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Effects of Aluminum on Leaf Water Relation and Nutritional Elements of Citrus Seedlings

机译:铝对柑橘幼苗叶水关系与营养元素的影响

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Nine-weeks-old ' Cleopatra' tangerine (Citrus reshni Hort. ex Tanaka) seedlings were fertigated daily for 8 weeks with 1/4 strength Hoagland nutrient solution containing 0 (control) or 2 mmol/L A12(SO4)3 ? 18H2O. The objective is to determine how leaf water relation and mineral nutrients of citrus seedlings respond to high aluminum (Al). Both leaf transpiration rate and water-use efficiency (WUE) decreased in response to Al, whereas leaf relative water content (RWC) showed non-significant change. Aluminum increased Al and Na contents and decreased P, K, Mg, Cu, Zn and Mo contents, but did not affect N, Ca, Fe, Mn and B contents in citrus seedling leaves. Generally, Al ecreased nutrient contents of citrus seedling leaves.
机译:九周龄'克里奥普特拉'橘子(柑橘Reshni Hort。extanaka)幼苗每天发育8周,含有0(对照)或2mmol / L A12(SO 4)3的1/4强度Hoagland营养溶液。 18H2O。目的是确定柑橘幼苗的叶子水关系和矿物质营养素如何应对高铝(Al)。叶片蒸腾速率和水使用效率(WUE)响应于Al而减少,而叶相对含水量(RWC)显示出非显着变化。铝增加的Al和Na含量和降低的P,K,Mg,Cu,Zn和Mo含量,但不影响柑橘幼苗叶中的N,Ca,Fe,Mn和B含量。一般来说,柑橘幼苗叶片的eAcread营养含量。

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