what's new in turfgrass fungicides? new products, premixes ... · what’s new in turfgrass...

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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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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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.

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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

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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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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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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