田间不适用鲜烟叶的消化时期与消除叶片数对烟叶经济性状的影响

Chinese Agricultural Science Bulletin(2013)

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Abstract
为了明确田间不适用鲜烟叶的最佳消化时期与消除的叶片数,提升优质烟叶原料的有效供给能力。采用正交设计试验设计与直观分析方法,研究了田间不适用鲜烟叶(底叶与顶叶)的不同消化时期与消除叶片数对烤烟经济性状的影响。结果表明:消除上部叶的时机是影响烤烟上等烟比例、中上等烟比例、均价与产值的主要因素,下部叶消除叶片数是影响烤烟产量的主要因素。在试验设置的水平范围内,优化烟叶结构后均不同程度提高了烤烟的经济性状,以处理3组合和处理5组合的烤烟经济性状表现最好。
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Key words
economic character,the direct-viewing analysis,the field inapplicability and fresh tobacco leaves,the period of removing,the orthogonal design method,the number of removing tobacco leaves
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