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当前位置: 首页 > 文章 > 5-氨基乙酰丙酸对兔眼蓝莓光合性能及果实产量和品质的影响 北方园艺 2014 (16) 17-20
Position: Home > Articles > Effect of Exogenous 5-aminolevulinic Acid on Photosynthetic Capacity,Yield and Fruit Quality of Vaccinium ashei Reade Northern Horticulture 2014 (16) 17-20

5-氨基乙酰丙酸对兔眼蓝莓光合性能及果实产量和品质的影响

作  者：
韦继光;於虹;张晓娜;姜燕琴;曾其龙
单  位：
江苏省中国科学院植物研究所;江苏省植物迁地保护重点实验室
关键词：
5-氨基乙酰丙酸;兔眼蓝莓;光合性能;产量;果实;大小;品质;指标
摘  要：
以12年生兔眼蓝莓品种‘园蓝’为试材,研究了花后喷施5-氨基乙酰丙酸(ALA)对植株光合性能及果实产量和品质的影响。结果表明:喷施300mg/L ALA处理对兔眼蓝莓光合能力和产量的促进作用最大,叶片叶绿素含量相对值、净光合速率、气孔导度、蒸腾速率分别比对照提高4.5%、19.8%、19.4%和19.5%,PSⅡ最大光化学效率(Fv/Fm)和PSⅡ的有效光量子产额[Y(Ⅱ)]分别比对照上升0.7%、10.9%,果实纵径、横径、单果重和单株产量分别比对照高3.0%、3.3%、8.3%和8.1%。适量外源ALA可在一定程度上提高兔眼蓝莓果实可溶性糖含量,降低果实酸度,果实维生素C含量因果实变大而降低,低浓度和高浓度ALA处理果实总酚和总黄酮含量较高。由此推测适量ALA通过增强兔眼蓝莓光合效能,提高果实大小,从而提高产量,并改善部分品质指标。
译  名：
Effect of Exogenous 5-aminolevulinic Acid on Photosynthetic Capacity,Yield and Fruit Quality of Vaccinium ashei Reade
作  者：
WEI Ji-guang;YU Hong;ZHANG Xiao-na;JIANG Yan-qin;ZENG Qi-long;Institute of Botany,Jiangsu Province and Chinese Academy of Sciences,Jiangsu Province Key Laboratory for Plant Ex-situ Conservation;
关键词：
5-aminolevulinic acid;;Vaccinium ashei Reade;;photosynthesis;;yield;;fruit;;size;;quality;;index
摘  要：
With 12-year old Vaccinium ashei Reade cultivar‘Gardenblue'as materials,the effect of growth regulator of 5-aminolevulinic acid(ALA)on photosynthetic capacity,berry size,yield and fruit quality were studied.The results showed that the most effective levels of ALA for promoting photosynthetic capacity and yield were 300mg/L.Application of 300mg/L ALA resulted in the increase of chlorophyll content index,net photosynthetic rate,stomatal conductance,transpiration rate by 4.5%,19.8%,19.4%and 19.5%,respectively compared with control.An increase of 0.7%in the maximal photochemical efficiency of PSⅡ(Fv/Fm)and 10.9%in the effective quantum yield of PSII[Y(II)]in comparison with control was registered with the treatment of 300mg/L ALA.The increase in longitudinal diameter,fruit diameter,fruit weight and total yield per plant with 300mg/L ALA was 3.0%,3.3%,8.3%and 8.1%,respectively compared with control.Appropriate exogenous ALA increased soluble sugar content,but decreased fruit titratable acid content.The decrease in fruit vitamin C content mainly caused by enlargement of berry.Low and high level ALA-treated plants accumulated higher fruit total phenolic and total flavonoids content.These results suggested that adequate exogenous ALA application improved yield of Vaccinium ashei Reade mainly through increasing photosynthetic capacity and berry size.Several quality parameters also improved by appropriate exogenous ALA application.

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