584.8 kg/667m2,with a total growth period of 113 days.Zhonganzao No.7 has the third highest yield of 573.2 kg/667m2,with a total growth period of 114 days.These three varieties have good yields,moderate growth periods,and excellent comprehensive character performance,so they are recommended for promotion and planting in Changsha County.
early riceecological adaptabilityevaluationChangsha County
NETL
NSTL
万方数据
