“Even though most are not labeled as K fertilizer, it’s there”

I recently received this inquiry: “What is your approach to K fertility with regards to phosphite products? Even though most are not labeled as K fertilizer, it’s there.” That’s correct for products that include potassium phosphite. I’m not sure how all phosphite products are labeled. Here’s how I answered: “I would count the K in… Continue reading “Even though most are not labeled as K fertilizer, it’s there”

Dog’s footprint and grass susceptibility to this disease

I don’t like turf diseases. If there is any fun in them, for me, it lies in only two things. First, is it a particularly well-named disease? Second, how awful are the symptoms? I enjoy learning disease names and finding those that have the most interesting names. Nothing against brown patch and yellow patch, but… Continue reading Dog’s footprint and grass susceptibility to this disease

Water quality and pesticide performance

This is a useful reference from Purdue Extension on water that goes into the spray tank. From the guide: "Water often comprises ninety-five percent (or more) of the spray solution. What affect might it have on product performance? Research clearly shows that the quality of water used for spraying can affect how pesticides perform. Its… Continue reading Water quality and pesticide performance

Every spring when the snow melts …

I look forward to some photos from Doug Soldat. For the past three years, he’s had some fascinating photos to share of snow mold on creeping bentgrass. And each year, there was more snow mold where potassium fertilizer was applied, and less snow mold where potassium wasn’t applied. Spring of 2014 In the spring of… Continue reading Every spring when the snow melts …

‘Tis the season

Autumn is when one can find one of my favorite turf diseases — elephant's footprint. Or at least this is my favorite name for a turf disease. It is found most often on unmown Zoysia japonica. Al Bancroft shared a photo last week of what looks like early development of elephant's footprint. Similar locations have… Continue reading ‘Tis the season

Frankly Speaking about turfgrass nutrition, the MLSN guidelines, & the GSS on TurfNet RADIO

Check Out Science Podcasts at Blog Talk Radio with TurfNet RADIO on BlogTalkRadio I had a chance to talk with Frank Rossi tonight on TurfNet RADIO. We discussed turfgrass nutrition, soil testing, the MLSN guidelines, the Global Soil Survey (GSS), and not much else. But Dr. Rossi has a way of asking interesting questions, and… Continue reading Frankly Speaking about turfgrass nutrition, the MLSN guidelines, & the GSS on TurfNet RADIO

“This publication is intended for professional turfgrass managers who use fungicides as part of an overall disease-control program”

"This publication" is Chemical Control of Turfgrass Diseases 2015 by Paul Vincelli and Gregg Munshaw. A wealth of information about diseases is packed into only 24 pages. And it is not just about chemical control. Common turfgrass diseases are described, the environment and season in which the disease is most likely to occur are explained,… Continue reading “This publication is intended for professional turfgrass managers who use fungicides as part of an overall disease-control program”