摘要
Abstract
In order to identify and screen the new early indica rice varieties suitable for being planted in Shaxian area,the regional test of late maturing group of early indica rice in the middle and lower reaches of the Yangtze River in the southern rice area of China was carried out.Eight varieties were tested,and Luliangyou 268(CK)was used as the control variety.Then,the adaptability,high yield,stable yield and stress resistance of each variety were observed.The results showed that:the yield of Qiuqiliangyou Zaozhan and Suiyou 636 were 7 102.50 kg·hm-2 and 7 042.50 kg·hm-2,which were 2.04%and 1.18%higher than that of CK,respectively.The yield was more prominent,the growth period was moderate,and the comprehensive traits were better,which had certain promotion potential.Therefore,they were suggested to enter the next stage test.The yield of Lingliangyou 041,Qiliangyou 2113,Lingliangyou 724 and Zhongzao 98 was lower than that of CK,but it did not reach a significant level,so the multi-point trial planting test could be further carried out.The yield of Zhongzao 97 and Lingliangyou 078 were 6 192.45 kg·hm-2 and 6 385.05 kg·hm-2,respectively,which were 11.03%and 8.26%lower than that of CK,respectively,and reached a very significant level.The comprehensive traits were poor.It was recommended to terminate the experiment and not recommended to be popularized and planted as early indica rice.关键词
长江中下游/早籼稻/区域试验/经济性状/筛选Key words
Middle and lower reaches of the Yangtze River/Early season indica rice/Regional test/Economic characteristics/Screening分类
农业科技
