补充光照对烟苗生长的影响
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摘要
以烟草品种‘云烟87’为材料,研究了育苗大棚补充光照对‘云烟87’烟苗生长的影响。结果表明:在早晨及傍晚时,补充光照可使育苗棚内的光照强度显著提高;较强的光照强度能够提高烟苗的出苗率,缩短育苗期;在大十字期及成苗期,补充光照处理的烟苗茎高、茎粗、叶长、叶宽、SPAD和干物质总量均有提高。可见,适时适量的补充光照对‘云烟87’烟苗的生长具有积极的影响,可为优质烤烟生产奠定良好基础。
The effects of supplementary illumination in greenhouse on the growth of tobacco seedlings of ‘Yunyan 87' were studied. The results showed that in the morning and evening,supplementary illumination could significantly increase the light intensity in greenhouse. Stronger light intensity could improve the emergence rate of tobacco seedlings and shorten the seedling-raising period. At the three to four leaves stage and seedling transplanting stage,the stem height,stem diameter,leaf length,leaf width,SPAD and total dry matter of tobacco seedlings treated with supplementary illumination increased. In summary,timely and appropriate supplementary illumination could have a positive impact on the growth of ‘Yunyan 87' tobacco seedlings and lay a good foundation for the production of high-quality flue-cured tobacco.
The effects of supplementary illumination in greenhouse on the growth of tobacco seedlings of ‘Yunyan 87' were studied. The results showed that in the morning and evening,supplementary illumination could significantly increase the light intensity in greenhouse. Stronger light intensity could improve the emergence rate of tobacco seedlings and shorten the seedling-raising period. At the three to four leaves stage and seedling transplanting stage,the stem height,stem diameter,leaf length,leaf width,SPAD and total dry matter of tobacco seedlings treated with supplementary illumination increased. In summary,timely and appropriate supplementary illumination could have a positive impact on the growth of ‘Yunyan 87' tobacco seedlings and lay a good foundation for the production of high-quality flue-cured tobacco.
引文
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[3]杨利云,李军营,王丽特,等.光环境对烟草生长及物质代谢的影响研究进展[J].基因组学与应用生物学,2015,34(5):1114-1128.
[4]魏灵玲,杨其长,刘水丽.密闭式植物种苗工厂的设计及其光环境研究[J].中国农学通报,2007,23(12):415-419.
[5]郭双生,艾为党,赵成坚,等.受控生态生保系统中植物生长光源的选择[J].航天医学与医学工程,2003,16(增刊1):490-493.
[6]崔瑾,马志虎,徐志刚,等.不同光质补光对黄瓜、辣椒和番茄幼苗生长及生理特性的影响[J].园艺学报,2009,36(5):663-670.
[7]储钟稀,童哲,冯丽洁,等.不同光质对黄瓜叶片光合特性的影响[J].植物学报,1999,41(8):867-870.
[8]史宏志,韩锦峰,远彤,等.红光和蓝光对烟叶生长、碳氮代谢和品质的影响[J].作物学报,1999,25(2):215-220.
[9]柯学,李军营,李向阳,等.不同光质对烟草叶片生长及光合作用的影响[J].植物生理学报,2011,47(5):512-520.
[10]张得智,黄登涛,周清明.不同颜色棚膜覆盖对烟苗生长的影响[J].安徽农学通报,2012,18(21):102-105.
[11]韩锦峰,张国显,赵鹏,等.单色蓝光和红光对烟苗叶片生长和碳氮代谢的影响[J].河南农业大学学报,1998,32(3):258-262.
[12]刘国顺,乔新荣,王芳,等.光照强度对烤烟光合特性及其生长和品质的影响[J].西北植物学报,2007,27(9):1833-1837.
[13]乔新荣.光照强度对烤烟生长发育、光合特性及品质的影响[D].郑州:河南农业大学,2007.
[14]贺国强,张鹏飞,张会慧,等.弱光烟草幼苗低温后不同光强下叶片的光能利用特点[J].核农学报,2016,30(6):1234-1239.
[15]肖翔太.光照调控对烟草漂浮育苗效果影响的研究[D].泰安:山东农业大学,2017.