Dr. Ward Strong Dr. Ward Strong

New Pesticide Registrations For BC Seed Orchards

Ward Strong BCFLNRO

Dr. Ward Strong Dr. Ward Strong

URMULE: User Requested Minor Use Label Expansion

• User Requested: that’s us! • Minor Use: a crop that’s too small to

be of interest to the manufacturer • Label Expansion: Product must

already have a label in Canada

Dr. Ward Strong Dr. Ward Strong

1. Matador against Leptoglossus • Assisted by AAFC funding • Several years of small-plot trials • 2 years of commercial-scale trials

Dr. Ward Strong Dr. Ward Strong

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Kettle River Grandview Sorrento Eaglerock Average

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s Seed Yield (TSC data)

Matador

Control

1. Matador against Leptoglossus 2014 Area-wide Matador Trials

Dr. Ward Strong Dr. Ward Strong

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Seed Yield (TSC data)

Matador Control Delegate Control

1. Matador against Leptoglossus 2015 Area-wide Matador Trials

Dr. Ward Strong

1. Matador against Leptoglossus • PMRA approved data • New label created by Syngenta • Submitted to PMRA last September • Still under review! (way past schedule)

Dr. Ward Strong

Dr. Ward Strong Dr. Ward Strong Contarinia oregonensis

2. Movento against Cone Midges • PMTAC funded • Two years of small-plot trials • No commercial-scale trials prior to

registration

Dr. Ward Strong Dr. Ward Strong

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0.5A 0.5AB 0.5ABC 1A 1AB 1ABC 2A 2AB 2ABC Dimethoate Water

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Treatment

Contarinia infestation in Fd cones

ab ab ab bc bc bc bc bc bc

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2. Movento against Cone Midges 2013 Movento trials

Dr. Ward Strong Dr. Ward Strong

Data are from Contarinia oregonensis (Douglas-fir) Also registered against: Mayetiola thujae (Western redcedar) Kaltenbachiola spp (Spruce)

Kaltenbachiola spp.

Photo: Dion Monastyrski

2. Movento against Cone Midges Movento registration:

Mayetiola thujae Contarinia oregonensis

Dr. Ward Strong

2. Movento against Cone Midges • PMRA approved in May 2015 • Bayer submitted new label Sept 2015 • PMRA completed registration early

2016

Dr. Ward Strong

Dr. Ward Strong Dr. Ward Strong

3. Delegate against Dioryctria • PMTAC Funded • Several years of small-plot trials • 1 year of commercial-scale trials,

more coming

Dr. Ward Strong Dr. Ward Strong

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Control Del Lo 2X Del Lo 3X Del Hi 2X Del Hi 3X Dimethoate Matador

2012: Dioryctria per Cone

3. Delegate against Dioryctria 2012 Small-plot Delegate Trials

Dr. Ward Strong Dr. Ward Strong

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.5X 1X 2X Control

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2014 Rate trial: Dioryctria damaged cones

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Del Hi 2X Del Hi 3X Del Lo 2X Del Lo 3X Dimethoate Water control

2014: Proportion of Cones with Dioryctria Damage

Early

Late

3. Delegate against Dioryctria 2014 Small-plot Delegate Trials

Dr. Ward Strong Dr. Ward Strong

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306 342 229 306 342 229

June July

Mea

n p

erce

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Percentage of cones damaged by Dioryctria

Sprayed

Unsprayed

3. Delegate against Dioryctria 2015 Area-wide Delegate Trials (Sx)

Dr. Ward Strong Dr. Ward Strong

3. Delegate against Dioryctria • PMRA approved in Jan 2016 • Syngenta submitted new label May 2016 • Not yet approved

Dr. Ward Strong Dr. Ward Strong

Continuing Pesticide Research • Area-wide Fd trials against Contarinia • Movento trials against Mayetiola,

Kaltenbachiola -No data to guide usage

Photo: Dion Monastyrski

Mayetiola eggs on Red cedar conelet

Kaltenbachiola pupae in spruce cone axis

Dr. Ward Strong Dr. Ward Strong

Screening for Pest Resistance in Conifer Breeding Programs

Ward Strong BCFLNRO

Dr. Ward Strong Dr. Ward Strong

1. Screening Douglas-fir for Spruce Budworm resistance.

• Larval Feeding Trials: Put three fine mesh bags on each parent tree.

Inoculated with budworm eggs

Dr. Ward Strong Dr. Ward Strong

1. Screening Douglas-fir for Spruce Budworm resistance.

• Larval Feeding Trials: Measured Extent of feeding, Survival to pupa

Dr. Ward Strong Dr. Ward Strong

1. Screening Douglas-fir for Spruce Budworm resistance.

• Larval Feeding Trials: Found wide range of clonal variation in feeding

performance

Survival was worst in non-preferred clones

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rce

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ed

up

on

Clone

Percent feeding on NEW growth

Dr. Ward Strong Dr. Ward Strong

2013 trials 2014 trials

1. Screening Douglas-fir for Spruce Budworm resistance.

• Adult Host Selection Trials Adults choose the trees that larvae must eat

Dr. Ward Strong Dr. Ward Strong

2015: -Planted 500 rootstock

2016-18: -Graft parents -Build screenhouse -Introduce wild moths

1. Screening Douglas-fir for Spruce Budworm resistance.

Dr. Ward Strong Dr. Ward Strong

2. Screening Whitebark pine for White Pine Blister Rust resistance.

Dr. Ward Strong Dr. Ward Strong

0

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Proportion of Each Family that has cankers

2. Screening Whitebark pine for White Pine Blister Rust resistance.

Dr. Ward Strong Dr. Ward Strong Illustration: Greg O’Neill

Prince George

Kamloops

3. Using the AMAT to predict pest responses to climate change.

• AMAT puts trees out of their optimal climate spaces • Simulates future climates

Dr. Ward Strong Dr. Ward Strong

3. Using the AMAT to predict pest responses to climate change.

• can determine how plants will respond to future climates

Hei

ght

Mean Annual Temp of Source

Many populations tested at one site

TRANSFER FUNCTION

M.A.T. of Site

Dr. Ward Strong Dr. Ward Strong

3. Using the AMAT to predict pest responses to climate change.

• Working with Regional forest health specialists to identify sites with insect or disease issues

• Several sites ID’d with forest health issues • Next step: survey populations at those sites

Pest

inci

den

ce

Mean Annual Temp of Source

Many populations tested at one site

PEST TRANSFER FUNCTION

M.A.T. of Site

Dr. Ward Strong

4. Mountain Pine Beetle In-Situ Breeding • Most trees are susceptible (S), currently dead • Some survived... Potentially resistant (R), still alive

2006

Dr. Ward Strong

Dr. Ward Strong

4. Mountain Pine Beetle In-Situ Breeding • Dead trees (S):

o Cones pollinated with S pollen = S x S • Resistant trees (R):

o OLD cones pollinated with S pollen = S x R o NEW cones pollinated with R pollen = R x R

2006 Pollen cloud: (S) 2011 Pollen cloud: (R)

2011 Cone Collection

S Parent

R Parent

S x S

R x R

S x R

Dr. Ward Strong

Dr. Ward Strong

4. Mountain Pine Beetle In-Situ Breeding • All crosses now 3 years old • Planted at UBC’s Alex Fraser Research Forest

and UNBC’s John Prince Research Forest

Dr. Ward Strong

Dr. Ward Strong

Pest Resistance Breeding by Other TIB folks:

1. Barry Jaquish Spruce Weevils

Armillaria Root Rot

Dr. Ward Strong

Dr. Ward Strong

Pest Resistance Breeding by Other TIB folks:

2. Nick Ukrainetz Western Gall Rust

Dothistroma needle blight

Comandra Blister Rust

Dr. Ward Strong

Dr. Ward Strong

Pest Resistance Breeding by Other TIB folks:

3. John Russell

Deer Browse Resistance

Heart Rot Resistance

Dr. Ward Strong

Dr. Ward Strong Dr. Ward Strong Dr. Ward Strong