[1]朱雯慧,梁增发,黄瑞寅,等.留叶数与采收时间对上部烟叶成熟特征、产量及质量的影响[J].江苏农业学报,2025,(10):1946-1953.[doi:doi:10.3969/j.issn.1000-4440.2025.10.008]
　ZHU Wenhui,LIANG Zengfa,HUANG Ruiyin,et al.Effects of leaf retention number and harvesting time on maturation characteristics, yield, and quality of upper tobacco leaves[J].,2025,(10):1946-1953.[doi:doi:10.3969/j.issn.1000-4440.2025.10.008]
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留叶数与采收时间对上部烟叶成熟特征、产量及质量的影响()

江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2025年10期
页码:
1946-1953
栏目:
耕作栽培·资源环境
出版日期:
2025-10-31

文章信息/Info

Title:
Effects of leaf retention number and harvesting time on maturation characteristics, yield, and quality of upper tobacco leaves
作者:
朱雯慧1; 梁增发2; 黄瑞寅2; 张震2; 谢晋2; 王媛媛1; 王维1; 杨天乐2
(1.华南农业大学农学院,广东广州510642；2.广东中烟工业有限责任公司,广东广州510500)
Author(s):
ZHU Wenhui1; LIANG Zengfa2; HUANG Ruiyin2; ZHANG Zhen2; XIE Jin2; WANG Yuanyuan1; WANG Wei1; YANG Tianle2
(1.College of Agriculture, South China Agricultural University, Guangzhou 510642, China;2.China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510500, China)
关键词:
烤烟; 上部叶; 留叶数; 采收时间; 成熟度
Keywords:
flue-cured tobacco; upper leaves; number of leaves retained; harvesting time; maturity
分类号:
S572
DOI:
doi:10.3969/j.issn.1000-4440.2025.10.008
文献标志码:
A
摘要:
为明确云南省普洱市烟草种植区留叶数与采收时间对烟草上部叶片成熟特征及产量和质量的影响，本研究设置上部不同留叶数与采收时间双因素试验。结果表明，相同留叶数前提下，随采收时间推迟烟草上部叶片叶绿素相对含量(SPAD值)逐渐减小，留6片叶比留4片叶SPAD值高；鲜烟叶总糖含量、还原糖含量随采收时间推迟呈先上升后下降趋势，留6片叶比留4片叶总糖含量、还原糖含量高；淀粉含量随采收时间推迟持续下降；烤后烟叶还原糖含量、总氮含量、淀粉含量、钾含量随采收时间推迟整体呈下降趋势；石油醚提取物含量随采收时间推迟呈先上升后下降的趋势；烟叶成熟度逐渐提高，油分评价得分、身份评价得分、色度评价得分、颜色评价得分呈先上升后下降趋势，综合评价A2B2处理、A2B3处理分值较高，分别为7.70分、7.93分；随采收时间推迟烟叶产量、产值、均价及上等烟比例呈先上升后下降趋势，同一采收时间，留6片叶比留4片叶烟草产量、产值更高，其中A2B2处理、A2B3处理烟叶经济性状整体表现更优。根据本研究结果，为提高烟叶质量和烟农收益，建议云南省普洱烟区采用6片留叶数，采收时间比正常采收时间延迟3～6 d。
Abstract:
To clarify the effects of leaf retention number and harvesting time on the maturation characteristics, yield, and quality of upper tobacco leaves in the tobacco-growing areas of Pu’er City, Yunnan province, this study designed a two-factor experiment involving different upper leaf retention numbers and harvesting times. The results showed that, under the same leaf retention number, the relative chlorophyll content (SPAD value) of upper tobacco leaves gradually decreased with the delay of harvesting time. Additionally, retaining six leaves resulted in a higher SPAD value compared to retaining four leaves. The total sugar content and reducing sugar content in fresh tobacco leaves first increased and then decreased with the delay of harvesting time, and retaining six leaves resulted in higher total sugar and reducing sugar contents compared to retaining four leaves. The starch content continuously decreased as the harvesting time was delayed. For cured tobacco leaves, the reducing sugar content, total nitrogen content, starch content, and potassium content showed an overall downward trend with the delay in harvesting time, whereas the petroleum ether extract content first increased and then decreased. The maturity of tobacco leaves gradually improved, while the evaluation scores for oil content, body, color intensity, and color first increased and then decreased. Treatments A2B2 and A2B3 received relatively high comprehensive evaluation scores of 7.70 and 7.93, respectively. With the delay in harvesting time, the yield, output value, average price, and proportion of top-grade tobacco first increased and then decreased. At the same harvesting time, the yield and output value of tobacco with six retained leaves were higher than those of tobacco with four retained leaves. Treatments A2B2 and A2B3 showed better overall performance in economic traits of tobacco leaves. Based on the results of this study, to enhance tobacco leaf quality and increase farmers’ income, it is recommended that tobacco-growing areas in Pu’er City, Yunnan province adopt a practice of retaining six leaves and delay harvesting by 3-6 days compared to the conventional harvesting period.

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备注/Memo

备注/Memo:
收稿日期：2024-08-07基金项目：广东中烟工业有限责任公司项目(2021440000340011)作者简介：朱雯慧(2005-),女,福建三明人,本科,研究方向为烟草工程。(E-mail)2107763623@qq.com通讯作者：杨天乐,(E-mail)124194416@qq.com
更新日期/Last Update: 2025-11-17