Eichornia variegated (Eichornia diversifolia) – aquarium plant Pontederic family (Pontederiaceae).
Natural habitat eichornia variegated are the reservoirs of South America. This plant is completely unpretentious, quite simply multiplies, for which it has become widespread among aquarists.
Eichornia variegated rooted in the ground and grows only in the water column. The plant has a long, straight stalk with stemless leaves arranged alternately.
Have eichornia the sheet plate has a linear shape, can be up to 6 cm in length, up to 0.4 cm in width. The sheet is painted whitish-green in color and the top in light green, then black-blue. Eichornia blue flowers.
Plant has an underdeveloped root system. Under favorable conditions, eichornia in height can reach 60 cm.
Contain eichornia possible in moderately warm or tropical aquarium different volume. The plant is best planted in the background of the aquarium.
The water hardness in the aquarium should be up to 6 °, and with respect to the pH in the range of 6.0-7.0. The optimum water temperature is 22-28 ° C, as with its decrease, the eichorn stops growing. Recommended to have a powerful filtering and it is necessary to replace about 25% of the volume of water weekly.
Coarse sand is used as a soil, you can take small pebbles with a small amount of silt, the layer should be 3-5 cm thick. New soil will not require additional mineral dressing, since there is enough natural silting available. Aquarium lighting, in which it grows eichornia variegated, should be moderate or strong.
With artificial lighting fluorescent lamps are used (power 0.5-0.7 W / l). In case of insufficient lighting, the plant is drawn out and its color turns pale.
A light day should have a duration of over 12 hours.
Breeding eichornia variegated carried out by grafting. In addition, each stalk must have about 10 leaves. Such a cutting is either simply left to float in water, or planted in the ground, while the lower pair of leaves must be buried.
When the tip of the stalk of eichornia reaches the surface of the water in aquarium, its pinch and put in the ground. The exposed lower parts of the stem of the plant are removed, and those with preserved leaves are left in the ground.