ISHS Acta Horticulturae 331: WOCMAP I - Medicinal and Aromatic Plants Conference: part 3 of 4
EFFECTS OF THE RATIOS OF K TO CA IN THE NUTRIENT SOLUTION ON THE GROWTH, NUTRIENT UPTAKE, ESSENTIAL OIL CONTENT AND COMPOSITION OF BASIL |
| Author: | T. Takano |
| Abstract:
The effect of the K-Ca ratios in the nutrient solution was studied on the basil (Ocimum basilicum L.) production in hydroponics. The plant growth increased with the reduction in K-Ca ratios in nutrient solution. Discussions were given as to the nutrient uptake in relation to K-Ca variations. The essential oil content in plant grown at 40 me 1-1 was higher than that at 20 me 1-1 of total nutrient concentration. Considering the data of GC analysis and point scores in an organoleptic test, it seems that the amount of methyl chavicol and eugenol reflects the subtle flavour and sweet odor characteristics of basil leaves. The optimal ratio of K to Ca in the nutrient solution at 40 me 1-1 is considered to be at the 50-50 or 25–75 for the raw material production with high yield of essential oils having methyl chavicol and eugenol. Conclusively, hydroponic culture in the NFT system will be commercially adopt for growing basil plants. | |
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