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Old 06-27-2014, 01:06 AM
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DA Quality Lawn & YS DA Quality Lawn & YS is offline
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Location: Rochester, MN
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Originally Posted by Skipster View Post
Sounds to me like you used the wrong surfactant. The ProSedge label calls for only non-ionic surfactant containing no less than 80% active material. Using MSO can injure turf.

Although the Celsius label says MSO is acceptable for use, Iíve seen phyto from that combination, too.

I think the lesson is pretty clear here: donít use MSO unless the label specifically calls for it. If youíre not spraying Drive, you probably donít need MSO.

The discolored spots should recover, but donít fertilize them Ė that will just make it worse. Give them enough water so they wonít dry out and youíll see improvement in a couple of weeks.
I don't even use MSO with Drive XLR8, only a non ionic, and it works to perfection. When in doubt, be conservative with your adjuvants.
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