APMTP, AIPMTP, orchard, 2010 Apple Survey - Codling Moth

Tree Fruit Research & Extension Center

Apple IPM Transition Project

Survey Results

2010 Apple Grower Survey

The 2010 Washington apple grower and manager pest management survey went out in January of 2011 to survey practices used during the 2010 crop season. Out of 2,155 eligible participants recieving surveys, about 25% choose to participate. Those surveyed made pest management descisions on a mean of 235 acres of apples. Summary results of this survey were analyzed Fall of 2011 and are now available to view online or download here.

Grower Survey Results
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Note on data interpretation: Some data tables include a field for "missing". "Missing" indicates that respondents chose not to answer that particular question in its entirety. Some tables include the additional field, "skipped". "Skipped" data can occur on questions where an answer was not applicable for the respondent, given their response to the preceding question.
B1: How frequently does codling moth cause unacceptable crop damage in the apple orchard(s) you own or manage?
 
Frequency of crop damage Frequency Percent
Never 135 25.8
Less than 1 out of every 5 years 145 27.7
About 1 out of every 5 years 81 15.5
About 2 out of every 5 years 54 10.3
About 3 out of every 5 years 33 6.3
About 4 out of every 5 years 12 2.3
Every year 63 12.0
Total 523 100
Missing = 23

 

 
B2: If no controls were applied for codling moth this year, what level of crop injury would you expect by harvest?
 
Level of crop injury Frequency Percent
Less than 1% 26 5.0
1-2% 30 5.8
3-5% 53 10.3
6-10% 65 12.6
More than 10% 341 66.2
Total 515 100
Missing = 31


 
B3a: During the 2010 growing season, did you use any OP insecticides as a control for codling moth?
 
OP Insecticide
Frequency Percent Missing
Guthion (azinphos methyl) 387 73.2 17
Imidan (phosmet) 98 18.6 20
Diazinon 34 6.5 9

 

 
B3b: If you used the following OP insecticides as a control for codling moth, please indicate the number of applications you used in 2008 (frequency with percent in parentheses).
 
Number of
applications
Guthion Imidan Diazinon
1 application 130 (34.0%) 58 (59.8%) 27 (79.4%)
2 applications 187 (49.0%) 30 (30.9%) 7 (20.6%)
3 applications 55 (14.4%) 7 (7.2%) 0 (0%)
4+ applications 10 (2.6%) 2 (2.1%) 0 (0%)
Total 382 97 34
Skipped 142 428 490
Missing 22 21 22

 

 
B4: Did your use of OP insecticides (Guthion, Diazinon, and Imidan) for codling moth control over the past three years (2008-2010) change?
 
Change in OP use Frequency Percent
My use of OP insecticides for codling moth control decreased over the past three years. 306 58.7
My use of OP insecticides for codling moth control remained about the same over the past three years. 156 29.9
My use of OP insecticides for codling moth control increased over the past three years. 11 2.1
I did not use OP insecticides over the past three years. 48 9.2
Total 521 100
Missing = 25

 

 
B5a: During the 2010 growing season, did you use the OP alternatives as a control for codling moth?
 
OP Alternative Frequency Percent Missing
Pheromones (mating disruption) 362 68.7 19
Assail (acetamiprid) 304 58.6 27
Delegate (spinetoram) 289 56.2 32
Horticultural spray oil 283 55.7 38
Altacor (rynaxypyr) 277 53.9 32
Intrepid (methoxyfenozide) 156 30.9 41
Calypso (thiacloprid) 81 16.1 42
Rimon (novaluron) 80 16.0 45
Esteem (pyriproxifen) 80 15.8 41
Entrust/Success (spinosad) 79 15.7 43
Warrior (lambda-cyhalothrin) 78 15.6 46
CM granulosis virus 47 9.4 46
Danitol (fenpropathrin) 10 2.0 45
Belt (flubendiamide) 10 2.0 46
Voliam Express (lambda-cyhalothrin + chlorantraniliprole) 5 1.0 43
Voliam Flexi (thimethoxam + chlorantraniliprole) 2 0.4 43
 

 

 
B5b: If you used the following OP alternatives as a control for codling moth, please indicate the number of applications you used in 2010 (frequency with percent in parentheses).
 
OP alternative 1 Application 2 Applsications 3 Apllications 4 + Applications Total Skipped Missing
Pheromones
342 (96.7%) 5 (1.5%) 3 (0.9%) 3 (0.9%) 335 165 46
Assail 198 (68.0%) 83 (28.5%) 8 (2.7%) 2 (0.7%) 291 215 40
Delegate 196 (71.0%) 70 (25.4%) 9 (3.3%) 1 (0.4%) 276 225 45
Horticultural
spray oil
149 (56.2%) 87 (32.8%) 24 (9.1%) 5 (1.9%) 265 224 57
Altacor 175 (66.3%) 82 (31.2%) 5 (1.9%) 2 (0.8%) 264 237 45
Intrepid 132 (89.8%) 8 (5.4%) 7 (4.8%) 0 (0%) 147 349 50
Calypso 61 (82.4%) 12 (16.4%) 1 (1.4%) 0 (0%) 74 423 49
Rimon 64 (83.1%) 11 (14.3%) 1 (1.3%) 1 (1.3%) 77 421 48
Esteem 64 (83.1%) 11 (14.3%) 2 (2.6%) 0 (0%) 77 424 45
Entrust/Success 52 (72.2%) 17 (23.6%) 2 (2.8%) 1 (1.4%) 72 423 51
Warrior 53 (69.7%) 17 (22.4%) 4 (5.3%) 2 (2.6%) 76 422 48
CM granulosis
virus
27 (60.0%) 11 (23.9%) 3 (6.7%) 5 (11.1%) 46 453 47
Danitol 5 (55.6%) 4 (44.4%) 0 (0%) 0 (0%) 9 491 46
Belt 8 (100%) 0 (0%) 0 (0%) 0 (0%) 8 490 48
Viliam Express 1 (100.0%) 0 (0%) 0 (0%) 0 (0%) 1 498 44
Voliam Flex 1 (100.0%) 0 (0%) 0 (0%) 0 (0%) 1 501 44
Other * 5 (83.3%) 0 (0%) 0 (0%) 1 (16.7%) 6 338 202

* Other (5): AgrMeck, Proclaim, Tourism, Fish oil, Puffers.

chart B 5b

 

 
B6: Did your use of OP alternatives (listed in the previous question) for codling moth control over the past three years (2008-2010) change?
 
OP alternative use Frequency Percent
My use of OP alternatives for codling moth control decreased over the past three years. 70 13.6
My use of OP alternatives for codling moth control remained about the same over the past three years. 186 36.3
My use of OP alternatives for codling moth control increased over the past three years. 240 46.8
I did not use OP alternatives for codling moth control over the past three years. 17 3.3
Total 513 100
Missing = 33
 
 
B7: Over the past three years (2008-2010) did codling moth injury in the apple orchard(s) you own or manage decrease, remain about the same, or increase?
 
Change in CM injury Frequency Percent
Codling moth injury decreased by more than 5% 66 12.2
Codling moth injury decreased by 2-5% 62 11.5
Codling moth injury remained about the same (± 0-2%) 328 60.9
Codling moth injury increased by 2-5% 59 10.9
Codling moth injury increased by more than 5% 24 4.5
Total 539 100
Missing = 7

 

 
B8: Over the past three years (2008-2010) did the cost of codling moth control in the apple orchard(s) you own or manage decrease, remain about the same, or increase?
 
Change in cost of CM control Frequency Percent
The cost of codling moth control decreased by more than 10% 13 2.4
The cost of codling moth control decreased by 3-10% 15 2.8
The cost of codling moth control remained about the same (± 0-3%) 105 19.5
The cost of codling moth control increased by 3-10% 228 42.3
The cost of codling moth control increased by more than 10% 178 33.0
Total 539 100
Missing = 7

 

 
B9: How many pheromone traps did you use per acre during the 2010 growing season?
 
Number of traps per acre Frequency Percent
1 trap per 2.5 acres or less 117 22.0
1 trap per 2.6-5 acres 151 28.4
1 trap per 5.1-10 acres 128 24.1
1 trap per 10.1 acres or more 53 10.0
I did not use pheromone traps during the 2010 growing season. 83 15.5
Total 532 100
Missing = 14

 

 
B10: How often did you use the IPM practices as part of your management program for codling moth? (frequency with percent in parentheses).
 
IPM tactic Never Rarely Occasionally Often Missing
Field monitoring for damage 12 (2.3%) 10 (1.9%) 75 (14.2%) 431 (81.6%) 18
Pheromone traps 66 (12.9%) 11 (2.2%) 38 (7.4%) 396 (77.5%) 35
Degree day models 56 (11.2%) 34 (6.8%) 106 (21.3%) 302 (60.6%) 48
Resistance management strategies 127 (26.7%) 29 (6.1%) 91 (19.2%) 228 (48.0%) 71
Delayed distribution of bins in orchard 122 (24.5%) 58 (11.7%) 79 (15.9%) 238 (47.9%) 49
Border sprays 140 (27.8%) 70 (13.9%) 153 (30.4%) 140 (27.8%) 43
Economic or treatment thresholds 167 (35.8%) 58 (12.4%) 113 (24.2%) 128 (27.5%) 80
Reduced pesticide rates 220 (45.7%) 92 (19.1%) 106 (22.0%) 63 (13.1%) 65
Biological controls (parasites or predators) 327 (68.8%) 55 (11.6%) 52 (10.9%) 41 (8.6%) 71
Alternate row spraying 281 (57.0%) 72 (14.6%) 99 (20.1%) 41 (8.3%) 53
Other * 48 (70.6%) 4 (5.9%) 1 (1.5%) 15 (22.1%) 478

* Other: Mating disruption/Pheromone strips/Puffers (13), Hand removal/Thin off damaged fruit/stings (3), Spray all rows (2), DA traps, Hot spot sprays (prop piles, cabins, wood piles, neighbors), Mineral oil every 10 d, More applications, Only roundup for weeds, Spray consultant, Use of sticker/extended with repeated treatments after significant rainfall.

 

 
B11: Did your use of the IPM practices as a control for codling moth change?
 
IPM tactic Did not use Decreased Same Increased Missing
Resistance management strategies 87 (18.0%) 14 (2.9%) 232 (48.0%) 150 (31.1%) 63
Pheromone traps 40 (7.7%) 19 (3.7%) 335 (64.8%) 123 (23.8%) 29
Degree day models 47 (9.4%) 14 (2.8%) 324 (65.1%) 113 (22.7%) 48
Field monitoring for damage 1.3 (2.5%) 20 (3.8%) 373 (68.3%) 118 (22.5%) 22
Border sprays 107 (21.3%) 22 (4.4%) 277 (55.1%) 97 (19.3%) 43
Delayed distribution of bins in orchard 96 (19.2%) 9 (1.8%) 327 (65.5%) 67 (13.4%) 47
Economic or treatment thresholds 121 (25.4%) 22 (4.6%) 284 (59.7%) 49 (10.3%) 70
Reduced pesticide rates 150 (30.7%) 26 (5.3%) 271 (55.5%) 41 (8.4%) 58
Biological controls (parasites or predators) 224 (46.6%) 18 (3.7%) 209 (43.5%) 30 (6.2%) 65
Alternate row spraying 205 (41.1%) 47 (9.4%) 207 (41.5%) 40 (8.0%) 47
Other * 34 (41.0%) 3 (3.6%) 41 (49.4%) 5 (6.0%) 463

* Other: Mating disruption/Pheromone strips/Puffers (8), DA traps, Every row spraying, Hot spot sprays, Mineral oil every 10d, More applications.

 

 
B12: What percentage of the apple acres you own or manage do your answers to Questions B1 through B11 (questions about codling moth) apply to?
 
Percentage of acreage Frequency Percent
1-10% 16 3.0
11-25% 12 2.3
26-50% 18 3.4
51-75% 22 4.2
76-99% 55 10.5
100% 402 76.6
Total 525 100
Missing = 21

 

 

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