矿质元素配比对红富士苹果树光合特性的影响  

Effects of Mineral Elements Formulas on Photosynthetic Characteristics of Red Fuji Apple Trees

作　　者：苗玲[1] 李向民[1] 史沉鱼[1] 刘尧[1] 

机构地区：[1]陕西师范大学,西安710062

出　　处：《中国农学通报》2009年第7期171-175,共5页Chinese Agricultural Science Bulletin

基　　金：国家星火计划项目"苹果园测土施肥技术应用"(2007EA850012)。

摘　　要：为明确矿质元素肥料配比对红富士苹果(Malus domestica cv.Fuji)树叶片的光合特性的影响,为其在生产中的合理使用提供理论依据,以成年的红富士苹果树为试验品种,针对铁、锌、硼、镁、钙5种元素对其叶片的叶绿素含量、净光合速率、蒸腾速率和气孔导度开展了田间试验。结果表明:成年盛果期红富士苹果树每株施用铁肥30g可以显著提高叶绿素含量;每株施锌80g+镁50g+钙150g可以提高净光合速率和蒸腾速率;每株施锌40g+镁50g+钙150g可以显著提高叶片气孔导度,硼对红富士苹果光合特性不明显。分析得出提高苹果果树叶片光合特性的最佳组合是铁(0g/株)+锌(40g/株)+镁(50g/株)+钙(150g/株)。To explore the influences of mineral elements formulas on yield, the content of chlorophyll, leaf photosynthesis rates, transpiration rates and stomatal conductance of Red Fuji apple trees was conducted in two years. Results showed that the optimal quantity of fertilization of improving the content of chlorophyll was Fe 30 g each tree. The optimal quantity of fertilization of improving the leaf photosynthesis rates and transpiration rates were Zn 80 g, Mg 50 g and Ca 150 g each tree. The optimal quantity of fertilization of improving stomatal conductance of Red Fuji Apple Trees were Zn 40 g, Mg 50 g and Ca 150 g each tree. The influence of B on photosynthetic characteristics of Red Fuji apple trees was insignificant. Consequently, The optimal quantity of fertilization of improving photosynthetic characteristics of Red Fuji apple trees were Fe 0 g, Zn 40 g, Mg 50 g and Ca 150 g each tree.

关 键 词：光合特性 红富士 矿质元素 

分 类 号：S147.34[农业科学—肥料学]