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当前位置: 首页 > 文章 > 采收成熟度对烤烟叶片特征的影响 安徽农业科学 2022,50 (2) 38-41
Position: Home > Articles > Effect of Growth Period on Appearance Characteristics of Flue-cured Tobaccos Journal of Anhui Agricultural Sciences 2022,50 (2) 38-41

采收成熟度对烤烟叶片特征的影响

作  者：
王利祥
单  位：
重庆市烟草公司巫山分公司
关键词：
采收时间;外观特征;成熟区域;叶形
摘  要：
[目的]探究不同采收成熟度对烤烟叶片特征的影响,为烟叶适时采收提供判断指标和科学依据。[方法]以云烟116和云烟87为试验材料,根据不同采收时间,对其外观特征影响因素进行测定,主要包括SPAD值、叶片成熟区域、叶形等。[结果]随着采收时间延长,烟叶SPAD值逐渐降低,叶绿素降解速度逐渐增加,在烟叶达到成熟后逐渐降低;烟叶叶片成熟区域从以尚熟区域为主转变为以适熟区域为主,转变速度逐渐减小;叶长和叶宽整体呈增加趋势,在烟叶达到成熟后,两者有减小的趋势,烟叶的长宽比、叶宽最大处占叶长的比例与烟叶叶长显著相关。[结论]下部叶在打顶后24～31 d采收,中部叶在打顶后32～39 d采收,上部叶在打顶后47～54 d采收,烟叶的外观特征更符合优质烟叶标准。
译  名：
Effect of Growth Period on Appearance Characteristics of Flue-cured Tobaccos
作  者：
WANG Li-xiang;Wushan Branch of Chongqing Tobacco Company;
关键词：
Harvest time;;Appearance characteristics;;Mature area;;Leaf shape
摘  要：
[Objective] To explore the effects of different harvest time on the appearance characteristics of tobacco leaves, so as to provide judgment index and scientific basis for timely harvest of tobacco leaves. [Method] Yunyan 116 and Yunyan 87 were used as experimental materials. According to different harvest time, the influencing factors of their appearance characteristics were determined, including SPAD value, leaf mature area, leaf shape and so on. [Result]With the extension of harvest time, SPAD value of tobacco leaves decreased gradually, chlorophyll degradation rate increased gradually, and decreased gradually after tobacco leaves reached maturity; The mature area of tobacco leaves changed from mature area to suitable mature area, and the transformation rate decreased gradually; Leaf length and leaf width showed an increasing trend as a whole, and both showed a decreasing trend when tobacco leaves reached maturity. The ratio of length to width and the proportion of the largest leaf width to leaf length were significantly correlated with leaf length. [Conclusion] The lower leaves were harvested 24-31 days after topping, the middle leaves were harvested 32-39 days after topping, and the upper leaves were harvested 47-54 days after topping.

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