论文部分内容阅读
为明确贺州烟区晒黄烟适宜的打顶方式,采用抠心打顶、现蕾期打顶、中心花开放打顶3种打顶方式对贺州烟区主栽晒黄烟品种进行处理,分析其对晒黄烟上部叶、下部叶、中部叶的外观质量、主要化学成分、产量、产值、感官评吸质量的影响。结果表明,随着打顶时间的推迟,晒黄烟的株高、茎围、节距、叶片数均有增加的趋势,而上部叶和中部叶长、宽有下降趋势,下部叶则相反;各部位烟叶的还原糖、总糖、植物总碱含量显著上升,总氮含量变化规律则不明显;同时晒黄烟的香型更加彰显,感官评吸质量评价综合得分也有所上升。综合分析认为,贺州晒黄烟可根据烟株长势选择现蕾期打顶或中心花开放50%打顶。
In order to clarify the suitable mode of top-drying yellow tobacco in Hezhou tobacco-growing areas, three kinds of top-drying methods were used to treat sun-cured yellow tobacco varieties in Hezhou tobacco-growing areas. The effects of appearance quality, main chemical composition, yield, output value and sensory evaluation quality of upper leaves, lower leaves and middle leaves of yellow sun-cured tobacco were studied. The results showed that with the delay of topping time, plant height, stem circumference, pitch and number of leaves increased, while the length and width of the upper and middle leaves tended to decrease. The lower leaves were opposite The contents of reducing sugar, total sugar and total plant alkaloids in tobacco leaves increased significantly while the changes of total nitrogen content were not obvious. Meanwhile, the flavor of sun-cured tobacco was more pronounced, and the comprehensive score of sensory evaluation of smoking quality also increased. Comprehensive analysis, Hezhou sun smoke can be selected according to the growth of tobacco plants topping or central flower opening 50% topping.