Bacterial blast Identification tip: Infection starts as black lesions in the.

Apr 06, The sticky substance is honeydew or excrement from a sap-sucking pest such as aphid or scale. The infestation is a problem and should be dealt with but it is likely not the cause of the leaf my indoor orange tree is dropping leaves fruit drop.

Fine webbing in the foliage would suggest the presence of spider mites.

What condition were the leaves in when they were shed? Jul 17, Indoors a dry atmosphere can result in leaf drop, misting with tepid water and standing the pot in a saucer containing gravel and water will increase the humidity around the plant.

Ensure the pot is not standing in water as this will cause the roots to rot. Citrus trees should never be stood near a radiator or other heat source. Mar 10, Why do apparently healthy looking citrus trees suddenly start deteriorating in a matter of days, with leaves curling then dropping, branches dying back, eventually resulting in the loss of the tree? There are several causes, often caused by common gardening mistakes, which are easy to avoid.

Curling Citrus Leaves as An Indicator of Root ProblemsEstimated Reading Time: 8 mins. Dec 14, Overwatering an orange tree can cause the leaves to turn pale green or yellowish.

This discoloration is due to the roots being unable to distribute nutrients because they are waterlogged, or. An Umbrella Plant dropping leaves is normally a sign of stress due to improper care. Over or underwatering, low light, temperature extremes, repotting, pests, diseases, under/overfeeding, low humidity, or a new location can cause dropping leaves.

Old leaves will also drop naturally. Overview: Umbrella Plants (Schefflera Arboricola) And Leaf Loss.