what's new in turfgrass fungicides? new products, premixes ... · what’s new in turfgrass...
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What’s New in Turfgrass Fungicides?
New Products, Premixes, and
Formulations
(2008-2013)
Bruce B. Clarke, Ph.D.
Extension Specialist in Turfgrass Pathology
School of Environmental and Biological Sciences
Rutgers University
New Turfgrass Fungicides
Released in the Past 5 Yrs
I. New Active Ingredients - 10
II. New Premixes - 11
III. New Formulations of Existing Products - 4
IV. New Generic Releases - > 15
New Turfgrass Fungicides
Trade Name Common Name FRAC #
Appear phosphite 33
Civitas + Harmonizer mineral oil + pigment P
Daconil Action chloro+ acibenzolar M5 + P1
Secure fluazinam 29
Segway cyazofamid 21Trinity triticonazole 3Triton triticonazole 3Torque tebuconazole 3
Tourney metconazole 3
Velista penthiopyrad 7
Xzemplar fluxapyroxad 7
New Turfgrass Fungicides
Trade Name Common Name FRAC #
Appear phosphite 33
Civitas + Harmonizer mineral oil + pigment P
Daconil Action chloro+ acibenzolar M5 + P1
Secure fluazinam 29
Segway cyazofamid 21Trinity triticonazole 3Triton triticonazole 3Torque tebuconazole 3
Tourney metconazole 3
Velista penthiopyrad 7
Xzemplar fluxapyroxad 7
Appear™ Fungicide
Anthracnose
Pythium
Basic Application GuidelinesRate: 3 to 8 fl oz per 1000 ft², Application interval: 7to 14 daysUsed in programs to provide disease control and reduce plant stress
Anthracnose Trial 2011 : Rutgers UniversityAnnual Bluegrass (Greens Height)
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8-Jul 15-Jul 22-Jul 29-Jul 5-Aug 12-Aug 19-Aug 26-Aug 2-Sep
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Appear (6)+ Daconil Action (3.5) Signature (4) + Daconil WearthrStik (3.6)
Appear (6) + Concert (4) UTC
Applications: May 17, 31; June 14, 28; Jul 12, 26; Aug 9, 23.
*Rate per 1,000 ft².Spray program included Appear applications in June, July and August.
Pythium Blight Prevention Test - 2011: Rutgers Univ.Perennial ryegrass, fairway height
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15-Jul 22-Jul 5-Aug
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Untreated Control Daconil Action™ 3.5 fl oz Daconil Action 2.0 fl oz Appear™ 6.0 fl oz Signature® 4.0 oz
Fungicides were applied on 6/17, 7/1, 7/15, 7/29, and 8/12/2011 @ 14-day intervals
Civitas + Harmonizer?
Civitas is a mineral oil (Acropetal penetrant)
- mixture of food-grade synthetic isoparaffins
and a food-grade emulsifier developed by
Suncor (Petro-Canada)
Mode of action: Induced systemic resistance
(activates plant signaling genes/antimicrobial
compounds).
Harmonizer (green pigment)
Civitas, was registered in the U.S. in Feb 2009.
Relative Efficacy of New Fungicides for Cool - Season
Turf Diseases : 2012
* Efficacy on a 1- 4 Scale, where 1 = not effective, 2 = fair – good control, 3 = good – excellent control, and 4 =
excellent control. Limited = insufficient data.
0
Control of Anthracnose Basal Rot with Civitas
98AS on an Annual Bluegrass (Poa annua L.)
Green in North Brunswick, NJ - 2010
Relatively poor disease control obtained with a 6% solution of
Civitas + Harmonizer pigment applied every 14-d from 18 May –
17 August 2010 – Note thinning and sealing off of the soil surface
on Civitas treated turf
ggggggggggggggggggggggggggggggggggggggggggggg
Daconil Action
–Chlorothalonil + acibenzolar
–Syngenta released for sale fall 2011
–Acibenzolar belongs to FRAC group P
and induces host plant defense (not
directly toxic to fungi)
–Stimulates natural defense through SAR
–Controls every disease that Daconil does
+ some suppression of Pythium
Relative Efficacy of New Fungicides for Cool - Season
Turf Diseases : 2012
* Efficacy on a 1- 4 Scale, where 1 = not effective, 2 = fair – good control, 3 = good – excellent control, and 4 =
excellent control. Limited = insufficient data.
0
Untreated
Daconil Ultrex 3.2 oz – 14 day
A1980 0.006 oz – 7 day
Daconil Action 1.5 fl oz – 7 day
Photos taken at Rutgers Univ. bent green
on August 27,2010
Trial conducted by Steve McDonald, Turfgrass Disease Solutions - 2011
*Number of infection centers per plot area.Applications made on May 12 and 27
Secure™ Fungicide
Anthracnose, Brown Patch, Dollar Spot, Snow Mold, Leaf Spot, Red Thread, Rust
Basic Application GuidelinesRate: 0.5 fl oz per 1000 ft², Application interval: 14 days
Limit: 258 fl. oz. per acre/year. (12 apps @ 0.5 fl. oz./1000 sq. ft. per season)
Pyridinamine 29 Fluazinam Secure Protectant fungicide.
Mode of Action: inhibits energy production at multiple sites
Dollar Spot Trial 2011: Rutgers UniversityCrenshaw Creeping Bentgrass (Fairway Height)
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120
7-Jun 14-Jun 21-Jun 28-Jun 5-Jul 12-Jul 19-Jul 26-Jul 2-Aug 9-Aug 16-Aug 23-Aug
Nu
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Secure (0.5 )* Banner MAXX (1.0) Emerald (0.13)
26GT (2.0) Chlorothalonil 6SC (2.0) UTC
Applications: May 24; June 7, 21; Jul 5, 19; Aug 2, 16.
*Rate per 1,000 ft².
Dollar Spot Trial 2011: Rutgers UniversityCrenshaw Creeping Bentgrass (Fairway Height)July 26, 2011
Chlorothalonil 2.0 fl oz Secure™ 0.5 fl oz
Chemical Control of Pythium Blight
New Fungicide Turfgrass Active
Ingredients:
Segway (cyazofamid)
Preventive Control of Pythium Blight on
Perennial Ryegrass: Rutgers, 2010*
*Fungicides Applied from June 18 to July 23, every 14d
Velista
Active ingredient: penthiopyrad
SDHI fungicide acropetal penetrant
Fungicide class: carboximide
FRAC group: 7
Formulation: 50WDG
Application rate: 0.3 - 0.5 oz 1000-ft-2
Pending registration in the US:
Velista
P. Majumdar
Excellent brown patch material
Very good on dollar spot
– Not as long residual as Emerald
Very good rust and red thread fungicide
Good for anthracnose
New Fungicides from BASF
Recently Available:
Honor Intrinsic 28WG = Insignia + Emerald
Pillar 0.81G = Insignia + Trinity
Pending EPA Approval (fall 2013 / spring 2014):
Encartis = chlorothalonil + boscalid
Lexicon Intrinsic 4.2SC = pyraclostrobin + fluxapyroxad
Xzemplar 2.5SC = fluxapyroxad
Suppressing Summer Patch with Selected fungicides on
Kentucky Bluegrass : Rutgers University : 2011
Lexicon Intrinsic 4.17SC = Insignia + fluxapyroxad, Xzemplar 2.5SC = fluxapyroxad; Interval = 28 day
New Turfgrass Fungicide Mixtures
Trade Name Common Name FRAC #
Briskway azoxystrobin + difenoconazole 11 + 3
Concert chlorothalonil + propiconazole M5 + 3
Disarm C fluoxastrobin + chlorothalonil 11 + M5Disarm M fluoxastrobin + myclobutanil 11 + 3
Honor boscalid + pyraclostrobin 7 + 11Encartis boscalid + chlorothalonil 7 + M5
Interface iprodione + trifloxystrobin 2 + 11 Lexicon Insignia + fluxapyroxad 11 + 7
Pillar pyraclostrobin + triticonazole 11 + 3Renown chlorothalonil + azoxystrobin M5 + 11Reserve chlorothalonil + triticonazole M5 + 3Stellar fluopicolide + propamocarb 28 + 43Tartan trifloxystrobin + triadimefon 11 + 3
New Turfgrass Fungicide Mixtures
Trade Name Common Name FRAC #
Briskway azoxystrobin + difenoconazole 11 + 3
Concert chlorothalonil + propiconazole M5 + 3
Disarm C fluoxastrobin + chlorothalonil 11 + M5Disarm M fluoxastrobin + myclobutanil 11 + 3
Honor boscalid + pyraclostrobin 7 + 11Encartis* boscalid + chlorothalonil 7 + M5 Interface iprodione + trifloxystrobin 2 + 11 Lexicon* Insignia + fluxapyroxad 11 + 7
Pillar pyraclostrobin + triticonazole 11 + 3Renown chlorothalonil + azoxystrobin M5 + 11Reserve chlorothalonil + triticonazole M5 + 3Stellar fluopicolide + propamocarb 28 + 43Tartan trifloxystrobin + triadimefon 11 + 3
* Pending Release in fall 2013 / Spring 2014
Influence of Fungicides on Dollar Spot (Green) : Rutgers, 2011*
*Fungicides applied from May 24 to August 23
Briskway™ Fungicide(Azoxystrobin + difenoconazole)
Anthracnose, Brown Patch, Brown Ring Patch, Dollar Spot, Fairy Ring, Gray Leaf Spot, Leaf
Spot, Red Thread, Snow Mold, Patch Diseases
Basic Application GuidelinesRate: 0.3 to 0.725 fl oz per 1000 ft², Application interval: 14 to 28 days
Limit: 64 fl. oz. per acre/year. (3 apps @ 0.5 fl. oz./1000 sq. ft. per season)
Used in programs to avoid exceeding limits
Anthracnose Trial 2012: Rutgers UniversityAnnual Bluegrass (Greens Height)
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11-Jun 18-Jun 25-Jun 2-Jul 9-Jul 16-Jul 23-Jul 30-Jul 6-Aug 13-Aug 20-Aug 27-Aug 3-Sep
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Briskway (0.5 ) / Daconil Action (3.5)* Tartan (2.0)
Affirm (0.9) Briskway (0.5 ) + Daconil Action (3.0)
Spray Program UTC
Applications: May 17, 31; June 14, 28; Jul 12, 26; Aug 9, 23.
*Rate per 1,000 ft². Spray program alternated Headway (2.25 fl oz), Daconil Action (3 fl oz), Medallion (0.25 oz), Appear (4 oz), Secure (0.5 fl oz), and Briskway (0.5 fl oz) between 5/16 and 8/22.
Difenoconazole Safety on Creeping BentgrassRutgers, 2009
Summer Patch Trial 2009: Rutgers UniversityKentucky Bluegrass (Fairway Height)
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Briskway (0.5/14DI)* Briskway (0.5/28 DI) Headway (3.0/28 DI)
Banner Maxx (4.0/28 DI) 3336 (6.0/14 DI) UTC
Applications 14 DI - May 26; June 10, 24; Jul 8, 22; Aug 5.Applications 28 DI - May 26; June 24; Jul 22.
*Rate per 1,000 ft².
New Turfgrass Fungicide Formulations
Trade Name Common Name FRAC #Disarm G fluoxastrobin 11
Headway G azoxystrobin + propiconazole 11+ 3Hertiage G azoxystrobin 11
Honor Intrinsic boscalid + pyraclostrobin 7 + 11Insignia Intrinsic pyraclostrobin 11
New Turfgrass Fungicide Formulations
Trade Name Common Name FRAC #Disarm G fluoxastrobin 11
Headway G azoxystrobin + propiconazole 11+ 3Hertiage G azoxystrobin 11
Honor Intrinsic boscalid + pyraclostrobin 7 + 11Insignia Intrinsic pyraclostrobin 11
Insignia SC -- pyraclastrobin
Honor -- pyraclastrobin & boscalid
Disease control and Improved Plant Health
Summary
Strobilurins are excellent broad
spectrum fungicides; they are
particularly effective against:
– Brown Patch, Rust, Leaf Spot
– Patch diseases (e.g., summer and take-all
patch)
Use these fungicides for disease
control…………..any potential additional
plant health benefits are a bonus