Promotive effect of 5-aminolevulinic acid on chlorophyll, antioxidative enzymes and photosynthesis of Pakchoi ( Brassica campestris ssp . chinensis var. communis Tsen et Lee)
作者： Saba Ambreen Memon , Xilin Hou , Liangju Wang , Ying Li
DOI: 10.1007/S11738-008-0198-7
关键词: Plant physiology 、 Brassica 、 Enzyme assay 、 Superoxide dismutase 、 Peroxidase 、 Botany 、 Photosynthesis 、 Chemistry 、 Horticulture 、 Chlorophyll 、 Catalase
摘要: The objective of this article is to study the effect 5-aminolevulinic acid (ALA) and enhanced chlorophyll content, antioxidative enzymes photosynthesis rate by foliar application ALA. We evaluated three concentrations (control-distilled water, T1-50 mg l−1, T2-150 T3-250 l−1) ALA seven cultivars, “Sanchidaye” (Sa-1), “Lichuandasuomian” (Li-1), “Aijiaohuang” (Ai-1), “Qingyou” No. 4 (Qi-1), “Aikang” 5 (Ak-1), “Hanxiao” (Ha-1) “Shulv” (Sl-1). “Ak-1” showed strongest response POD (peroxidase) enzyme activity (0.4 U g−1 min−1) in 250 l−1 solution. highest CAT (catalase) (0.8 after administration was observed “Li-1”. Meanwhile, (1.42 total content also “Ak-1”, when leaves were treated 50 ALA, “Li-1” “Ai-1” specific superoxide dismutase (SOD) Two hundred fifty milligram per milliliter ALA-treatment significantly improved net photosynthetic rate.
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