TANG Lingyun,MA Jinzhao,ZHANG Min,et al.Effects of Iodinated Copper-based Foliar Fertilizer onIodine Content,Yield and Quality of Radish[J].Northern Horticulture,2017,41(22):120-126.[doi:10.11937/bfyy.20170733]
含碘铜基叶面肥对萝卜碘含量、产量及品质的影响
- Title:
- Effects of Iodinated Copper-based Foliar Fertilizer onIodine Content,Yield and Quality of Radish
- Keywords:
- radish; iodine; copper; biological effects
- 文献标志码:
- A
- 摘要:
- 以萝卜品种“满堂红”为试材,以喷施清水、传统波尔多液为对照,研究了喷施不同浓度及种类的含碘铜基叶面肥对盆栽萝卜碘含量、产量及品质的影响,筛选出铜基叶面肥的适宜浓度及种类,为生产富碘萝卜提供参考依据。结果表明:喷施含碘铜基叶面肥土壤铜含量较传统喷施波尔多液显著降低39.10%~50.62%,但对萝卜铜含量并无显著影响,避免了铜对萝卜的毒害作用及土壤铜污染。与喷施清水处理相比,喷施1 g?L-1含碘酸钾的铜基叶面肥显著提高地下部碘含量93.41%及可溶性蛋白质含量39.26%;喷施2 g?L-1含碘化钾的铜基叶面肥,萝卜肉质根可溶性蛋白质含量显著提高37.87%;喷施1 g?L-1含碘化钾的铜基叶面肥地下部碘含量较CK显著降低44.38%,维生素C含量显著降低23.75%;喷施1、2 g?L-1含碘化钾的铜基叶面肥硝酸盐含量分别显著提高53.95%、92.68%。综上可知,萝卜喷施1 g?L-1含碘酸钾的铜基叶面肥效果最好。
- Abstract:
- In order to study the effects of iodinated copper-based foliar fertilizer (CBFF-I) on iodine content,yield,and quality of radish (Raphanus sativus L.) and to provide the basis for its scientifically application in practice,a pot experiment was investigated in our research,with the application of water and traditional bordeaux mixture (BDM) as comparison.The results indicated that copper content in the soil of CBFF-I treatment decreased significantly by 39.10%-50.62% compared with that of BDM treatment.However,copper contents in the plant were not significant among all treatments.In comparison to the control,treatment of 1 g?L-1 copper-based foliar fertilizer containing potassium iodate (CBFF-KIO1) increased iodine content in roots by 93.41% and the soluble protein content of roots by 39.26%.Treatment using 2 g?L-1 copper-based foliar fertilizer containing potassium iodide (CBFF-KI2) increased the soluble protein content in roots by 37.87%.Treatment of 1 g?L-1 (CBFF-KI1) decreased iodine content in roots by 44.38% and vitamin C content of root by 23.75%.CBFF-KI1 and CBFF-KI2 treatments significantly increased nitrite content by 53.95% and 92.68%,respectively.In conclusion,applying copper-based foliar fertilizer containing potassium iodate with a spraying concentration of 1 g?L-1 was recommended for radish cultivation.
参考文献/References:
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备注/Memo
第一作者简介:唐灵云(1992-),女,硕士研究生,研究方向为新型肥料研发与应用。E-mail:tanglingyun14@163.com.