International Journal of Noni Research - Noni Family
International Journal of Noni Research - Noni Family
International Journal of Noni Research - Noni Family
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D.R. Singh et al. Morinda citrifolia L. – An evergreen plant for diversification in commercial horticulture<br />
found to be higher, 5462 and 570.60 ppm, respectively followed by 534.34<br />
ppm <strong>of</strong> calcium in bark and 58.89 ppm in fruits. Magnesium content was<br />
found to be next higher in case <strong>of</strong> fruits (196.64 ppm) and lower in wood<br />
(44.67ppm). While comparing the other micronutrients, Iron content was<br />
higher in wood (378.54 ppm), followed by 146.67 ppm in bark and was the<br />
lowest in leaf (4.47 ppm). Higher content <strong>of</strong> Copper was found in fruit<br />
(27.44 ppm) and the lowest in leaf (2.23ppm).<br />
In case <strong>of</strong> Morinda trimera, the Calcium content was higher (515.44<br />
ppm) in leaves followed by iron (88.88 ppm), magnesium (64.96 ppm) and<br />
lead was maximum (825 ppm) followed by calcium (504.33 ppm), magnesium<br />
(52.09ppm), Iron (44.91 ppm) and the least content <strong>of</strong> copper (14.44<br />
ppm) respectively (Table 4).<br />
Table 4 : Nutrient composition in leaves (ppm)<br />
Species K Ca Mg Fe Cu<br />
Morinda citrifolia 1226 58.89 196.64 42.44 27.44<br />
Morinda trimera 825 504.33 52.09 44.91 14.44<br />
Comparison <strong>of</strong> nutrients in leaves (Morinda citrifolia L.) irrigated with<br />
normal water and sea water revealed that the Calcium content was invariably<br />
higher (5462 ppm) in leaves <strong>of</strong> normal water irrigated plants than in leaves<br />
<strong>of</strong> sea water irrigated plants (539.17 ppm). Magnesium content was higher<br />
(570.60 ppm) in leaves <strong>of</strong> normal water than ppm in sea water leaves<br />
(50.23). Invariably higher content (185.09 ppm) <strong>of</strong> Iron was recorded in<br />
sea water leaves and the lowest content (4.47 ppm) in leaves <strong>of</strong> normal<br />
water. Copper was higher (4.62 ppm) in sea water leaves and only about<br />
2.23 ppm in normal water leaves.<br />
Comparison <strong>of</strong> nutrient content in leaves <strong>of</strong> Morinda citrifolia L. irrigated<br />
with sea water (100% , 75%, 50%, 25% and normal water (control)<br />
revealed that among the nutrients analyzed (Ca, Mg, Fe and Cu), calcium<br />
content was comparatively higher in all treatments than other nutrients.<br />
Higher content <strong>of</strong> calcium was recorded in 75% sea water (539.17 ppm),<br />
followed by 100% sea water (536.67 ppm) and lowest content in 50% sea<br />
water (484.47 ppm). Magnesium content was comparatively higher in 50%<br />
sea water (50.74 ppm) and similar trend was observed in 25% (50.72 ppm),<br />
75% (50.23 ppm) and 100% sea water (49.82 ppm).<br />
Iron content was higher in 50% sea water (271.14 ppm) followed by 75%<br />
(185. 09 ppm), 100% (182.44 ppm) and <strong>of</strong> the lowest in 25% sea water<br />
(83.58 ppm). Copper content was invariably lower among all the nutrients,<br />
with high content in 25% sea water (7.55 ppm), followed by similar trend<br />
Intl. J. <strong>Noni</strong> Res. 2007, 2(1-2) 54
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