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Blueberry | Vaccinium spp.
fruit fly | Drosophila melanogaster, spotted wing drosophila | Drosophila suzukii
Tolfenpyrad, 1H-Pyrazole-5-carboxamide, 4-chloro-3-ethyl-1-methyl-N-[[4-(4-methylphenoxy) phenyl]methyl]-, Malathion, O,O-dimethyl phosphorodithioate of diethyl mercaptosuccinate, Azadirachtin, Pyrethrin, Dimethyl, (Z)-(S)-2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl(1R,3R)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate, Cyclaniliprole, 3-bromo-N-[2-bromo-4-chloro-6[[(1-cyclopropylethyl)amino]carbonyl]phenyl]-1-(3-chloro-2-pyridinyl)-1H-3-pyrazole-5-carboxamide, Fenpropathrin, Alpha-cyano-3-phenoxybenzyl 2,2,3,3-tetramethylcyclopropanecarboxylate, Spinetoram, Spinosyn J, Spinosyn L, Cyantraniliprole, 3-bromo-1-(3-chloro-2-pyridinyl)-N-[4-cyano-2-methyl-6-[(methylamino)carbonyl]phenyl]-1H-pyrazole-5-carboxamide, Bifenthrin, (2-methyl[1,1'-biphenyl]-3-yl)methyl 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate, Phosmet, N-(mercaptomethyl) phthalimide, S-(O,O-dimethyl phosphorodithioate), Methomyl, (S-methyl-N-[(methylcarbamoyl)oxy]thioacetimidate), Spirotetramat, Cis-3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl-ethyl carbonate, Zeta-Cypermethrin, S-Cyano (3-phenoxyphenyl)methyl (+) cis/trans 3-(2,2-dichloroethenyl)-2,2 dimethylcyclopropane carboxylate; Insect Bait, Corn gluten meal, hydrolyzed, Pyrifluquinazon, 1-acetyl-1,2,3,4-tetrahydro-3-[(3-pyridylmethyl)amino]-6-[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]quinazolin-2-one, Non-ionic surfactant, Alkylphenol ethoxylate, butyl alcohol, dimethylpolysiloxane, Alkyl aryl polyoxyethylene, ethoxylated alcohols, aliphatic acid, Organic pH buffer, Aliphatic Polycarboxylate, calcium chloride, Veratran, Sabadilla alkaloids

This trial was conducted to evaluate the efficacy of several rates and timings of various insecticides against Diptera pests in blueberry. Two bush plots were established in a mature “Jersey” blueberry planting (4 by 12 ft spacing) at the Nye farm, located approximately 3 miles South West of Trevor Nichols Research Center in Fennville, MI. Treatment plots were replicated four times and set up in an RCB design. Applications began 23 July at first trap catch and were reapplied on 7-d covers until August 27. Test materials were applied with a FMC 1029 airblast sprayer calibrated to deliver 50 gpa at 2.5 mph. No foliar maintenance pesticides were applied to the test plots during the trial.

Fruit was hand harvested on 31 July, 13 August, 22 August, and 28 August. Samples were weighed in grams, with weights then converted to pounds. The fruit samples were evaluated through the Washington State Department of Agriculture brown sugar method as follows. Blueberries were crushed in a solution of 7 lbs brown sugar to 5 gallons water. The larvae were allowed to float and subsequently counted. DFF were collected and reared to determine percent SWD. Because of differences in sample sizes, data are presented as pupae per pound of fruit. All data were analyzed using analysis of variance and means separation by Tukey’s HSD at P  = 0.05.

All treatments provided significant fruit protection from SWD on the 22 August evaluation ( Table 1 ). Only Imidan-Danitol-Delegate-Lannate-Mustang Max, Hero, Cyclaniliprole (16.4 oz) and Apta + Pyrifluquina treatments significantly reduced WSD infestations at the 28 August evaluation. There were no significant differences compared with the control in the 31 July and 13 August evaluations.

SampleNo. SWDSampleNo. SWD
Treatment/RateAppl.weight (g) per 10 g fruit aweight (g) per 10 g fruit a
formulationproduct/acre timing b22 Aug22 Aug28 Aug28 Aug
Untreated674.61.6 a475.45.4 a
Imidan 70 WP1.33 lbAE748.40.1 b492.10.4 b
Tri-Fol L0.0625% vol/volAE
Danitol 2.4 EC16 fl ozB
Delegate 25 WG6 ozC
Lannate 2.4 L3 ptD
Mustang Max EC4 fl ozF
Imidan 70 WP1.33 lbAE728.10.4 b235.85.0 ab
Tri-Fol L0.0625% vol/volAE
New-Lure L2 ptABCDEF
Danitol 2.4 EC16 fl ozB
Delegate 25 WG6 ozC
Lannate 2.4 L3 ptD
Mustang Max EC4 fl ozF
Exirel 10 SE13.5 fl ozAB749.50.3 b586.60.4 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Lannate LV 2.4 SL3 ptCD
Mustang Max EC4 fl ozEF
Lannate LV 2.4 SL3 ptAB704.90.1 b518.90.7 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Exirel 10 SE13.5 fl ozCD
Mustang max EC4 fl ozEF
Delegate 25 WG6 ozAB668.10.0 b452.70.6 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Lannate LV 2.4 SL3 ptCD
Mustang max EC4 fl ozEF
Movento 240 SC6 fl ozABCDEF727.70.1 b539.50.6 ab
R-11 90 EC0.5 % vol/volABCDEF
Movento 240 SC9 fl ozABCDEF766.80.2 b594.40.7 ab
R-11 90 EC0.5 % vol/volABCDEF
ATRAPA EC40 fl ozABCDEF760.80.1 b197.31.4 ab
Hero L10.3 fl ozABEF765.40.6 b516.52.0 ab
Mustang max EC4 fl ozCD
Hero L6.4 fl ozABCDEF783.50.1 b261.20.3 b
Cyclaniliprole 50 SL16.4 fl ozABCDEF711.20.1 b397.40.3 b
Cyclaniliprole 50 SL22 fl ozABCDEF796.70.1 b243.60.8 ab
Veratran D WG15 lbABCDEF780.90.6 b393.21.6 ab
Veratran D WG15 lbABCDEF722.80.3 b417.70.8 ab
Azera EC56 fl ozABCDEF
Apta 15 SC24 fl ozABCDEF764.20.3 b350.70.5 ab
R-11 90 EC0.25 % vol/volABCDEF
Apta 15 SC24 fl ozABCDEF713.70.0 b365.60.4 b
Pyrifluquinazon 20SC3.2 fl ozABCDEF
R-11 90 EC0.25 % vol/volABCDEF
Pyrifluquinazon 20SC3.2 fl ozABCDEF768.60.1 b326.00.7 ab
R-11 90 EC0.25 % vol/volABCDEF
SampleNo. SWDSampleNo. SWD
Treatment/RateAppl.weight (g) per 10 g fruit aweight (g) per 10 g fruit a
formulationproduct/acre timing b22 Aug22 Aug28 Aug28 Aug
Untreated674.61.6 a475.45.4 a
Imidan 70 WP1.33 lbAE748.40.1 b492.10.4 b
Tri-Fol L0.0625% vol/volAE
Danitol 2.4 EC16 fl ozB
Delegate 25 WG6 ozC
Lannate 2.4 L3 ptD
Mustang Max EC4 fl ozF
Imidan 70 WP1.33 lbAE728.10.4 b235.85.0 ab
Tri-Fol L0.0625% vol/volAE
New-Lure L2 ptABCDEF
Danitol 2.4 EC16 fl ozB
Delegate 25 WG6 ozC
Lannate 2.4 L3 ptD
Mustang Max EC4 fl ozF
Exirel 10 SE13.5 fl ozAB749.50.3 b586.60.4 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Lannate LV 2.4 SL3 ptCD
Mustang Max EC4 fl ozEF
Lannate LV 2.4 SL3 ptAB704.90.1 b518.90.7 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Exirel 10 SE13.5 fl ozCD
Mustang max EC4 fl ozEF
Delegate 25 WG6 ozAB668.10.0 b452.70.6 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Lannate LV 2.4 SL3 ptCD
Mustang max EC4 fl ozEF
Movento 240 SC6 fl ozABCDEF727.70.1 b539.50.6 ab
R-11 90 EC0.5 % vol/volABCDEF
Movento 240 SC9 fl ozABCDEF766.80.2 b594.40.7 ab
R-11 90 EC0.5 % vol/volABCDEF
ATRAPA EC40 fl ozABCDEF760.80.1 b197.31.4 ab
Hero L10.3 fl ozABEF765.40.6 b516.52.0 ab
Mustang max EC4 fl ozCD
Hero L6.4 fl ozABCDEF783.50.1 b261.20.3 b
Cyclaniliprole 50 SL16.4 fl ozABCDEF711.20.1 b397.40.3 b
Cyclaniliprole 50 SL22 fl ozABCDEF796.70.1 b243.60.8 ab
Veratran D WG15 lbABCDEF780.90.6 b393.21.6 ab
Veratran D WG15 lbABCDEF722.80.3 b417.70.8 ab
Azera EC56 fl ozABCDEF
Apta 15 SC24 fl ozABCDEF764.20.3 b350.70.5 ab
R-11 90 EC0.25 % vol/volABCDEF
Apta 15 SC24 fl ozABCDEF713.70.0 b365.60.4 b
Pyrifluquinazon 20SC3.2 fl ozABCDEF
R-11 90 EC0.25 % vol/volABCDEF
Pyrifluquinazon 20SC3.2 fl ozABCDEF768.60.1 b326.00.7 ab
R-11 90 EC0.25 % vol/volABCDEF

Means followed by same letter within columns do not significantly differ ( P > 0.05, Tukey’s HSD). Analysis of variance (ANOVA) performed on log transformed data; data presented are actual counts.

a ANOVA may not be valid as the data failed Bartlett’s test for homogeneity.

b A = 23 July (first trap catch), B = 30 July (A + 7 d), C = 6 Aug (B + 7 d), D = 13 Aug (C + 7 d), E = 20 Aug (D + 7 d), F = 27 Aug (E + 7 d).

SampleNo. SWDSampleNo. SWD
Treatment/RateAppl.weight (g) per 10 g fruit aweight (g) per 10 g fruit a
formulationproduct/acre timing b22 Aug22 Aug28 Aug28 Aug
Untreated674.61.6 a475.45.4 a
Imidan 70 WP1.33 lbAE748.40.1 b492.10.4 b
Tri-Fol L0.0625% vol/volAE
Danitol 2.4 EC16 fl ozB
Delegate 25 WG6 ozC
Lannate 2.4 L3 ptD
Mustang Max EC4 fl ozF
Imidan 70 WP1.33 lbAE728.10.4 b235.85.0 ab
Tri-Fol L0.0625% vol/volAE
New-Lure L2 ptABCDEF
Danitol 2.4 EC16 fl ozB
Delegate 25 WG6 ozC
Lannate 2.4 L3 ptD
Mustang Max EC4 fl ozF
Exirel 10 SE13.5 fl ozAB749.50.3 b586.60.4 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Lannate LV 2.4 SL3 ptCD
Mustang Max EC4 fl ozEF
Lannate LV 2.4 SL3 ptAB704.90.1 b518.90.7 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Exirel 10 SE13.5 fl ozCD
Mustang max EC4 fl ozEF
Delegate 25 WG6 ozAB668.10.0 b452.70.6 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Lannate LV 2.4 SL3 ptCD
Mustang max EC4 fl ozEF
Movento 240 SC6 fl ozABCDEF727.70.1 b539.50.6 ab
R-11 90 EC0.5 % vol/volABCDEF
Movento 240 SC9 fl ozABCDEF766.80.2 b594.40.7 ab
R-11 90 EC0.5 % vol/volABCDEF
ATRAPA EC40 fl ozABCDEF760.80.1 b197.31.4 ab
Hero L10.3 fl ozABEF765.40.6 b516.52.0 ab
Mustang max EC4 fl ozCD
Hero L6.4 fl ozABCDEF783.50.1 b261.20.3 b
Cyclaniliprole 50 SL16.4 fl ozABCDEF711.20.1 b397.40.3 b
Cyclaniliprole 50 SL22 fl ozABCDEF796.70.1 b243.60.8 ab
Veratran D WG15 lbABCDEF780.90.6 b393.21.6 ab
Veratran D WG15 lbABCDEF722.80.3 b417.70.8 ab
Azera EC56 fl ozABCDEF
Apta 15 SC24 fl ozABCDEF764.20.3 b350.70.5 ab
R-11 90 EC0.25 % vol/volABCDEF
Apta 15 SC24 fl ozABCDEF713.70.0 b365.60.4 b
Pyrifluquinazon 20SC3.2 fl ozABCDEF
R-11 90 EC0.25 % vol/volABCDEF
Pyrifluquinazon 20SC3.2 fl ozABCDEF768.60.1 b326.00.7 ab
R-11 90 EC0.25 % vol/volABCDEF
SampleNo. SWDSampleNo. SWD
Treatment/RateAppl.weight (g) per 10 g fruit aweight (g) per 10 g fruit a
formulationproduct/acre timing b22 Aug22 Aug28 Aug28 Aug
Untreated674.61.6 a475.45.4 a
Imidan 70 WP1.33 lbAE748.40.1 b492.10.4 b
Tri-Fol L0.0625% vol/volAE
Danitol 2.4 EC16 fl ozB
Delegate 25 WG6 ozC
Lannate 2.4 L3 ptD
Mustang Max EC4 fl ozF
Imidan 70 WP1.33 lbAE728.10.4 b235.85.0 ab
Tri-Fol L0.0625% vol/volAE
New-Lure L2 ptABCDEF
Danitol 2.4 EC16 fl ozB
Delegate 25 WG6 ozC
Lannate 2.4 L3 ptD
Mustang Max EC4 fl ozF
Exirel 10 SE13.5 fl ozAB749.50.3 b586.60.4 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Lannate LV 2.4 SL3 ptCD
Mustang Max EC4 fl ozEF
Lannate LV 2.4 SL3 ptAB704.90.1 b518.90.7 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Exirel 10 SE13.5 fl ozCD
Mustang max EC4 fl ozEF
Delegate 25 WG6 ozAB668.10.0 b452.70.6 ab
SS 7000 70 EC0.125 % vol/volABCDEF
Lannate LV 2.4 SL3 ptCD
Mustang max EC4 fl ozEF
Movento 240 SC6 fl ozABCDEF727.70.1 b539.50.6 ab
R-11 90 EC0.5 % vol/volABCDEF
Movento 240 SC9 fl ozABCDEF766.80.2 b594.40.7 ab
R-11 90 EC0.5 % vol/volABCDEF
ATRAPA EC40 fl ozABCDEF760.80.1 b197.31.4 ab
Hero L10.3 fl ozABEF765.40.6 b516.52.0 ab
Mustang max EC4 fl ozCD
Hero L6.4 fl ozABCDEF783.50.1 b261.20.3 b
Cyclaniliprole 50 SL16.4 fl ozABCDEF711.20.1 b397.40.3 b
Cyclaniliprole 50 SL22 fl ozABCDEF796.70.1 b243.60.8 ab
Veratran D WG15 lbABCDEF780.90.6 b393.21.6 ab
Veratran D WG15 lbABCDEF722.80.3 b417.70.8 ab
Azera EC56 fl ozABCDEF
Apta 15 SC24 fl ozABCDEF764.20.3 b350.70.5 ab
R-11 90 EC0.25 % vol/volABCDEF
Apta 15 SC24 fl ozABCDEF713.70.0 b365.60.4 b
Pyrifluquinazon 20SC3.2 fl ozABCDEF
R-11 90 EC0.25 % vol/volABCDEF
Pyrifluquinazon 20SC3.2 fl ozABCDEF768.60.1 b326.00.7 ab
R-11 90 EC0.25 % vol/volABCDEF

Means followed by same letter within columns do not significantly differ ( P > 0.05, Tukey’s HSD). Analysis of variance (ANOVA) performed on log transformed data; data presented are actual counts.

a ANOVA may not be valid as the data failed Bartlett’s test for homogeneity.

b A = 23 July (first trap catch), B = 30 July (A + 7 d), C = 6 Aug (B + 7 d), D = 13 Aug (C + 7 d), E = 20 Aug (D + 7 d), F = 27 Aug (E + 7 d).

* This research was supported by industry gift(s) of pesticides and/or research funding.

Author notes

Subject Editor: John C. Wise

© The Author 2015. Published by Oxford University Press on behalf of the Entomological Society of America.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/4.0/ ), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact [email protected]
Issue Section:
Test > Hosts > Pests > Materials > bifenthrin > Malathion > non-ionic surfactant > Pyrifluquinazon > Spinetoram > Cyclaniliprole > spirotetramat > phosmet > methomyl > 3-bromo-N-[2-bromo-4-chloro-6[[(1-cyclopropylethyl)amino]carbonyl]phenyl]-1-(3-chloro-2-pyridinyl)-1H-3-pyrazole-5-carboxamide > Organic pH buffer > Aliphatic Polycarboxylate > calcium chloride > Cyantraniliprole > fruit fly | Drosophila melanogaster > spotted wing drosophila | Drosophila suzukii > 3-bromo-1-(3-chloro-2-pyridinyl)-N-[4-cyano-2-methyl-6-[(methylamino)carbonyl]phenyl]-1H-pyrazole-5-carboxamide > Cis-3-(2,5-dimethylphenyl)-8-methoxy-2-oxo-1-azaspiro[4.5]dec-3-en-4-yl-ethyl carbonate > Alkylphenol ethoxylate > butyl alcohol > dimethylpolysiloxane > Alkyl aryl polyoxyethylene > ethoxylated alcohols > aliphatic acid > sabadilla alkaloids > Blueberry | Vaccinium spp. > Azadirachtin > zeta-cypermethrin > alpha-cyano-3-phenoxybenzyl 2,2,3,3-tetramethylcyclopropanecarboxylate > Fenpropathrin > Tolfenpyrad, 1H-Pyrazole-5-carboxamide, 4-chloro-3-ethyl-1-methyl-N-[[4-(4-methylphenoxy) phenyl]methyl]- > O,O-dimethyl phosphorodithioate of diethyl mercaptosuccinate > Pyrethrin > Dimethyl > (Z)-(S)-2-methyl-4-oxo-3-(penta-2,4-dienyl)cyclopent-2-enyl(1R,3R)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate > Spinosyn J > Spinosyn L > (2-methyl[1,1'-biphenyl]-3-yl)methyl 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate > N-(mercaptomethyl) phthalimide, S-(O,O-dimethyl phosphorodithioate) > (S-methyl-N-[(methylcarbamoyl)oxy]thioacetimidate) > S-Cyano (3-phenoxyphenyl)methyl (+) cis/trans 3-(2,2-dichloroethenyl)-2,2 dimethylcyclopropane carboxylate; Insect Bait > Corn gluten meal > hydrolyzed > 1-acetyl-1,2,3,4-tetrahydro-3-[(3-pyridylmethyl)amino]-6-[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]quinazolin-2-one > Veratran
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