烟草科技2026，Vol.59Issue(1)：37-45,9.DOI:10.16135/j.issn1002-0861.2024.0880
生草栽培对烟田杂草防治效果和烟叶产量与品质的影响
Effects of grass cultivation on weed control in tobacco fields and yield and quality of tobacco leaves
摘要
Abstract
In order to explore the application effect of grass cultivation technology in tobacco fields,Astragalus sinicus,Trifolium repens and Trifolium pratense were selected as experimental plants to study their weed control effects,as well as their effects on the agronomic traits of tobacco and the yield,output value and chemical components of tobacco leaves,and the results showed that their extracts had strong inhibitory effects on the germination of Setaria viridis and Chenopodium album,the dominant weeds in tobacco fields of Tongren,and grass cultivation significantly improved soil fertility.The weed control efficacy of the grass cultivation in tobacco fields increased with the rise in grass seed sowing rate.The treatment with Trifolium pratense(150 kg/ha)showed the highest efficacy,with a plant control efficacy of 78.32%and a fresh weight control efficacy of 86.38%60 days after sowing.Compared with tobacco fields with naturally grown weeds,the grass cultivation improved the agronomic traits of tobacco plants,with increased or significantly increased leaf length,leaf width,stem circumference and effective leaf number.The yield and output value of tobacco leaves treated with the grass cultivation increased by 124.21%-209.70%and 260.44%-433.42%,respectively,while the proportion of high-quality tobacco leaves and the average price increased by 380.88%-823.32%and 50.13%-83.13%,respectively.Compared with tobacco fields with manual weeding,the agronomic trait indexes of tobacco plants under the various grass cultivation treatments,such as leaf length,leaf width and stem circumference were slightly reduced.The yield and output value of Trifolium pratense(150 kg/ha)treatment increased by 2.17%and 9.97%,respectively.The indexes of total nitrogen,nicotine,potassium ion,chloride ion,potassium-chloride ratio and sugar-alkaloid ratio in tobacco leaves treated with the grass cultivation generally met the requirements for high-quality tobacco leaves.关键词
烟田/生草栽培/杂草群落/烟叶/品质/化学成分Key words
Tobacco field/Grass cultivation/Weed community/Tobacco leaf/Quality/Chemical component分类
农业科技引用本文复制引用
刘杰,黄家腾,陈代荣,谭智勇,艾永峰,韩博文,杨洁,胡利锋,刘敏..生草栽培对烟田杂草防治效果和烟叶产量与品质的影响[J].烟草科技,2026,59(1):37-45,9.基金项目
贵州省烟草公司科技项目"黔东山地烟区田间杂草绿色防控技术研究与应用"(2023XM09). （2023XM09）
