外源喷施植物生长调节剂对香蕉产量和外观品质的影响

本文主要探究喷施植物生长调节剂对香蕉产量和外观品质的影响。在香蕉反梳时，按照一定比例喷施胺鲜酯、赤霉素和复硝酚钠+赤霉素复配液，对香蕉果皮色差、果实特征、果实中大量元素累积量以及产量等指标进行动态跟踪。结果表明，与对照相比，喷施赤霉素和复硝酚钠+赤霉素复配液，可以显著提高香蕉果皮亮度、果指长和果实中NK养分累积；喷施胺鲜酯、赤霉素以及复硝酚钠+赤霉素复配液分别比对照增产4.60、7.70和12.33 kg/plant。综合比较，复硝酚钠+赤霉素复配液处理的效果明显好于胺鲜酯和赤霉素处理。研究表明在香蕉反梳时，可以通过硝酚钠+赤霉素复配液来提高香蕉产量和外观品质。

Effects of exogenous spraying plant growth regulators on banana yield and appearance quality

[Objective] Our objective is to research the effect of spraying plant growth regulators on yield and appearance quality of banana. [Method] DA-6, gibberellin, mixture of gibberellin and compound sodium nitrophenolate were sprayed on banana fruit fingers during banana backcomb period. Banana peel color, fruit characteristics, nutrients accumulation and yield were dynamically traced. [Result] Compared with CK treatment, spraying gibberellin and mixture of gibberellin and compound sodium nitrophenolate significantly increased banana brightness, finger length and NK accumulation amount. And spraying DA-6, gibberellin and mixture of gibberellin and compound sodium nitrophenolate significantly improved yield, which were 4.60 kg/plant, 7.70 kg/plant and 12.33 kg/plant higher than CK treatment respectively. Comprehensive comparison of all treatments, spraying mixture of gibberellin and compound sodium nitrophenolate were better than spraying DA-6 and gibberellin. [Conclusion] Spraying mixture of gibberellin and compound sodium nitrophenolate can improve banana yield and appearance quality during banana backcomb period in banana production.