Macrorrhiza Black Stem Alocasias enjoy well drained but moist, rich organic mix. Remember try to stay away from wet, mucky or dry, sandy soils. To help establish your new Macrorrhiza Black Stem Alocasia, fertilize sparingly at least 6 inches away from the base, tri-annually with a slow time released product.
In this manner, can you save a plant with black stem?
If your succulent has a black stem or black spots, you’ll need to do a little surgery to save your plant. … Just cut off the top of your plant, trim away any black spots, give the cutting three to five days to dry out, then propagate it in new soil.
Also know, is alocasia black stem rare?
Black stems and veins adorn this extraordinary form of Alocasia Macrorrhiza. This very rare and unusual elephant ear is quite different from the typical. The HUGE thick sculpted forest green leaves with are held upright on dramatically rigid black stems. Reaching a mature height of 4 -5 ft.
Does Alocasia need sunlight?
Alocasias need bright, but indirect light. … Direct sun will cause the leaves to burn, so avoid placing your Alocasia in a spot where it’ll be exposed to direct sun for a prolonged period. This plant is not tolerant of lower light conditions though, so make sure the space you’re placing yours in feels very bright.
Alocasia thrives in a moist environment and needs plenty of water during active growth. This is a plant that definitely needs a pebble tray beneath it. … Your Alocasia indoor planting should be well lit with bright, but diffuse light. Direct sunlight will burn the leaves.
Black stem rot is favored by wet, poorly drained soil. The fungus attacks the stems at the soil level, then spreads upward. The stems decay and the foliage wilts, shrivels, and eventually dies. Black stem rot is spread by contaminated soil, transplants, and tools.
Stem Rot Caused by Fungi and Parasites
Symptoms include spots on the lower part of the stem, in a wide range of colors: gray, brown, black, or vibrant red. The disease leads to root decay, wilting, dieback, and weakened plants.
The roots of a plant absorb air, water and nutrients to support the stems and leaves above. Excessive watering cuts off the air and the roots begin to suffocate, rot and eventually die. … The most common signs of overwatering are wilting leaves and a pot that feels heavy due to soggy soil.
First things first:
- Allow soil to dry out. If you just noticed that there’s some standing water or leaf change and you aren’t sure if it’s quite yet root rot, allow the soil to air out. …
- Remove all browning leaves. …
- Remove old soil. …
- Cut off dead and decaying roots. …
- Repot with new soil.
Allow excessively wet soils to dry. Always avoid throwing soil to stems when cultivating and avoid crowding plants in seedbeds or other areas. When transplanting or repotting, place plants at the same soil depth. Do not mulch heavily with partially decomposed organic matter.
Treating Root and Stem Rot
Remove the affected plants from the soil, and gently wash the roots under running water. Wash away as much soil as possible, and don’t worry about any affected roots that fall off in the process. Try and be as gentle with the plant as possible while you’re treating them, though.