纳米锌肥对番茄果实锌含量与品质的强化

Improvement of zinc concentration and quality of tomato fruit by nano zinc fertilizer

为了探究纳米锌肥对番茄果实锌富集与品质的作用,通过在番茄开花期喷施纳米锌肥(Zn+Nano Green),对番茄果实产量、锌含量、铁含量、维生素C含量、有机酸含量、可溶性糖含量进行了研究。结果表明,Nano Green能够增加番茄对锌肥的吸收及果实锌含量,从而提高叶面锌肥的利用率。Zn+Nano Green250、Zn+Nano Green500、Zn+Nano Green750、Zn+Nano Green 1 000处理与对照(清水)相比,番茄果实锌含量分别提高了26.9%、34.8%、24.9%、22.5%。锌肥与Nano Green配施可以显著提升番茄的产量及营养品质,尤以Zn+Nano Green 500效果最佳。与对照相比,Zn+Nano Green500处理的番茄产量增加32.3%,锌含量增加34.8%,铁含量增加42.9%,维生素C含量增加40.8%,糖酸比值增加9.9%。

To explore the influence of nano zinc fertilizer on fruit zinc concentration and quality of tomato,foliar nano zinc fertilizer（ Zn＋Nano Green） was sprayed on tomato at flowering stage,and the tomato yield,the contents of zinc,iron,vitamin C,organic acid,and soluble sugar were measured. The results showed that Nano Green increased the zinc uptake by tomato and Zn in fruit,and thus improved the zinc fertilizer utilization. Compared to the control（ water）,the fruit zinc contents of Zn ＋ Nano Green250,Zn ＋ Nano Green500,Zn ＋ Nano Green750,Zn ＋ Nano Green1000 treatment were increased by 26. 9%,34. 8%,24. 9%,and 22. 5%,respectively. The Zn ＋ Nano green treatments significantly improved the yield and quality of tomato,among which,the Zn ＋ Nano Green500 treatment presented the best effect. The yield,zinc content,iron content,vitamin C content and sugar acid ratio of tomato with Zn＋Nano Green500 treatment were increased by32. 3%,34. 8%,42. 9%,40. 8%,and 9. 9% respectively as compared to CK.