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Joined: Wed Jun 04, 2008 4:54 pm
Location: E. Washington

Unwanted mosaic pattern on Raspberries?

My parents had an unknown issue last yr with their raspberries that caused some of them to get a mosaic affect. They would like to avoid the same thing this yr. Any ideas as to the cause/solution?

The background is as follows:

1) These are plants that were bought approx 5yrs ago and produce larger than avg sized berries (approx .75"-1" in length).

2) The symptoms were white spots on some of the dimples that are normally the standard red color.

3) Approximately 10% of the berry crop was affected. The affected berries had (on average) 10% coverage with these white spots. The spots were completely random (sometimes centralized in a small section on one side of the berry and sometimes all around the berry).

4) In the past they had seen this occur but only on 1-3% of the crop. The question now is weather it's something that will get worse this yr regardless or if it's a symptom of some sort of nutrient deficiency that they could correct.

Zone 6
Fighting for my plants in in the midst of deer/squirrel/turkey country

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