黄腐酸对欧美杨光合及蒸腾速率的影响
Chinese Agricultural Science Bulletin(2008)
Abstract
抗蒸腾剂是减少水分损失的一种新型的抗旱化技术,为了解其对欧美杨的影响,以1年生苗木为研究对象,通过喷施不同浓度的黄腐酸处理,结果表明,质量浓度为3.5g/L的处理效果最好,其气孔导度和蒸腾速率分别比对照降低了42.0%和38.8%;对光合作用有促进作用;对欧美杨的叶水势提高幅度为13.8%,能显著抑制叶水势的下降。
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Key words
photosynthesis,FA,leaf water potential,transpiration rate,stomatal conductance,Populus euramericana
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