Critical manganese levels for Japanese mint (Mentha arvensis L. var. piperascens Malinv.) grown in nutrient solution
1995
Misra, A.
Trials conducted on Japanese mint (Mentha arvensis L. var. piperascens Malinv.) during winter under glasshouse conditions indicated that biomass, essential oil, total chlorophyll, menthol content and Mn uptake followed a quadratic trend with graded levels of Mn application in nutrient solution. Oil concentration and menthol contents were positively associated with both fresh herbage yield and total chlorophyll contents, the latter two characters being positively correlated significantly. On geographical analysis using the Cate and Nelson graphical model the critical Mn concentration was found to be 0.125 micrograms/mL on a dry weight basis in nutrient solution, while using regression analysis, it was determined to be 0.118 micrograms/mL.
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