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Response of growth,essential oil composition,endogenous hormones and microbial activity of Mentha piperita to some organic and biofertilizers agents |
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| Institution: | Department of Biological Sciences, College of Science and Humanities, Shaqra University, Saudi Arabia |
| Abstract: | The effect of organic (poultry and cattle manures) and biological (effective microorganisms, EM) fertilizers on growth, essential oil yield and its compositions, endogenous phytohormones content and antibacterial activity of peppermint plants grown in pot over 12 weeks was studied. Application of organo- and bio-fertilizers greatly affected on growth, essential oil production and other estimated parameters of peppermint plants. Slight stimulation effect was happened due to soil application of organic manures. Soil application of EM alone or in combination with organic fertilizers significantly increased growth, yield and components of essential oils, endogenous hormones of peppermint as compared to other treatments. Using disc diffusion method, the extracted oil of peppermint plants amended with organic and biofertilizers recorded the highest antibacterial activity against tested pathogenic bacteria like Klebsiella pneuumoniae and Staphylococcus aureus. |
| Keywords: | Organic manures Effective microorganism Essential oils Peppermint Antibacterial activity Hormones CT"} {"#name":"keyword" "$":{"id":"k0040"} "$$":[{"#name":"text" "_":"Cattle manure EM"} {"#name":"keyword" "$":{"id":"k0050"} "$$":[{"#name":"text" "_":"Effective microorganisms IAA"} {"#name":"keyword" "$":{"id":"k0060"} "$$":[{"#name":"text" "_":"Indole acetic acid GA3"} {"#name":"keyword" "$":{"id":"k0070"} "$$":[{"#name":"text" "_":"Gibberellic acid PM"} {"#name":"keyword" "$":{"id":"k0080"} "$$":[{"#name":"text" "_":"Poultry manure MIC"} {"#name":"keyword" "$":{"id":"k0090"} "$$":[{"#name":"text" "_":"Minimum inhibitory concentrations HPLC"} {"#name":"keyword" "$":{"id":"k0100"} "$$":[{"#name":"text" "_":"High performance chromatograph |
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