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Disease Update

I was made aware of Doug Soldat's annual tweet showing the difference of disease on bentgrass with and without potassium fertilizer on one of Micah Wood's latest blog posts . The difference is drastic and the picture still impresses years later. Micah and Doug also just did an hour long video on the subject. For that past few years I have struggled controlling the disease at my new course. Nothing we did would control the fusarium. I sent off samples to labs and tried every chemical control available. Nothing worked as good as I remembered it working at Pender. This year (knock on wood. I'm not superstitious just a little stitious) the disease has been virtually non-existent despite the various disease models being maxed out for m.nivale. Needless to say it has been very Fusariummy this winter ( you're supposed to drink every time I type it) but we have been able to manage the disease to very manageable levels. Levels that are less than ball marks and insect damage co...

Lets try this organic thing again

When I told a local superintendent my intentions to try Civitas on my greens again he threatened to kick me in the nuts. Here's why and please note that this post does not contain any paid promotions although I am probably broke enough now to finally start selling out. Hey, I also started a vlog, check it out here . Back in 2012 I started using Civitas on my greens. It worked amazing. Back then only my 8th green was dominated by bentgrass and I went an entire year without any traditional pesticides on that green. Just mineral oil. The only problem was that on a few of my shadier greens they turned to dirt and for the first time in my career I was forced to deal with winter kill. Winter Kill of 2012 caused by a number of factors that mineral oil certainly didn't help. Shade much? It turns out that when you apply oil to your greens every few weeks while the turf isn't growing and combine that with almost daily rolling of the greens that you will get dead grass. Lesson leaned?...

Spot Spraying and Counting Disease.

Spot spraying has been a big part of my IPM program for the last few years. I hypothesized that winter diseases like fusarium on the coast aren't really that bad, we just make them worse by spreading them around . In order to capitalize on this theory I have been spot spraying my greens with traditional fungicides to attempt to limit that spread. During the time that I have been doing this I have never had such success managing my nemesis, fusarium . On the surface, spot spraying seems like a pretty simple and basic tool. See disease, spray it. The problem is that it takes time and if it doesn't help you stretch the intervals that you need to apply a broadcast fungicide spray, then there is little point in doing it. Where spot spraying really becomes a powerful tool is when you count and record the number of disease spots that you treat each day you spot spray. Counting and recording this data doesn't take any additional effort unless you find counting difficult. It does re...

Disease Update, You win some you lose some (mostly winning)

On the West Coast of Canada we are now well into the time of year where fusarium is the dominant disease on turf. Reflecting on the summer of 2016 I can't help but feel somewhat defeated by turf disease. I required a traditional fungicide for dollar spot for the first time in 4 years on my greens. While this has left me feeling down about my disease management plan this year a closer reflection shows that while I lost the battle to dollar spot, I won the battle with every other turf disease on my course this summer. Looking back at the data, the battles I have had in previous years, what other courses in my area were dealing with I can feel really good about my disease management this past year. To recap the requirement of traditional fungicide on my course this year so far is rather easy. The last fungicide application of the winter was on Feb 22. From that time I was able to keep disease levels at acceptable levels until Sept 4 when I needed to take action against dollar spot. Th...

Diseasey as hell out here. Summer Disease update.

"Summertime and the livin' is easy" We are now half-way through the summer and have still not required a broadcast traditional fungicide application on greens. To say it has been easy would be a lie. It has been a roller coaster of disease activity but for the most part I have been able to keep everything in check and the golfers here have been enjoying some of the best conditions in years. The weather this summer has been very diseasey. What I mean by this is lots of cool and wet followed by hot and humid. Last year it was hot and dry which made it relatively easy to manage disease. This year I have seen it all. Dollar spot, brown patch, fusarium, and even thatch collapse! Even crazier is that I have seen it all at the same time. Dollar spot, fusarium, and brown patch in one photo on tees. This is "diseasey" For the past 4 years I thought I had dollar spot beat. That was until this year when I started seeing dollar spot on my greens. It came on very slow and I ...