BAU-9403吸收转运效果的初步研究

Acta Botanica Boreali-Occidentalia Sinica(2007)

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Abstract
采用2个BAU-9403剂量,4种处理方式对4个基因型小麦的主茎叶片进行处理,通过检测各处理分蘖穗的雄性不育性及其叶片的光合特性,探讨BAU-9403的吸收和转运效果.结果表明:(1)小麦主茎叶涂施BAU-9403后,不仅诱导主茎穗雄性不育,且可吸收转运到分蘖穗产生雄性不育;(2)分蘖叶叶色变淡,叶绿素含量较CK低,较主茎叶高,差异均显著;(3)主茎叶和分蘖叶的净光合速率分别为7.89和8.87μmol CO2·m-2·s-1,均比CK(10.45μmol CO2·m-2·s-1)低,主茎叶与CK差异显著(T=2.447);(4)分蘖穗不育度因基因型敏感性、处理方式和剂量的不同而异.说明BAU-9403处理小麦后可吸收转运到未处理部位产生效果.对反应敏感的基因型,使用较大剂量和增大处理面积利于BAU-9403的吸收转运,但对植株会有一定程度的损伤,对光合性能产生不利影响.
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Key words
absorbability,BAU-9403,photosynthesis,transport
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