Therefore, two means of the root's demise occurs, 1 no oxygen, 2 and.
Feb 05, You need to determine why the leaves are falling off. The 2 main reasons are root rot (from too much water/compacted soil) and the cold root/sunlight combination mentioned earlier.
When was the last change of potting soil?
There are two abscission zones for citrus leaves, one at the bottom of the petiole leaf stem for normal leaf drop, as in the case of the discarding of older leaves, and another at the bottom of the leaf blade when abscission is caused by certain types of stress.
If it has been a while ( yrs) I would suggest a repotting. There are other causes, as Junglekeeper mentioned low humidity. Jul 02, An orange tree (Citrus sinensis) can lose its leaves for a number of reasons, few of which mean the tree is dead.
Diseases, pests and environmental factors can cause leaf drop that won't. Jul 17, It is not uncommon for citrus trees to naturally drop a small number of leaves especially in winter. Where a large proportion of leaves fall it is a sign that the plant is under stress and there are a number of possible causes. Low light levels area common reason for leaf drop. Citrus trees/plants need to dry out a bit before watering. If you keep your tree moist all the time its most likely suffering from root rot.
This will cause the leaves to yellow and fall off because its not able to breathe.
In a sense its drowning. The soil must be well draining to allow air movement around the roots.