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Study on the Flue-curing Characteristics of NC55, a New Flue-cured Tobacco Variety Introduced from Abroad
Author(s): 
Pages: 158-163
Year: Issue:  z1
Journal: Acta Agriculturae Boreali-Sinica

Keyword:  烤烟NC55烘烤特性;
Abstract: 为摸清引进烤烟新品种NC55的烘烤特性,以中烟100为对照品种,研究了成熟烟叶在暗箱条件下的变色特性,烘烤过程中色素含量、水分含量及多酚氧化酶(PPO)活性变化.结果表明,暗箱条件下,NC55变黄快,易烤性好;变黄后开始变褐时间较中烟100长,变褐速度也较慢,耐烤性也好.烘烤变黄期,NC55叶绿素和类胡萝卜素降解量也较大,但低于中烟100,变黄与失水速度较协调;烘烤前期NC55的PPO活性较低,不易发生棕色化反应.品种NC55的烤后烟叶外观质量和经济性状均显著好于中烟100.
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