Brookstone Golf & Country ClubBrookstone Golf & Country Club

Greens Committee MeetingGreens Committee Meeting

April 22, 2014April 22, 2014

AgendaAgenda

WelcomeWelcome

Discussion = Contamination Discussion = Contamination “YELLOW DOG”“YELLOW DOG” Where does the contamination come from?Where does the contamination come from? Management of contamination and removalManagement of contamination and removal Brookstone Golf & Country Club Contamination RemovalBrookstone Golf & Country Club Contamination Removal USGA Pictures of Contamination in Bermuda Grass Putting SurfacesUSGA Pictures of Contamination in Bermuda Grass Putting Surfaces Bunker RenovationBunker Renovation Cart Path RenovationCart Path Renovation Tree RemovalTree Removal

Where does the contamination come from?Where does the contamination come from?(USGA)(USGA)

Origin of off-types (contamination/mutation) in bermudagrass greensOrigin of off-types (contamination/mutation) in bermudagrass greens 1. contamination of the planting stock (sod farm)1. contamination of the planting stock (sod farm) 2. on-site introduction of seeds or stems 2. on-site introduction of seeds or stems 3. genetic mutations 3. genetic mutations There are DNA markers for TifEagle, Champion and Mini-Verde There are DNA markers for TifEagle, Champion and Mini-Verde There are There are NONO DNADNA markers for off-types (contamination/mutation) markers for off-types (contamination/mutation) Impossible to determine the origin of off-types through genetic testingImpossible to determine the origin of off-types through genetic testing In the transition zone, no-till re-grassing most often involves conversion of In the transition zone, no-till re-grassing most often involves conversion of

bentgrass to an ultradwarf bermudagrass, and redevelopment of bentgrass bentgrass to an ultradwarf bermudagrass, and redevelopment of bentgrass contamination has not been a problem. contamination has not been a problem.

However, in the deep South/Transition Zone, conversions to an ultradwarf However, in the deep South/Transition Zone, conversions to an ultradwarf bermudagrass most often reveals significant off-type contamination quickly bermudagrass most often reveals significant off-type contamination quickly following the renovation.following the renovation.

Turfgass Climate AdaptionTurfgass Climate Adaption

Management of Contamination and RemovalManagement of Contamination and Removal(USGA Recommendations)(USGA Recommendations)

The Best Process for Re-grassingThe Best Process for Re-grassing 1. Completely remove the existing turf and rootzone mixture1. Completely remove the existing turf and rootzone mixture 2. Followed by installation of new rootzone mix 2. Followed by installation of new rootzone mix 3. Soil sterilization with methyl bromide (fumigation) 3. Soil sterilization with methyl bromide (fumigation)

Complete renovation is costly Complete renovation is costly (ESTIMATED COST $800,000)(ESTIMATED COST $800,000) and and NOT 100%NOT 100%

Management Practices for NON-RENOVATIONManagement Practices for NON-RENOVATION 1. Closely monitor the putting greens and remove off-types as they become visible 1. Closely monitor the putting greens and remove off-types as they become visible 2. Large & clean on-site nursery green is necessary to replace spot infestations2. Large & clean on-site nursery green is necessary to replace spot infestations 3. Spraying patches with herbicides prior to removal may improve control, but may 3. Spraying patches with herbicides prior to removal may improve control, but may

also cause more problems with golfers, as dead off-type patches are much more also cause more problems with golfers, as dead off-type patches are much more conspicuous. conspicuous.

4. Plugging out contaminants is an easier task when patches are small in size and 4. Plugging out contaminants is an easier task when patches are small in size and number. number.

5. Putting greens with numerous infestations are impossible to remove and complete 5. Putting greens with numerous infestations are impossible to remove and complete regrassing may be the only option for redevelopment of a monostand turf cover.regrassing may be the only option for redevelopment of a monostand turf cover.

Brookstone Golf & Country Club Brookstone Golf & Country Club Contamination RemovalContamination Removal

Brookstone Golf & Country Club Brookstone Golf & Country Club Contamination RemovalContamination Removal

Brookstone Golf & Country Club Brookstone Golf & Country Club Contamination RemovalContamination Removal

Brookstone Golf & Country Club Brookstone Golf & Country Club Contamination RemovalContamination Removal

USGA Contamination PicturesUSGA Contamination Pictures

Bunker Renovation - ProcessBunker Renovation - Process

Before & After Bunker RenovationBefore & After Bunker Renovation

Cart Path RenovationCart Path Renovation

Removal of Broken Concrete and Install NewRemoval of Broken Concrete and Install New Removal of Asphalt and Install NewRemoval of Asphalt and Install New Overlay 2 inch of Cart PathOverlay 2 inch of Cart Path Plan to start Early to Mid MayPlan to start Early to Mid May

Tree RemovalTree Removal

#4 - Tunnel#4 - Tunnel #5 – Behind green right side#5 – Behind green right side #6 – Tee box#6 – Tee box #7 – Tee box#7 – Tee box #11 - Across creek adjacent to green#11 - Across creek adjacent to green OngoingOngoing

ConclusionConclusion

Review of PresentationReview of Presentation Discussion ForumDiscussion Forum Future Discussion Items for Next MeetingFuture Discussion Items for Next Meeting

Next Greens Committee MeetingNext Greens Committee Meeting

May 6, 2014 (TUESDAY 6:00 PM)May 6, 2014 (TUESDAY 6:00 PM)Golf Course Maintenance FacilityGolf Course Maintenance Facility

THANK YOU!THANK YOU!