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St. Augustine Decline

St. Augustine Decline is caused by the panicum mosaic virus in common St. Augustine grass that causes a yellow mottling. The grass slowly dies away. The answer is to replace turf with a healthier grass. The best St. Augustine at the moment is “Raleigh.” Switching to the organic program will eliminate the problem in most cases. Hydrogen peroxide at 2% has eliminated mosaic virus in squash plantings and will help on this grass disease.


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