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为加快小麦新品种苏麦8号的示范推广,对其在江苏淮南地区的丰产性、稳产性、适应性及其产量构成因素的相关性进行分析。结果表明,大部分试点苏麦8号的产量均在6 750 kg/hm2以上,最高产量可以达到9 607.50 kg/hm2,表现出较好的丰产性和增产潜力;参试品种(系)中,苏麦8号的丰产性效应最高(1.563 2),试点间的产量变异度为1.741 5,综合评价较好;苏麦8号的产量构成因素中以千粒重的变异系数最大,其次为穗粒数,穗数的变异系数为最小;而其产量水平的提高受穗数的影响最大,其次是千粒重,受穗粒数的影响最小。为获得高产稳产,苏麦8号应通过田间措施,协调产量构成因素之间的关系,以发挥其增产潜力。
In order to speed up the demonstration and popularization of a new wheat variety Sumai 8, the correlation between high yield, stable yield, adaptability and yield components in Huainan area of Jiangsu Province was analyzed. The results showed that the yield of most of the trial Sumai 8 was more than 6 750 kg / hm2 and the highest yield could reach 9 607.50 kg / hm2, showing good yield and yield potential. Among the tested varieties (lines) Sumai 8 had the highest yield-productivity effect (1.563 2), and the yield variability among the experimental sites was 1.741 5. The comprehensive evaluation was better. The coefficient of variation of 1000-grain weight was the largest in Sumai 8, followed by the grain number per spike , The coefficient of variation of spike number was the smallest; and the increase of its yield level was the most affected by the number of spikes, followed by the 1000-grain weight, which was the least affected by the number of grains per spike. In order to obtain high and stable yield, Sumai 8 should coordinate the relationship between yield components to make full use of its yield potential through field measures.