安乡县优质中籼稻杂交组合筛选试验

Screening Test of High Quality Medium Indica Rice Hybrid Combination in Anxiang

以安乡县参试的21个中籼稻为材料,进行杂交组合对比试验,测定了各组合的生育期、抗逆性、产量等,以筛选出适合安乡县种植的品种。结果表明:产量较高的是隆两优1212,生育期最长的是Y两优808,生育期最短的是隆晶优1212,千粒重最高的是Y两优1928,成穗率最高的是隆两优1988;21个品种中有隆两优1212、兆优5431、Y两优1928等19个品种抗倒伏,21个品种均抗白叶枯病和稻瘟病,且抗病能力较强。综合而言,隆两优1212、兆优5431、Y两优1928、荣优华占、隆两优1988、Y两优808等8个品种适合在安乡县种植。

Screening test were conducted with 21medium indica rice varieties as materials, the growth period, resistance and yield of each combination were measured to select the variety suitable for planting in Anxiang county. The results were as follows： the Longliangyou 1212 got high yield, Y Liangyou 808 got the longest growth period, but Longjingyou1212 got the shortest. Y liangyou1928 got the highest 1000-particle weight, and Longliangyou 1988 got the highest tassel rate. Among the 21 varieties, 19 varieties, such as Longliangyou 1212, Zhaoyou 5431 and Y liangyou 1928, have anti-lodging. All 21 varieties had strong resistance to bacterial leaf blight and rice blast. In generally, 8 varieties, including Longliangyou 1212, Zhaoyou 5431, Y liangyou 1928, Rongyouhuazhan, Longliangyou1988 and Y liangyou 808, are more suitable for planting in anxiang county.