Rose Garden PesticidesRose Garden Pesticides

The Chemicals Available to Keep The Chemicals Available to Keep Your Roses Pest-FreeYour Roses Pest-Free

Today’s TopicsToday’s Topics Pesticide HierarchyPesticide Hierarchy Systemic, Translaminar, and Contact ChemicalsSystemic, Translaminar, and Contact Chemicals Identifying the Common PestsIdentifying the Common Pests

InsectsInsects Funguses Funguses

The Available Insecticides and FungicidesThe Available Insecticides and Fungicides Online Sources of Pesticide LabelsOnline Sources of Pesticide Labels Shopping the Internet for the Best PriceShopping the Internet for the Best Price

A few words about Resistance ManagementA few words about Resistance Management

Today’s Topics (Cont.)Today’s Topics (Cont.) Specific Chemicals for Specific PestsSpecific Chemicals for Specific Pests

Insecticides/MiticidesInsecticides/Miticides FungicidesFungicides

Ready-to-Use (RTU) and Over-the-Counter Ready-to-Use (RTU) and Over-the-Counter (OTC) Products for the Smaller Garden(OTC) Products for the Smaller Garden Bayer Advanced Garden ProductsBayer Advanced Garden Products OthersOthers

Pesticide HierarchyPesticide HierarchyPesticides

Insecticides Fungicides Herbicides

Miticides Botryticide

Ovicide/Larvacide

Systemic ChemicalsSystemic Chemicals Apply to the foliage as a spray or to the roots as a Apply to the foliage as a spray or to the roots as a

drenchdrench Moves (typically, up) through the plant’s vascular Moves (typically, up) through the plant’s vascular

systemsystem Phloem cells – like “arteries” through which sugars and Phloem cells – like “arteries” through which sugars and

other plant products moveother plant products move Xylem – tubular structure for the transport of water and Xylem – tubular structure for the transport of water and

dissolved minerals --think tree growth ringsdissolved minerals --think tree growth rings Chemicals stay within the plant – don’t wash offChemicals stay within the plant – don’t wash off Downside – systemics don’t enter the bloomsDownside – systemics don’t enter the blooms

Translaminar ChemicalsTranslaminar Chemicals Trans = across or through, like transatlanticTrans = across or through, like transatlantic Laminar = layeredLaminar = layered Translaminar = through layersTranslaminar = through layers Sometimes referred to as Sometimes referred to as locally systemiclocally systemic Applied to foliage as a spray, these chemicals are Applied to foliage as a spray, these chemicals are

absorbed by the plantabsorbed by the plant They move through foliage from one surface to the They move through foliage from one surface to the

otherother Great for spider mites which feed on the underside of Great for spider mites which feed on the underside of

leaves and are nearly unaffected by systemicsleaves and are nearly unaffected by systemics

Contact SpraysContact Sprays Applied to foliage, buds and blooms as a sprayApplied to foliage, buds and blooms as a spray Remain on the surface of foliage and bloomsRemain on the surface of foliage and blooms Not absorbed by the plantNot absorbed by the plant Pretty much the only way to protect bloomsPretty much the only way to protect blooms Downside – contact sprays wash off in the rainDownside – contact sprays wash off in the rain

Identifying the Common PestsIdentifying the Common Pests InsectsInsects

Japanese Beetles – May through August – devour blooms Japanese Beetles – May through August – devour blooms and leavesand leaves

Aphids – entire growing season – attack buds and tender Aphids – entire growing season – attack buds and tender foliage – often accompanied by ants (“farming” the aphids)foliage – often accompanied by ants (“farming” the aphids)

Thrips – entire growing season – create blemishes on Thrips – entire growing season – create blemishes on blooms – especially light colorsblooms – especially light colors

Budworms – later in the growing season – bore holes in Budworms – later in the growing season – bore holes in budsbuds

Spider Mites – when it’s hot and dry – suck the chlorophyll Spider Mites – when it’s hot and dry – suck the chlorophyll out of leaves – defoliate bushesout of leaves – defoliate bushes

Identifying the Common PestsIdentifying the Common Pests FungusesFunguses

Black Spot – all season especially when damp – forms a black spot on Black Spot – all season especially when damp – forms a black spot on leaves which then yellow and fall offleaves which then yellow and fall off

Powdery Mildew – all season – superficial white or gray powder on Powdery Mildew – all season – superficial white or gray powder on surfaces of leaves – uncontrolled will prevent bloomingsurfaces of leaves – uncontrolled will prevent blooming

Downy Mildew – cool with high humidity – purplish red to dark brown Downy Mildew – cool with high humidity – purplish red to dark brown irregular spots on leaves – uncontrolled may result in defoliation – long irregular spots on leaves – uncontrolled may result in defoliation – long purplish areas on canes - may be systemic in rosespurplish areas on canes - may be systemic in roses

Botrytis – all season especially when damp – creates blemishes on Botrytis – all season especially when damp – creates blemishes on blooms, bloom rot and premature shatteringblooms, bloom rot and premature shattering

Rust – all season – tiny orange and red spots on leaves – looks like rust Rust – all season – tiny orange and red spots on leaves – looks like rust – uncontrolled can defoliate bush– uncontrolled can defoliate bush

The Available Insecticides and The Available Insecticides and FungicidesFungicides

Where to learn about them - other rosarians, ads in Where to learn about them - other rosarians, ads in rose magazines and newsletters, rose forums on the rose magazines and newsletters, rose forums on the Internet, and rose care websites like:Internet, and rose care websites like: www.rosemania.comwww.rosemania.com www.rosecare.comwww.rosecare.com www.saveonchemicals.comwww.saveonchemicals.com www.growersupply.comwww.growersupply.com www.southernag.comwww.southernag.com www.pestproducts.com www.pestproducts.com And links from www.chattanoogarose.org And links from www.chattanoogarose.org

Get the LabelsGet the Labels And the Material Safety Data Sheets (MSDS)And the Material Safety Data Sheets (MSDS) Sources of labels:Sources of labels:

On the chemicals’ containersOn the chemicals’ containers Manufacturers’ websites – for example Manufacturers’ websites – for example

www.bayeradvanced.comwww.bayeradvanced.com www.cdms.net – offers labels and MSDS for all www.cdms.net – offers labels and MSDS for all

registeredregistered pesticides – search by product name pesticides – search by product name www.greenbook.net – another site like cdms.net – www.greenbook.net – another site like cdms.net –

however, requires simple registrationhowever, requires simple registration

Read the Labels!Read the Labels! And the MSDSsAnd the MSDSs Typical label format:Typical label format:

Product name, active ingredients and toxicity – CAUTION, Product name, active ingredients and toxicity – CAUTION, WARNING, or DANGERWARNING, or DANGER

Safety information – personal protection equipment (PPE), Safety information – personal protection equipment (PPE), etc.etc.

Use restrictions and application instructionsUse restrictions and application instructions Applicable crops/plants – pest/disease that is controlled – Applicable crops/plants – pest/disease that is controlled –

application ratesapplication rates Storage and disposal requirementsStorage and disposal requirements

Shopping the InternetShopping the InternetMERIT 75 WPMERIT 75 WP

2 OZ2 OZCOMPASSCOMPASS

8 OZ8 OZAVIDAVID8 OZ8 OZ

TETRASANTETRASAN1 LB1 LB

ROSEMANIAROSEMANIA $65.00$65.00 $219.00$219.00(2 OZ $69.99)(2 OZ $69.99)

$105.00$105.00 $99.95$99.95

ROSECAREROSECARE $65.98$65.98 $289.00$289.00 $349.95$349.951 QUART1 QUART

B&T GROWERB&T GROWERSUPPLYSUPPLY

$225.00$225.00 $93.00$93.00 $89.60$89.60

PESTPESTPODUCTSPODUCTS

$59.90$59.90

SAVE ONSAVE ONCHEMICALSCHEMICALS

$142.00$142.006.4 OZ6.4 OZ

$203.00$203.00 $269.00$269.001 QUART1 QUART

$79.00$79.00

Resistance ManagementResistance Management Resistance management in the garden is a problem Resistance management in the garden is a problem

akin to certain antibiotics losing their effectiveness in akin to certain antibiotics losing their effectiveness in humans due to repeated or improper usehumans due to repeated or improper use

Repeated use of the same pesticide allows the target Repeated use of the same pesticide allows the target pest to mutate and adapt and become resistant to the pest to mutate and adapt and become resistant to the pesticidepesticide

Each insecticide and fungicide has a specific mode of Each insecticide and fungicide has a specific mode of action (MOA) in the way it disables and kills its action (MOA) in the way it disables and kills its target pesttarget pest

If these MOAs are alternated from one spraying to If these MOAs are alternated from one spraying to the next the target pest is very less likely to adaptthe next the target pest is very less likely to adapt

Resistance Management (Cont.)Resistance Management (Cont.) Or, if chemicals with different MOAs are mixed in a Or, if chemicals with different MOAs are mixed in a

single spraying the target pest is unable to adaptsingle spraying the target pest is unable to adapt The Insecticide Resistance Action Committee (IRAC The Insecticide Resistance Action Committee (IRAC

– www.irac-online.org) in its latest publication – www.irac-online.org) in its latest publication identifies 28 insecticide MOAsidentifies 28 insecticide MOAs

The Fungicide Resistance Action Committee (FRAC The Fungicide Resistance Action Committee (FRAC – www.frac.info) has identified over 40 fungicide – www.frac.info) has identified over 40 fungicide MOAsMOAs

Dr. Ray Cloyd and I decided that the large number of Dr. Ray Cloyd and I decided that the large number of MOAs should and could be consolidated to be of MOAs should and could be consolidated to be of more use to rosarians – we came up with 6 insecticide more use to rosarians – we came up with 6 insecticide MOAs and 6 fungicide MOAsMOAs and 6 fungicide MOAs

Resistance Management (Cont.)Resistance Management (Cont.) Your handout contains the two tables that Dr. Cloyd Your handout contains the two tables that Dr. Cloyd

and I derived from the IRAC and FRAC publicationsand I derived from the IRAC and FRAC publications MOA 6 in both tables is what Dr. Cloyd calls the MOA 6 in both tables is what Dr. Cloyd calls the

“napalm” MOA – the chemicals in this group kill on “napalm” MOA – the chemicals in this group kill on contact and leave little or no room for adaptationcontact and leave little or no room for adaptation

I’ve found two useful insecticide partnerings to be I’ve found two useful insecticide partnerings to be Merit and Tempo and Avid and TetraSanMerit and Tempo and Avid and TetraSan

An effective fungicide partnering is Banner Maxx An effective fungicide partnering is Banner Maxx (alternated with Cleary’s 3336F) and Compass(alternated with Cleary’s 3336F) and Compass

Perspective SettingPerspective Setting Pesticide producers view rose growers as a Pesticide producers view rose growers as a

tiny markettiny market Insecticides are primarily marketed to farmers Insecticides are primarily marketed to farmers

and maintainers of large public areasand maintainers of large public areas Fungicides target turf grass markets like golf Fungicides target turf grass markets like golf

coursescourses We’re just lucky that these pesticides work to We’re just lucky that these pesticides work to

eliminate rose garden pestseliminate rose garden pests

Specific Chemicals for Specific PestsSpecific Chemicals for Specific Pests

InsecticidesInsecticides OrtheneOrthene – MOA 1 – a translaminar chemical – spray for – MOA 1 – a translaminar chemical – spray for

the control of aphids, Japanese Beetles, and thripsthe control of aphids, Japanese Beetles, and thrips SevinSevin – MOA 1 – a contact spray – very effective against – MOA 1 – a contact spray – very effective against

Japanese Beetles – has resistance management problems Japanese Beetles – has resistance management problems with thrips if used alone – combine with with thrips if used alone – combine with Tempo, Talstar Tempo, Talstar oror ConserveConserve

TalstarTalstar – MOA 2 – a contact spray – also registered as a – MOA 2 – a contact spray – also registered as a miticide – good control of aphids and Japanese Beetles – miticide – good control of aphids and Japanese Beetles – look also for look also for Bifen I/T – Bifen I/T – exactly the same as exactly the same as TalstarTalstar but but less expensive ($59.90 vs $99.99 per quart)less expensive ($59.90 vs $99.99 per quart)

More Pest-KillersMore Pest-Killers Insecticides (Cont.)Insecticides (Cont.)

TempoTempo – MOA 2 - a highly-effective contact spray – kills – MOA 2 - a highly-effective contact spray – kills just about any insectjust about any insect

AvidAvid – MOA 3 – a translaminar spray – kills adult spider – MOA 3 – a translaminar spray – kills adult spider mitesmites

FloramiteFloramite – MOA 3 – a contact spray – kills all spider mite – MOA 3 – a contact spray – kills all spider mite life stageslife stages

Akari 5SCAkari 5SC – MOA 3 – a contact spray – kills all spider mite – MOA 3 – a contact spray – kills all spider mite life stages – 60% the cost of life stages – 60% the cost of FloramiteFloramite

MeritMerit - MOA 4 – a very effective systemic chemical – - MOA 4 – a very effective systemic chemical – kills any insects that are eating the foliage – use as a drench kills any insects that are eating the foliage – use as a drench or sprayor spray

……And MoreAnd More Insecticides (Cont.)Insecticides (Cont.)

ConserveConserve – MOA 4 – a translaminar spray – probably the – MOA 4 – a translaminar spray – probably the most effective attack on thripsmost effective attack on thrips

HexygonHexygon – MOA 5 – a contact spray for the control of – MOA 5 – a contact spray for the control of spider mite larva and eggs – combine with spider mite larva and eggs – combine with AvidAvid

TetraSanTetraSan – MOA 5 – a translaminar spray for the control of – MOA 5 – a translaminar spray for the control of spider mite larva and eggs – combine with spider mite larva and eggs – combine with AvidAvid for a for a translaminar spray addressing all mite life stagestranslaminar spray addressing all mite life stages

Forbid 4FForbid 4F – MOA 6 – a translaminar spray for the control – MOA 6 – a translaminar spray for the control of all spider mite life stages – minimum resistance of all spider mite life stages – minimum resistance management problems – very expensivemanagement problems – very expensive

Now Disease (Fungus) ControlNow Disease (Fungus) Control FungicidesFungicides

Banner MaxxBanner Maxx – MOA 1 – a systemic chemical that attacks – MOA 1 – a systemic chemical that attacks blackspot, powdery mildew and rustblackspot, powdery mildew and rust

Eagle 20 EWEagle 20 EW – MOA 1 – very similar to Banner Maxx but – MOA 1 – very similar to Banner Maxx but less toxic (CAUTION instead of WARNING) – same less toxic (CAUTION instead of WARNING) – same active ingredient as active ingredient as SysthaneSysthane

Decree 50 WDGDecree 50 WDG – MOA 1 – specifically registered as a – MOA 1 – specifically registered as a botryticidebotryticide

Cleary’s 3336FCleary’s 3336F – MOA 2 – a systemic chemical that can – MOA 2 – a systemic chemical that can be alternated with Banner Maxxbe alternated with Banner Maxx

Chipco 26019 FloChipco 26019 Flo – MOA 3 – specifically registered to – MOA 3 – specifically registered to control botrytis blight – alternate with control botrytis blight – alternate with DecreeDecree

More Disease ControlMore Disease Control Fungicides (Cont.)Fungicides (Cont.)

Subdue MaxxSubdue Maxx – MOA 4 – targets root and stem rot – primarily used as – MOA 4 – targets root and stem rot – primarily used as a drench in greenhousesa drench in greenhouses

CompassCompass – MOA 5 – a translaminar chemical that controls just about – MOA 5 – a translaminar chemical that controls just about every rose disease, including botrytis, downy mildew, and powdery every rose disease, including botrytis, downy mildew, and powdery mildewmildew

AllietteAlliette – MOA 6 – an aluminum-based contact chemical that – MOA 6 – an aluminum-based contact chemical that specifically targets downy mildewspecifically targets downy mildew

ManzateManzate – MOA 6 – a zinc- and manganese-based contact spray for – MOA 6 – a zinc- and manganese-based contact spray for the very effective eradication of blackspot – now sold as the very effective eradication of blackspot – now sold as PentathlonPentathlon

ZybanZyban – MOAs 2 and 6 – a combination of the active ingredients in – MOAs 2 and 6 – a combination of the active ingredients in Cleary’s 3336FCleary’s 3336F and and Manzate – Manzate – comes as a fine powdercomes as a fine powder

RTU and OTC ProductsRTU and OTC Products Bayer Advanced Garden ProductsBayer Advanced Garden Products

www.bayeradvanced.comwww.bayeradvanced.com Rose & Flower Insect KillerRose & Flower Insect Killer

A combination of Merit and TempoA combination of Merit and Tempo Available in spray bottle, hose-end sprayer and Available in spray bottle, hose-end sprayer and

concentrateconcentrate 2 in 1 Systemic Rose & Flower Care2 in 1 Systemic Rose & Flower Care

Granules sprinkled around bush and watered-inGranules sprinkled around bush and watered-in 12-18-6 fertilizer12-18-6 fertilizer Orthene-like systemic insecticide - disulfotonOrthene-like systemic insecticide - disulfoton

RTU and OTC Products (Cont.)RTU and OTC Products (Cont.) More Bayer Advanced Garden ProductsMore Bayer Advanced Garden Products

All-in-One Rose & Flower CareAll-in-One Rose & Flower Care Merit insecticide plus Banner Maxx fungicideMerit insecticide plus Banner Maxx fungicide 9-14-9 fertilizer9-14-9 fertilizer Mixed 4 tbsp/quart and used as a drenchMixed 4 tbsp/quart and used as a drench

Bayer Advanced Disease ControlBayer Advanced Disease Control Concentrate diluted 1.5 tbsp/gallon to sprayConcentrate diluted 1.5 tbsp/gallon to spray Active ingredient same as Banner MaxxActive ingredient same as Banner Maxx

Some Other RTU/OTC ProductsSome Other RTU/OTC Products Safer Brand 3 in 1 Garden SpraySafer Brand 3 in 1 Garden Spray – uses fatty acids, sulfur and – uses fatty acids, sulfur and

neem oil (MOA 6) to create an environmentally safe neem oil (MOA 6) to create an environmentally safe insecticide, fungicide and miticideinsecticide, fungicide and miticide

Green Light Bioganic Organic Rose & Flower Ready-to-UseGreen Light Bioganic Organic Rose & Flower Ready-to-Use – – uses plant oils (MOA 6) to create an environmentally safe uses plant oils (MOA 6) to create an environmentally safe insecticide, fungicide and miticideinsecticide, fungicide and miticide

Ortho Orthenex Insect & Disease ControlOrtho Orthenex Insect & Disease Control – active ingredients – active ingredients are acephate (Orthene) and triforine (same chemical group as are acephate (Orthene) and triforine (same chemical group as Banner Maxx)Banner Maxx)

GardenTech SevinGardenTech Sevin – OTC version of this very effective – OTC version of this very effective insecticide (MOA 1)insecticide (MOA 1)

And, Finally…AdjuvantsAnd, Finally…Adjuvants Adjuvant – serving to help or assist – something to Adjuvant – serving to help or assist – something to

make a spray more effectivemake a spray more effective Stirrup M – a pheromone (sexual attractant) that Stirrup M – a pheromone (sexual attractant) that

draws spider mites to any spray in which it’s mixeddraws spider mites to any spray in which it’s mixed Indicate 5 – adjusts pH of spray water and serves as a Indicate 5 – adjusts pH of spray water and serves as a

spreader-sticker – most sprays more effective in a spreader-sticker – most sprays more effective in a slightly acidic liquidslightly acidic liquid

Hi-Yield Spreader-Sticker (or any other OTC brand) Hi-Yield Spreader-Sticker (or any other OTC brand) – makes spray adhere to foliage instead of dribbling – makes spray adhere to foliage instead of dribbling offoff