Specticle G Herbicide is a selective preemergent herbicide that is to be used on established warm season turfgrasses such as Buffalo and Bermuda (not Tall Fescue) prior to weed germination. It is labeled for mouse barley but will not kill existing weeds.
Specticle G Herbicide is no longer available. However, if you already have this product, the product label indicates that it is safe for use on bahiagrass (paspalum notatum), but it is not safe for use on seashore paspalum (paspalum vaginatum).
Specticle G Herbicide is not labeled for use on bamboo and there is no pre-emergent we are aware of for it.
As for the spreader setting, your specific model spreader is not listed on the label. Please take a moment to view our video on how to calibrate your spreader here to find out the correct setting
Yes, Specticle G Herbicide is labeled to prevent dove weed from germinating when applied before it germinates as directed on the product label.