9个小麦品种(系)比较试验中的主要农艺性状

目的:通过对9个小麦品种(系)的比较试验中的主要农艺性状统计分析,筛选出比较适宜现阶段在贵阳地区乃至贵州省栽培的高产优质小麦品种(系)。方法:9个小麦品种(系)在试验地里随机区组排列,3次重复,记录小麦的全生育期,出苗数,田间生育期,株高,有效分蘖数,每株干重,穗长,穗粒重等,并在Excell上进行统计分析。结果:全生育期在200天左右,出苗数有3个超过100万/ha,最低只有44．8万/ha,株高在50 cm以上的有6个品种(系),3个在40 cm-50 cm之间,有效分蘖数400万/ha以上的有3个,最低的是199．1万/ha,每株干重最高是8．5 g,最低是5．7 g,穗长整齐度除98-22外都优于对照,经LSR法测验表明,贵农15,黔98353,黔麦15分别与夏繁29,98-28,贵单5号,黔98284-82,黔0110都达到差异显著水平,贵农15,黔98353,黔麦15分别与98-22达到差异极显著水平,其余的差异皆不明显。结论:可以初步得出贵农15,黔98353,黔麦15目前可以作为在贵阳地区推广种植的较优品种(系)。

Mainly Agronomic Character of Comparative Experiment of 9 Wheat Varieties

Objective:To select indexes of agronomic characters for high yield and good quality wheat varieties that could be widely grown in Guiyang region at present.Methods:Data of many agronomic characters of 9 wheat varieties which induded life day in wheat,plant height of wheat,the effective tillers of wheat per ha,plant dry weight,panicle length,grain weight of 10 indi- vidual plants,were measured and analysed on Excell.Results:The results showed that life day in all wheat varieties were about 200 days.Plant heights of 6 wheat varieties were above and beyond 50cm,3 wheat varieties between 40 cm and 50 cm.The effec- tive tillers of wheat varieties per ha changed from 1991 thousand to 5397 thousand,and plant dry weights of individual plant of wheat varieties altered from 5.7g to 8.5g.Uniformity of panicle length were all better than CK,except 98-22.About grain weight per 10 wheat plants,the LSR analysis indicated that Guinong15,Qian98353 and Qianmai15 are statistically significant comparied with Xiafan29,98-28,GuidanS,Qian98284-82 and Qian0110 respectivdy.So indexes of agronomic characters for high yield and good quality of these 3 varieties were obviously better than others.Conclusions:The comparative experiment was conducted to introduce 9 wheat varieties,and the difference of grain weight per 10 wheat plants among varieties was remarkable.Other agro- nomic characters among 9 wheat varieties showed that Guinong15,Qian98353 and Qianmai15 were also better than other varieties. The relations among all traits in wheat was in limiting and development each other so a single trait should not be raised without consideration of other traits.Comprehensive selection could effectively increase agronomic characters for high yield and good qual- ity wheat varieties.Summing up,Guinong 15,Qian 98353 and Qianmai 15 could he considered as high-yielding and good quality wheat varieties that could be widely breeding in Guiyang region at the present time.