Turf Tips Archives
Large Crabgrass
Large Crabgrass Biology: Large crabgrass ( Digitaria sanguinalis ), smooth crabgrass (Digitaria ischaemum), and to a lesser extent southern crabgrass (Digitaria ciliaris) are all species found in the Midwest that are collectively referred to as crabgrass. Large crabgrass is probably the most common of these in Indiana lawns. Combined, these crabgrass species are […]
Turf Notes: Disease and Fungicide Update
Early Season Dollar Spot Sprays The pathogen must be active in order for the mycelium to absorb a fungicide. We know that Sclerotinia homoeocarpa grows when temperatures remain above 55F in the presence of ample moisture. If such conditions prevail in March (as they did in 2012), then early season sprays may help reduce dollar […]
A Much Different Start to the Year
A year ago we had record high temperatures and we were scrambling to apply preemergence herbicides for crabgrass control. On March 22 last year, I had crabgrass germinating in my garden! However, this year I can tell you that crabgrass is a long ways off from germinating today. The chart below shows the dramatic difference […]
Use Growing Degree Days to Better Time Your Applications
Monitoring growing degree days can be an effective way to better time applications and increase your weed control. A helpful website (www.gddtracker.net) is available to help you monitor growing degree days for timing herbicide and plant growth regulator applications. What can this website help me with? Need help determining when to apply your preemergence herbicide? […]
Prostrate Knotweed
This post kicks off a new series that we will be posting via turf tips called, “Weed of the Month”. In each post we’ll discuss a timely weed (one that you’re seeing at that particular time of year) and we will highlight its biology, identification, and control. February’s weed of the month is […]
Survey – cool-season putting greens
Calling all cool-season putting green managers!!! Real-world feedback needed…. We are following up on an article we published in Golf Course Management Magazine last fall titled “An economic comparison of creeping bentgrass and annual bluegrass maintenance practices”. We are seeking some “real-world” feedback regarding current grass species, grass species preferences and common maintenance practices. […]
Weather Looks Good For Indiana Green Expo, Don’t Miss It!
The weather looks great this week for a winter conference. Since it doesn’t look like there will be any snow to push or shovel, we invite you to come to the Indiana Green Expo. Don’t miss Indiana’s most comprehensive green industry conference and trade show! January 9-11, 2013 • Indiana Convention Center *** Registration available […]
2013 Turf Weed Control for Professionals, Now Available
The revised edition of Turfgrass Weed Control for Professionals is now available. The 96 page publication includes content on: Turfgrass Culture Weed Types Weed Life Cycles Developing a Weed Control Program Indicator Weeds Herbicide Information (use, nomenclature, classification, mode of action, movement, resistance, etc.) Control of Tough Weeds Frequently Asked Questions and Answers About […]
Tree Problems? We Have an App for That!
After two years of development, we have released a new smart phone app that will help you diagnose and find recommendations to manage over 175 tree problems on over 60 kinds of trees. We call it the Purdue Tree Doctor. It will be like having our entire library of photos and recommendations in your pocket […]
Newly added Forestry and Natural Resources/Extension Publications
I thought I would share these new publications from our colleagues on campus in Forestry and Natural Resources. FNR-FAQ-11 Why Is My Tree Dying? https://mdc.itap.purdue.edu/item.asp?item_number=FNR-FAQ-11-W This publication explains how trees can be injured and die from damage suffered during construction projects. FNR-473-W Tree Appraisal https://mdc.itap.purdue.edu/item.asp?item_number=FNR-473-W This publication provides an explanation of the tree appraisal process, […]
Indiana Green Expo: January 9-11, 2013
Indiana Green Expo – January 9 – 11, 2013 On-line Registration now available! Register by December 21 and save (Rates after December 21 will increase: members: $130 | nonmembers: $170) View full PDF brochure and other Expo details at www.IndianaGreenExpo.com Wednesday, January 9, 2013 9:00 – 12:00 Workshop A: Hardscapes 101 9:00 – […]
Turf Herbicide Workshops – Space Still Avaiable
Join us at one of our three great workshops that are being held in December! Turf Herbicide Workshop – registration deadline: Wednesday, November 28, 2012 (CCH’s requested: 7 – category 3a, 7 – category 3b, 7 – category 6, 4 – RT license) December 4, 2012: Caribbean Cove Conference Center, Indianapolis, Indiana 3850 DePauw Boulevard […]
MRTF Turf and Ornamental Seminar – November 14-15
Turf and Ornamental Seminar November 14-15, 2012 Daniel Turf Center West Lafayette, Indiana Registration Form (PDF Format) Register on-line at http://mrtf.org/php/Registration.php?pid=5487 Registration Deadline: November 2, 2012 CCH’s: Cat. 2 – 5 CCH’s; Cat. 3a – 8 CCH’s; Cat. 3b – 9 CCH’s; Cat. 6 – 3 CCH’s; RT – 4 CCH’s […]
When a GPS Unit Malfunctions
This photo was submitted from a golf course where it was found tunneling into a green. It is obvious that it is creating some damage but the astute manager was able to find and photograph the beetle in association with the damage. This combination always makes identification and control recommendations much easier. The insect was […]
GCSAA awards scholarships to essay contest winners
9/17/2012 http://www.gcsaa.org/_common/templates/EIFGNewsReleaseLayout.aspx?id=6078&LangType=1033 Turfgrass students Konow, Law and Huttie selected GCSAA awards scholarships to essay contest winners Christopher Konow, Quincy Law, and Nicholas Huttie are winners of the 2012 Golf Course Superintendents Association of America (GCSAA) Student Essay Contest. Open to GCSAA members who are undergraduate or graduate students pursuing degrees in turfgrass science, agronomy or […]
Gray Leaf Spot
Recent weather (remnants of hurricane Isaac) raised concerns about gray leaf spot in the Ohio Valley and the lower Midwest in general. You may recall that the pathogen does not overwinter efficiently in the Midwest, and inoculum (airborne spores) from storms that originate in the South is significant. Gray leaf spot is a foliar disease […]
Watering Bans Making Turf Establishment Tough in Some Locations
Now is the time to be seeding a lawn, but in some communities water restrictions and bans are preventing homeowners and lawn care professionals from renovating/reseeding damaged lawns following this summer’s drought. August 15 to September 15 is considered to be the optimum time to seed cool-season lawns in Indiana. This optimum window is slightly […]
Read the Label! A Hard Lesson Learned
I was recently forwarded a video from one of our Extension educators in Vanderburgh County, Larry Caplan, that I thought I would share with you. The video chronicles the “misadventures” of a homeowner who simply wanted to control the weeds in his lawn. It should be a reminder to all of us to read the […]