井窖式移栽不同栽植深度对烤烟前期生长发育的影响
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摘要
为探明井窖式移栽不同栽植深度对烟株前期生长发育的影响,在贵阳龙岗基地开展了田间试验。结果表明,移栽后35 d,烟苗生长点距井窖口6 cm处理烟株农艺性状表现最好,生物量、根系活力最高,根系发育最好,综合效应系数最大。井窖式移栽适合的栽植深度以烟苗生长点距井窖口6 cm最为适宜,有利于烟株前期地上部生长、根系发育及干物质积累。
Field experiments were conducted in Longgang base,Guiyang to study the effects of different planting depth well cellar-type transplanting on the early growth and development of tobacco. Results showed that 35 d after transplanting, the treatments of tobacco growing point from 6 cm of well cellar mouth had the best agronomic traits with the highest biomass and root vigor, the best root development and the biggest comprehensive effect coefficient. The tobacco growing point from 6cm of well cellar mouth was most appropriate for well cellar-type transplanting planting depth, beneficial to early growth,root growth and dry matter accumulation of tobacco.
Field experiments were conducted in Longgang base,Guiyang to study the effects of different planting depth well cellar-type transplanting on the early growth and development of tobacco. Results showed that 35 d after transplanting, the treatments of tobacco growing point from 6 cm of well cellar mouth had the best agronomic traits with the highest biomass and root vigor, the best root development and the biggest comprehensive effect coefficient. The tobacco growing point from 6cm of well cellar mouth was most appropriate for well cellar-type transplanting planting depth, beneficial to early growth,root growth and dry matter accumulation of tobacco.
引文
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[4]刘国顺.烤烟旱作高产栽培技术[M].北京:中国农业出版社,1999.
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[6]韩锦峰.烟草栽培生理[M].北京:中国农业出版社,1994.
[7]杨宇虹,杨硕媛,崔国明,等.不同形志氮素配比对地膜烟的生长及烟叶品质和产量影响[J].云南农业大学学报,1999,14(3):246-249.
[8]程多福.美国北卡罗来纳州优质烟生产概况与研究进展[J].中国烟草科学,1998,19(2):43-44.
[9]徐亚中.美国马里兰州烤烟生产概况[J].中国烟草,1984(4):21-23.
[10]刘爱民.浏阳烟区烟田耕作制度改良研究[D].长沙:湖南农业大学,2006.
[11]李长权,杨文刚,黄占平,等.六盘水烟区烤烟井窖式移栽配套技术研究[J].现代农业科技,2012(22):9-11.
[12]罗会斌.烤烟井窖式移栽技术[J].农技服务,2012(3):344-353.
[13]李喜旺,周为华,蒋卫,等.烤烟“井窖式”移栽技术推广总结[J].安徽农业科学,2013,41(2):545-546,563.
[14]覃鹏,刘叶菊,刘飞虎,等.干旱处理对烟草叶片SOD和POD活性的影响[J].中国烟草科学,2005(2):28-30.
[15]陈少裕.膜脂过氧化对植物细胞的伤害[J].植物生理学通讯,1991,27(2):84-90.