期刊
SCIENTIA HORTICULTURAE
卷 283, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scienta.2021.110110
关键词
Plant Fe-deficiency; Plant-Fe delivery; Fe foliar fertilization; Fe-liposome; Vegetative traits; Essential oils
类别
资金
- [32370]
The study found that foliar application of Fe-liposomes significantly improved the growth and essential oil content of sweet basil plants, making it a superior fertilizer compared to FeSO4-EDTA.
Lime-induced Fe- deficient soil causes plant Fe-deficiency, which can be overcome with the foliar application of liposomal Fe fertilizers capable of delivering Fe efficiently to plant tissues. In the current investigation, the effect of foliar fertilization of the Fe-liposome (Fe-L) in two concentrations (2.5 and 5 fold diluted) on sweet basil (Ocimum basilicum L.) was studied and vegetative growth, the ferrous/total Fe content, and also essential oil constituents were evaluated. In comparison, the FeSO4- EDTA and vehicle (citrate buffer) were used. The experiment was conducted in Completely Randomized Design with four treatments and three replications. The sweet basil plants were grown in pots with calcareous loamy soil (pH similar to 7.6, with an appropriate amount of N, K and P) in a greenhouse. Egg-derived phosphatidylcholine (EPC)/Fe-liposomes (200 nm in diameter and mono-disperse size distribution) enhanced the fresh and dry weight, increased total leaf area, and improved chlorophyll, ferrous, and essential oil content of the plants compared to the FeSO4 fertilizer. Moreover, methyl chavicol was found to be the primary compound in the essential oil using a gad-chromatogram-mass spectroscopy GC-MS. Overall, the Fe-liposome is a superior fertilizer than FeSO4- EDTA in terms of Fe-delivery and plant recovery.
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