论文部分内容阅读
在烤烟种植密度、单株叶数相对固定的条件下,调查了烤烟农艺性状与产量产值的关系。以24个烤烟品种(系)为试验材料,采用相关性、灰色关联度两种方法分析了株高、茎围、平均叶面积、中上等烟比例和单叶重对产量产值的影响,并对试验材料的农艺性状进行了聚类分析。结果显示,单叶重、中上等烟比例、株高、茎围、平均叶面积与烤烟产量产值呈正相关;对烤烟产量影响最大的是单叶重,达极显著水平;对烤烟产值起主要作用的是中上等烟比例和单叶重;聚类分析将24个供试材料分为3类,其中4008、4017两个品系的产量产值及主要参考数量性状平均值最高,生产潜力较大。
The relationship between agronomic traits and yield and yield of flue-cured tobacco was investigated under the conditions of relatively constant planting density and number of leaves per plant. Twenty - four flue - cured tobacco cultivars (lines) were used as experimental materials. The effects of plant height, stem circumference, average leaf area, middle and upper tobacco ratio and single leaf weight on yield and yield were analyzed by correlation and gray correlation. The agronomic traits of the tested materials were clustered. The results showed that single leaf weight, middle and upper tobacco proportion, plant height, stem circumference and average leaf area were positively correlated with the yield and yield of flue-cured tobacco. The single leaf weight had the greatest impact on the yield of flue-cured tobacco. The effect was middle and upper tobacco proportion and single leaf weight. Cluster analysis divided the 24 tested materials into 3 categories, of which 4008 and 4017 had the highest average yield and major reference traits, .