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
0
50
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Kettle River Grandview Sorrento Eaglerock Average
Gra
ms
fille
d s
ee
d /
he
cto
lite
r co
ne
s Seed Yield (TSC data)
Matador
Control
1. Matador against Leptoglossus 2014 Area-wide Matador Trials
Dr. Ward Strong Dr. Ward Strong
0.000
0.050
0.100
0.150
0.200
0.250
0.300
0.350
0.400
Kg
fille
d s
eed
/ h
ecto
liter
co
nes
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
0
0.5
1
1.5
2
2.5
3
3.5
4
0.5A 0.5AB 0.5ABC 1A 1AB 1ABC 2A 2AB 2ABC Dimethoate Water
Infe
sted
Sca
les
per
Hal
f-cu
t C
on
e
Treatment
Contarinia infestation in Fd cones
ab ab ab bc bc bc bc bc bc
c
a
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
0
0.05
0.1
0.15
0.2
0.25
0.3
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
0
0.1
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0.8
.5X 1X 2X Control
Pro
po
rtio
n o
f co
ne
s d
amag
ed
2014 Rate trial: Dioryctria damaged cones
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
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
0
1
2
3
4
5
6
7
8
9
306 342 229 306 342 229
June July
Mea
n p
erce
nt
dam
age
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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1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77
Pe
rce
nt
of
folia
ge f
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
0
0.1
0.2
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0.5
0.6
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