黄柠乳油在烤烟上的应用研究:Ⅰ.对烤烟某些生理效应的影响

来源 :中国烟草科学 | 被引量 : 0次 | 上传用户:chenyikg21
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在田间和盆栽条件下,研究了稀释浓度为400、600和800倍黄柠乳油液在烤烟的光合速率、蒸腾速率,叶绿素含量和根系活力等方面的生理效应。结果表明,3种浓度都能提高叶片的光合速率和蒸腾速率,增加叶绿素含量和根鲜,干重,增强根系活力。以上生理效应在3种浓度之间存在显著或极显著差异,其中以600倍液表现最佳,而400倍液在烟株生长后期有一定的负效应。
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