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Greg Martin Grape Vine Disease Part 3
by Greg Martin, click here for bio

Program: Fruit Grower Report
Date: June 21, 2010

Grape Vine Disease Part 3. I’m Greg Martin with today’s Fruit Grower Report.

Some grape vine disease is not subject to pests spreading the disease like so many others and according to researcher Naidu Rayapati with WSU’s IAREC, the best way to eliminate the problem is to simply remove the plant and replace it with a clean plant.

RAYAPATI: So it’s a very simple and effective means of eradication of fan leaf disease. We are working with certified nurseries in Washington State. Certified nurseries maintain mother blocks containing virus tested planting materials.

If you wonder about having a virus Rayapati says you should take a good look at your plants.

RAYAPATI: Visually we can detect either leaf roll or fan leaf symptoms in the vineyard but again we need to keep in mind that the symptom expression is influenced by cultivar, by environmental factors and the age of the planting material.

Discovering that these virus’ are not transferred by any vector but by people taking infected cutting from other areas allows vine grape growers to clean house.

RAYAPATI: In fact for all virus diseases whether it is leaf roll, fan leaf or any other virus disease accessing planting material through certified nurseries would be a better way of ensuring sustainable growth of a vineyard.

That’s today’s Fruit Grower Report. I’m Greg Martin on the Ag Information Network.

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