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Ask The Expert Applied Image to kill Nutsedge on St. Augustine grass. It seems to have stunted the growth of the St. Augustine. We weren't expecting this? - Judy D., TX
Thank you for taking the time to write to BASF about your question on the use of Image to your St. Augustine grass.
The growth affect you noted on the turfgrass can occur however it is known as a 'transient' affect. By this I mean depending on the overall growth of your turfgrass- the fertility, the water and the mowing height you normally manage your turfgrass the growth regulator effects of the herbicide can be slight or more pronounced. Also, these management variables then affect the length of time this affect is visible. St. Augustinegrass should be a dark green turfgrass that is mowed 2.5- 4 inches in height. If you used Image as a spot spray you would then see some growth reduction areas in the yard that may make your turf look slightly uneven. Under normal rainfall and/or irrigation and if the turf has been fertilized lately the growth will rebound within 1-2 weeks and this difference will not be noticed. Please let me know if you have any additional questions.
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