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skhan,I don't know.Has weed-and-feed type fertilizer been used within 40 feet of the tree--- his yard or the neighbor's? Has 2,4-D or specialty herbicides been sprayed upwind of the tree?
Quote from: natsgarden123 on May 01, 2012, 10:55:23 PMMay be a dumb question, but is there any benefit ( or downside) to planting while its raining a lot? The upside is you won't have to irrigate as much during the rainy season to get your new trees established. This may save you time. The downside is that by not irrigating as often, you won't see your trees as often and be able to provide updates on the forum as often.
May be a dumb question, but is there any benefit ( or downside) to planting while its raining a lot?
Help help I need help HoneyKissStarted at the bottom and now it's working its way to the top
Ammoun, I am not sure what that is. Maybe your guess is right, if the black spots do not rub off.Bovine, Black Sooty Mold, and under the leaves you will probably find mango scale. Spray undersides of leaves with an insecticide.Eddi, follow directions on labels for amount per gallon, time of day and temperature during spraying time. Oils only work during slow-drying conditions.
Bovine,Mango scale and masses of their eggs and crawlers.
dross,First three pictures:Fungus yes; Powdery-Mildew is unlikely in all this rain; doesn't look like Anthracnose. Perhaps it is Cylindrocladium, but there are also other fungi that do circular rings.Last two Pictures:Salt burn is unlikely in all this rain, unless you put down a high amount of quick-release fertilizer. It looks like Potassium deficiency with fungus moving in on the weakness.I am not qualified as a plant pathologist.
Looks like fungus starting to show up on our Carrie, Edward and Coconut Cream. Powdery mildew, Anthracnose, something else? SE Florida zone 10a.I sprayed potassium bicarbonate (Green Cure) about a week ago at first sign of disease.Next will be copper soap and micronized sulfur.
Quote from: dross99_si on October 27, 2020, 08:54:10 AMLooks like fungus starting to show up on our Carrie, Edward and Coconut Cream. Powdery mildew, Anthracnose, something else? SE Florida zone 10a.I sprayed potassium bicarbonate (Green Cure) about a week ago at first sign of disease.Next will be copper soap and micronized sulfur.In the first two pictures, I have seen that look on Coco Creams grown in pots with poor airflow at nurseries.