毕节地区不同海拔烤烟品种综合评价

摘要

Seven flue -cured tobacco varieties were made quality assessment from Weining,Dafang and Qixingguan areas by SPSS data analysis method to select suitable varieties for planting in Bijie.According to 11 indicators including production,average price,the ratio of middle and high quality tobacco leaves,reducing sugar,nitrogen and alkali ratio and so on,the synthesis scoring function F =0.318 ×F1 +0.223 ×F2 +0.196 ×F3 +0.125 ×F4 was established through principal component analysis and comprehensive evaluation analysis.And the final score indicated that Bina 1 and Nanjiang 3 owned the best performance,and had better regional adaptability.%运用 SPSS 软件对毕节市威宁、大方、七星关三个地区的7个烤烟品种进行分析评价，筛选适合毕节地区种植的烤烟品种。根据各烤烟品种的产量、均价、中上等烟比例、还原糖、氮碱比等11项指标，通过主成分分析和综合评价分析得到综合得分函数：F ＝0．318×F1＋0．223×F2＋0．196×F3＋0．125×F4。最终得分表明：烤烟品种毕纳1号、南江3号综合表现最好，具有较高的地区适应性。