期刊论文

Zhou, J.(jhzhou2005@163.com)

中文

农业机械学报

1000-1298

2009

40

6

143-146+198

110200001012:中国烟草总公司科技项目计划 11020041012:中国烟草总公司科技项目计划

本校为第一且通讯机构

应用两阶段聚类法对云南省大理州14个主栽烤烟品种C3F和C3L 2个等级的中部烟叶外观质量进行聚类分析,并应用多元方差分析对聚类效果进行了检验.结果表明,产地和品种对烤烟外观质量的影响较小,并将100 个烤烟样品外观质量分为3 个类型;明确了各类型烟叶外观质量的重要性状、变异特点和类型间的分类特性;其聚类分析结果与烤烟外观质量的实际表现相吻合,因而两阶段聚类分类结果客观、合理、准确、可靠.

The appearance quality of flue-cured tobacco leafs of 14 main planted varieties in Yunnan Dali were analyzed by using the two-step cluster method. Based on the result, the appearance quality of flue-cured tobacco leafs were less affected by vary zoology spots and different varieties. The 100 samples of flue-cured tobacco leafs were divided into 3 clusters. This method defines the important characteristics in a cluster and the classification among types. The conclusion is objective, reasonable and reliable, coincided with the field pe...