results of 2015 trials on wireworm control - pei …...•6 varieties ii. mustard variety trial...
TRANSCRIPT
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Results of 2015 Trials on
Wireworm Control
Research Division
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ALICIA NEWMAN
Cavendish Agri Services
Zenaida Ganga, Ph.D.
William Hardy
Research Division
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2015 Wireworm Trials
1. Insecticide Efficacy Trial
2. Crop Rotation x Insecticide – 2 locations
3. Mustard Variety Trials- 2 locations
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Field Selection -
• Confirmed the presence of
wireworm by installing carrot baits in the field
• Field used for all trials are “wireworm-infested fields”
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Observations
• High incidence observed in terms of # of holes & # of wireworm (some neonates, too)
• Visually, it is difficult to correlate the spring wireworm incidence and damage severity (in baits) with the wireworm damage (in potatoes) in the fall
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Wireworm Damage Assessment in all trials
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Early season holes/scars
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Late season holes
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2015 Wireworm Trials
• Insecticide Efficacy Trial
• Crop Rotation x Insecticide – 2 locations
• Mustard Variety Trials- 2 locations
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Insecticide Trial for
Wireworm Control – New Annan
TREATMENTS:
1. Untreated Check
2. Thimet
3. Capture in furrow
4. Capture in furrow + Capture layby
5. Capture in furrow + Titan seed treatment
6. Capture in furrow + Titan seed treatment
+ Capture layby
Results - Presented by Mark McMillan of FMC
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2015 Wireworm Trials
• Insecticide Efficacy Trial
• Crop Rotation x Insecticide – 2 locations
• Mustard Variety Trials- 2 locations
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Field History
• 2012 – potatoes
• 2013 – barley (wireworm-damaged)
• 2014 – crop rotation
• 2015 – potatoes
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Cropping System x Insecticide (2015)
2014 Cropping System
Treatment Color Rotation
1 Barley (control)
2 Mustard 199 inc + Mustard 199 inc
3 Mustard 199 inc + Buckwheat inc
4 Buckwheat inc + Buckwheat inc
5 Buckwheat inc + Mustard 199 inc
6 Spring fallow, harrow twice in July + Mustard 199 inc 14
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2014 Crop Rotation Trial
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• Each rotation strip 26ft wide.
• 75lbs of "N" and 12.5lbs of "S" per acre was applied pre-plant broadcast
• Seeding rate of Mustard ≈ 10lbs/ac
• Seeding rate of Buckwheat ≈ 40lbs/ac
• Seeding rate of Barley ≈ 100lbs/ac
Cropping Systems
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2015 Wireworm trials planted over the cropping system strips trial
• Located on Locke Shore Rd., Summerside
Co
ntro
l
Thim
et
Mo
cap 1
5G
Cap
ture
Alo
ne
Cap
ture
in Fu
rrow
+ Layb
y
6 rows per treatment
450 ft.
long
1 2 3 4 5
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2015 trials
Main Plot - Crop Rotation
Early season Hole
#
Late season Hole
#
Total Holes
#
Average Holes/Tuber
#
Total Tubers
Evaluated #
Barley 216.5 315.9 532.3 2.8 190.8
Buckwheat + Buckwheat
161.7 236.7 398.5 2.2 185.3
Buckwheat + Mustard 199
113.2 162.1 275.3 1.5 188.8
Mustard 199 + Mustard 199
136.3 171.7 308.1 1.6 192.0
Mustard 199 + Buckwheat
121.0 208.1 329.1 1.8 186.3
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MORE results of insecticide x crop
rotations will be discussed on April
13 during the Cavendish Farms
Spring Research Forum
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2015 Wireworm Trials
• Insecticide Efficacy Trial
• Crop Rotation x Insecticide – 2 locations
• Mustard Variety Trials- 2 locations
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I. Mustard Variety Trial (small plots)
• Plots are 25ft in length and 10ft in width (2 reps)
• 6 varieties
II. Mustard Variety Trial (commercial field)
• ~ 6 acres per variety
• 5 varieties
Objectives: To evaluate the growth & adaptation of the different varieties under PEI conditions
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Mustard Varieties
Caliente™ 199/ Nemat - “Arugula-mustard mix”
(Brassica juncea + Sinapsis alba) + (Eruca sativa)
Caliente 199 - “mustard mix”
(Brassica juncea +Sinapsis alba)
Cutlass “yellow mustard” -
(Brassica juncea )
Braco “white mustard” -
(Sinapsis alba)
Centennial “common brown mustard”
(Brassica juncea )
Pacific Gold “yellow Mighty Mustard™” – only in small research plots
(Brassica juncea )
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Mustard / Variety allyl mtb* Total glucs
unit
Centennial (Local Variety) 92.02 0 96.49 um/g
Caliente 199-Nemat 56.85 46.74 108.39 um/g
Caliente 199 97.51 0 103.94 um/g
*methylthiobutylglucosinolate
PEI Mustard SEED Samples
Glucosinolate Analysis
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Results of mustard variety trials will be
discussed on April 13 during the
Cavendish Farms Spring Research
Forum
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