补充光照对烟苗生长的影响

Acta Agriculturae Shanghai(2019)

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Abstract
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.
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