ABA、GA3和NAA对蓝莓生长发育和花青苷积累的影响

    Effects of ABA,GA3 and NAA on Fruit Development and Anthocyanin Accumulation in Blueberry

    • 摘要: 为了探讨植物激素对蓝莓果实生长发育及花青苷的影响,以蓝丰为试材,分析了在白果期进行脱落酸(ABA,600 mg/L)、赤霉素(GA3,30 mg/L)、α -萘乙酸(NAA,200 mg/L)、清水(CK)处理后,果实生长发育和花青苷代谢相关物质的变化情况.结果表明:在蓝莓果实开始转色到成熟的过程中,花青苷的含量与果糖和葡萄糖的含量呈极显著的正相关关系,与类黄酮的含量呈显著的负相关关系.与CK相比,ABA能促进果实软化,显著提高果实花青苷、果糖、葡萄糖的含量,成熟时分别达3.01、13.22 和35.51 mg/g;NAA抑制总酚、类黄酮含量的积累,显著降低单果质量;GA3能显著提高果实单果质量和可溶性固形物的含量.NAA和GA3能减少花青苷的积累,但是效果不显著,成熟时花青苷质量分数均为2.29 mg/g.

       

      Abstract: The influences of ABA (600 mg/L), GA3 (30 mg/L) and NAA (200 mg/L) treatments on the fruit growth and the contents of anthocyanins, phenolics, sugars and flavonoids in blueberry,Vaccinium cv. Bluecrop,were studied. The results showed that during the period from veraison to full maturity, there were marked positive correlations between the contents of anthocyanins and hexoses and a negative correlation between contents of anthocyanins and flavonoids. Compared with the control, ABA treatment promoted fruit softening and significantly increased the contents of anthocyanins (3.01 mg/g), fructose (13.22 mg/g) and glucose (35.51 mg/g) in fruit; NAA treatment significantly reduced the fruit weight and suppressed the accumulation of total phenols and flavonoids; GA3 treatment significantly increased fruit mass and the content of soluble solids. Both NAA and GA3 treatment reduced the accumulation of anthocyanins, but the effect was not significant, and the final content was 2.29 mg/g.

       

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