Pests and Diseases forum: Photinia desease help.

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Richmond VA
cascade23
Jul 14, 2017 8:41 AM CST
Just got a positive id on this plant name on another thread.

Looks like I have a Photinia hedge mixed with Holly plants and maybe japonicum that has an ongoing disease on Photinia for as long as at least 7 years. It is present on maybe half of the foliage of each shrub,. It never looked like the whole plant was attacked so I just was not paying too much attention to it. This year I trimmed half of the hedge significantly to get it into a more manageable size. I removed most of the branches to start forming shrubs to about 6ft tall and 3-4ft of depth. The Holly shrubs show a significant new growth after 3 months but the Photinia plants have problem producing new healthy leaves. They get a lot of brown spots as the leaves on the untrimmed plants and they curl up and eventually turn dry and dead. I also discovered some mites on the youngest leaves.

Is it a classic example of Leaf Spot Disease and some mites?

Any advice on what is the most reasonable course of action? Start replacing with hollies or japonicum as photinias fall out?

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