[关键词]
[摘要]
探讨叶面喷施稀土元素镧对黄花蒿植株光合作用及青蒿素积累的影响。方法采用LI-6400便携式光合作用测量系统测量黄花蒿Artemisiaannua叶片净光合速率(net photosynthetic rate,Pn)。
[Key word]
[Abstract]
study the effects of lanthanum on leafpho Tosyn thesis and art emisinin accu mulation in Arte misia annua . Methods Netpho Tosyn the ticrate ( Pn ) in leaves of A . annua was deter mined by a port able gas exchange system ( LI6400).
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[基金项目]
国家重点基础研究发展计划(2006CB504700);国家自然科学基金资助项目(30672616,30672617);国家科技支撑计划(2006BAI09B03)