Effects of different sowing dates on cigar yield and quality

doi:10.14088/j.cnki.issn0439-8114.2025.10.018

Abstract

Abstract: The experiment was conducted in Suijiang County, Zhaotong City, taking Yunxue 39, a cigar core variety, as the test material, to investigate the effects of different sowing dates on its growth characteristics and economic traits. With the sowing date of February 20th as the control, two delayed sowing dates of March 10th and March 30th were set up. The quality of seedlings, growth period, agronomic traits, disease resistance, appearance quality of tobacco leaves, chemical composition and yield and quality of each treatment were compared and analyzed. The result showed that, Yunxue 39 sown on March 10 had the best agronomic traits and the lowest natural morbidity in the field. The physical properties and chemical composition of the tobacco leaves after curing showed obvious advantages, and the content of polyphenols was the best overall. Meanwhile, the seedling quality of Yunxue 39 sown on March 30th was the best, with earlier emergence and a shortened growth period in the field. The content of volatile organic acids was the best, and the fresh tobacco leaf yield was the highest at 66,360.33 yuan per hektare. Considering all the indicators, the optimal sowing period for the Yunxue 39 cigar variety in Liangjiang Village, Suichang County, Zhaotong City was from March 10th to March 30th.

Key words: cigar, swoing date, growth and development, yield and quality

CLC Number:

S572

XU Yun-yun, WANG Qing-jiang, XU Yong-bo. Effects of different sowing dates on cigar yield and quality[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(10): 119-125.

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