Ask The Experts

I just bought 1 pound of Drive 75DF. Can you confirm that a level tablespoon equals 0.367 ounces? Also, for spot spraying, the label recommends 2 tablespoons (1 oz) of MSO per gallon of water. However, 0.55 oz of MSO is specified elsewhere.

Which is correct?

Thanks!
Felix-VA.,

Can I use Pendulum 2g to control stiltgrass or do I have to use Aqua Cap? Can you recommend any granulal if this is the case?

Thanks in advance. - Jonathan, Nuss., PA

Is there anything that can be used to treat Torpedo Grass in a Floratam lawn?

Travis, FL

I have applied Image Nutsedge to a Floratam lawn. Can I apply Basagran to the same lawn and if so do I need to wait between the application of Image before I can apply the Basagran or can I apply immediately? How long in between the Image and Basagran if needed?

Thanks!- John, FL

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

Questions:Does Drive 75 have any effect on crabgrass seeds if sprayed around the time the plant has gone to seed? - Rob, Knott., RI

I applied Drive 75 DF and we received an unexpected thunderstorm w/ rainfall approximately 8 hours afterwards. Should I reapply the product because of the fact that there was not 24 hours between rainfall and application, or should I just let it be and wait to see results? Thanks. - William, OH

I noticed a rather strange thing occurring at a fire ant mound several days after I had applied Amdro® Pro to it. Some of the ants were carrying dead ants out of the mound and placing them in a pile near the mound. Can you explain what was happening?

We use Amdro® Pro on our golf course to routinely control fire ants. I understand that Amdro is a bait and can spoil or go rancid over time. How long can I keep it before it goes bad?

I found some Basagran T/O Pesticide in my garage left by a previous home owner. I need data for this product. It has never been opened and I just want to be safe for environment?

We are located in the northern US and have heard researchers and other superintendents talk about the growth suppression effects of DMI or sterol inhibiting fungicides like Banner® Maxx®, Bayleton® and Eagle®. Should we not be applying them during the summer months when we can get some stress on the bentgrass?

I am in Orlando with a St Augustine lawn. Is there something that will kill the weedy Bermudagrass and crabgrass without permanently damaging my St. Augustine? Thanks! Slats, Orlando, FL

Can Pendulum be used on a new lawn? We planted 80% blue and 20% perenial rye last fall and it has been mowed about 4-5 times now. We have 8 acres now, and will grass in an additional 8 acres in the Fall. -Carol C., IN

Which of the following would best control orchardgrass and foxtail in fine fescue (6” tall) native areas on a golf course: Poast, Poast Plus or Segment? Greg, PA

I want to make sure we get our dollar spot under control this season. Last year on our fairways I felt like we got behind the eight ball very early in the season. When should we begin to treat?

I have dollarweed around several ponds and in other turfgrass areas that stay wet. So far I have not found anything that will effectively control it, yet not damage the turf.

I need to know now many ounces of the pelleted Drive 75 product to put in a 10 gallon sprayer for my turf to kill actively growing crabgrass. The product directions tell me so many ounces for square foot but I do now know how to convert that to ounces per gallon of water. Thanks!

Is drive safe to trees when applied to the ground surface within the drip zone, i.e. under the crown of the tree?

My lawn service spread Drive on my Floratam St. Augustine Lawn to kill crabgrass. I was told that it might make the grass turn yellow for awhile, but that the grass would come back good as new. A few days later the grass started to brown and now is mostly dead. I note that you do not mention St. Augustine grass in your usage description. Is that because it is unsuited for such use? Will Drive kill St. Augustine as i've described? Is the result of such usage intensified by Florida August heat? Ed R., Deland, FL

When using Drive 75 DF herbicide, how many ounces of Drive should be used per 1 gallon of water when using a 2.5 gallon hand sprayer? Also, how many ounces of crop oil should be used per 1 gallon of water? The label tells me to totally wet the weeds -- is this correct?

I have a question about spraying Drive Herbicide on established crabgrass. May it be Beneficial or even recommended to spray Embark P.G.R. with drive to help kill the plants? Just a thought. I know you recommend MSO, but is this an option? Thanks.

Where can I buy Drive Herbicide for use on my torpedo grass or can you recommend something else? We previously bought this at Lesco, but I was just there and they said they only carry the 1 Lb. size which is way more than I need and it is also very expensive. -Carol M., AL

I am wondering if Emerald will have an adverse affect on Chewings fine fescue? I have Dollar Spot on some of my tees and am looking for a new control method to prevent resistance. Any information you can provide would be greatly appreciated.

Fairy ring is a problem on greens in our area; can it be transferred from green to green by our aerator?

I heard someone speak at a conference recently about spraying fungicides on dew-covered turf. They mentioned that some fungicides may not be as effective if applied to wet turf. Monday morning is our normal spray day since the course is closed until 12 noon and many times the turf is still wet when we spray. I really do not have any choice, what can I do?

What should I use for grubs, and when should I apply the application? Gary S., MI

Can Headline fungicide be sprayed on creeping bent grass instead of Insignia fungicide? Thanks for your time. Bo B., TN

I recently read where you should rotate your preemergent herbicide every few years so that you do not have a weed resistance problem. Is there any truth to this? I have been using pendimethalin on lawns since 1986 with excellent results.

How long after spraying basagran for nutsedge control should it take to start seeing some results? - John, FL

What will help me control Japanese stilt grass on lawn turf? Sethoxydim?

How can I control moss on my putting greens?

On our golf course we have numerous areas that contain native grasses. We really like the contrast that they create, but sometimes they can get weedy and in turn minimize their value. What herbicides are available to me for weed control in these areas?

I am a golf course superintendent that has used different formulations and brands of pendimethalin over the past twelve years. We currently use Pendulum® herbicide and my horticulturalist mentioned that we can also use Pendulum for weed control on all of our ornamentals. Is this correct?

We have used Pendulum® 3.3 EC herbicide for several years now with excellent results. On occasion one of my turf specialists will inadvertently spray a painted fence or the vinyl siding on a home with the spray mix. Is there a product that I can use to help remove these stains?

We are a small landscape company in Ilinois close to St. Louis,Mo. We have a commercial account where we do all the maintenance on their landscape and grass areas. In a number of landscape areas we plant flowering annuals. We have been using Dimension on the landscape areas but cannot use it where we plant annual flowers. The summer annuals we use are at least in the 4 inch size up to 1 gal. Can we use Pendulum 2G herbicide? I can give a list of annuals we normally plant if needed.

I put down Pendulum 2G in a garden before it was seeded. I think I messed up because my mom says her stuff isn't coming up like it should. So did I mess up? -Bryan B., TX

Does Pendulum AquaCap in the 15 gal drum need to be agitated prior to use like the EC? I may purchase 7 drums but need to know if the liquid requires stirring or agitation.

Can the preemergent Pendulum and 2, 4-D be mixed for a single application to prevent new and catch existing broadleaf problems? Mark W., CO

The pH of the water I use for spraying is 5.5, which seems a little low to me. Will this affect the performance of fungicides like Insignia® fungicide and Emerald® fungicide?

When we moved in 4 years ago we had to plant sod directly on the clay ground that is here. Now some 4 years later the grass in areas is struggling to thrive. We are looking to fertilize more this year but as the grass is right on clay is there anything we can do to help to help the grass from not drying out as quickly? We have not aeriated the grass yet so perhaps that would help. Just not sure what you can do once the sod is already layed down. I had thought about adding small amounts of black dirt on the grass over time to try to slowly build up the 'good' soil. I look forward to your response. Chad H., MI

What postemergent herbicide, if any, that is registered in California is labeled for control of bermuda grass actively growing in tall fescue turfgrass? Larry M., CA

I have heard turf managers talk about the difference in effectiveness of preemergents formulated as a liquid vs. on a fertilizer carrier. I personally have never experienced this. Is there any truth to it?

Due to it being active for a year and "not impacting nearby vegetation" as per your promotions, we are considering Sahara herbicide for bare ground control along a grass edge. So as to prevent movement beyond that strip, we are considering removing a six inch wide strip of soil alongside a grass edge, spray that strip, and pull the soil back over. We want the deepest depth that will still be effective. How deep should that soil removal be: 1/2 inch to 1 inch, 1 and 1/2 inches to 2 inches, of 2 and 1/2 inches to 3 inches? Will grass roots reach out to that strip and kill the edge grass? If so, how far away from that grass edge should we spray to be safe? Assuming a mixture of grasses, some with rhizome roots, will some reach into that bare ground and die, others not reach out, and those that did not die fill in the space of those that did die? We are planning a thorough, several spot, test first so we should not get in trouble. But we thought we should ask your advice first.

We have shady lawn, and a lot of trees surrounding our property. My question is that our lawn has so much moss or algae above the ground, our grass doesn’t grow well. How do you get rid of the moss and have more grass? Thank you, Mai C., OK

I live on Lake Martin in Alabama. Several years ago we built a seawall and it was backfilled from the lakebed. We had rolled sod (centipede) layed on the new area. Torpedo grass has invaded my lawn and all garden areas. Is there any relief from this nuisance? Any suggestions would be GREATLY APPRECIATED. Eileen W., AL

I just bought a bottle of BASF Drive 75DF and on the bottle it recommends to use this product with methylated seed oil. I have not been able to locate this seed oil but have been advised to use Lesco's Hawkeye Nonionic Organosilicone Surfactant with Masking Fragrance. Would this product work or could you advise where I could locate and purchase an acceptable methylated seed oil (online or in NJ)? -Jacques V., NJ

Weedmaster Herbicide can it be applied to Zoysia grass to control weeds and not harm the grass. If so what is the mix ratio to water? Gus D., FL

What is Drive XLR8? Jerry D., MN

Do you know of a product that will kill or slow the growth of over-seeded perennial rye grass in zoysia grass? Thank you. Ben C., AL