Survey Results
2009 Field Season Consultant Survey
The 2009 Field Season Consultant Survey was mailed out in January 2010. The results of that survey are now available for viewing online here or you can download the written report. The results of this survey will be compared to the 2007 Field Season Consultant Survey and compiled. A report of compariative findings will be posted when complete.
2009 Consultant Survey Results
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C1: How frequently do leafrollers cause unacceptable crop damage in the apple orchard(s) for which you make recommendations?
| |
Frequency |
Percent |
| Never |
21 |
17.5 |
| Less than 1 out of every 5 years |
62 |
51.7 |
| About 1 out of every 5 years |
17 |
14.2 |
| About 2 out of every 5 years |
9 |
7.5 |
| About 3 out of every 5 years |
4 |
3.3 |
| About 4 out of every 5 years |
5 |
4.2 |
| Every year |
2 |
1.6 |
| Total |
120 |
100.0 |
Missing = 0 |
|
 |
C2: If no controls were applied for leafroller this year, what level of crop injury would you expect by harvest?
| |
Frequency |
Percent |
| Less than 1% |
11 |
9.2 |
| 1-2% |
19 |
16.0 |
| 3-5% |
32 |
26.9 |
| 6-10% |
22 |
18.5 |
| More than 10% |
35 |
29.4 |
| Total |
119 |
100.0 |
| Missing = 1 |
|
 |
C3a: During the 2009 growing season, did you recommend the following OP insecticides as a control for leafrollers?
| |
Frequency |
Percent |
| Lorsban (chlorpyrifos) |
72 |
61.0 |
| Guthion (azinphos methyl) |
6 |
5.1 |
| Imidan (phosmet) |
5 |
4.2 |
| Diazinon |
3 |
2.5 |
Missing = 2 |
|
 |
C3b: If you recommended the following OP insecticides as a control for leafrollers, please indicate the number of applications recommended for a typical orchard in 2009 (frequency, with percent in parentheses).
| Number of applications |
Lorsban |
Guthion |
Imidan |
Diazinon |
| 1 application |
68 (94.4%) |
2 (33.3%) |
2 (40.0%) |
2
(66.7%) |
| 2 applications |
2
(2.8%) |
2 (33.3%) |
30 (60.0%) |
1
(33.3%) |
| 3 applications |
1
(1.4%) |
2 (33.3%) |
0
(0.0%) |
0
(0.0%) |
| 4+ applications |
1
(1.4%) |
0
(0.0%) |
0
(0.0%) |
0
(0.0%) |
| Total |
72 |
6 |
5 |
3 |
| Skipped |
0 |
0 |
0 |
0 |
| N/A |
48 |
114 |
115 |
117 |
|
 |
C4: Did your use of OP insecticides (Guthion, Lorsban, Diazinon, and Imidan) for leafroller control decrease, remain about the same, or increase over the past three years (2007–2009)?
| |
Frequency |
Percent |
| My recommendation of OP insecticides for leafroller control decreased over the past three years |
40 |
33.9 |
| My recommendation of OP insecticides for leafroller control remained about the same over the past three years |
47 |
39.8 |
| My recommendation of OP insecticides for leafroller control increased over the past three years |
2 |
1.7 |
| I did not recommend OP insecticides in 2007–2009 |
29 |
24.6 |
| Total |
118 |
100.0 |
| Missing = 2 |
|
 |
C5a: During the 2009 growing season, did you recommend any of the following OP alternatives as a control for leafroller?
| Insecticide |
Frequency |
Percent |
| Delegate (spinetoram) |
89 |
75.4 |
| Intrepid (methoxyfenozide) |
73 |
61.9 |
| Altacor (rynaxypyr) |
73 |
61.9 |
| Entrust/Success (spinosad) |
68 |
57.6 |
| Proclaim (emamectin benzoate) |
54 |
45.8 |
| Horticultural spray oil |
43 |
36.4 |
| Bt (Bacillus thuringiensis) |
43 |
36.4 |
| Esteem (pyriproxifen) |
39 |
33.1 |
| Rimon (novaluron) |
38 |
32.2 |
| Pheromones (mating disruption) |
22 |
18.6 |
| Warrior (lambda cyhalothrin) |
10 |
8.5 |
| Belt (flubendiamide) |
5 |
4.2 |
| Danitol (fenpropathrin) |
2 |
1.7 |
| Voliam Flexi |
1 |
0.8 |
| Voliam Express |
1 |
0.8 |
| Other |
1 |
0.8 |
| Missing = 2 |
|
 |
C5b: If you recommended the following OP alternatives as a control for leafroller, please indicate the number of applications you recommended for a typical orchard in 2009 (frequency, with percent in parentheses).
| |
Number of applications |
|
|
|
| Insecticide |
1 |
2 |
3 |
4+ |
Total |
Skipped |
N/A |
| Delegate (spinetoram) |
55 61.8%) |
31 (34.8%) |
2 (2.3%) |
1 (1.1%) |
89 (100%) |
0 |
31 |
| Intrepid (methoxyfenozide) |
61 (85.9%) |
5 (7.1%) |
1 (1.4%) |
4 (5.6%) |
71 (100%) |
2 |
47 |
| Altacor (rynaxypyr) |
45 (62.5%) |
24 (33.3%) |
2 (2.8%) |
1 (1.4%) |
72 (100%) |
1 |
47 |
| Entrust/Success (spinosad) |
45 (68.2%) |
19 (28.8%) |
0 (0.0%) |
2 (3.0%) |
66 (100%) |
2 |
52 |
| Proclaim (emamectin benzoate) |
48 (90.6%) |
4 (7.5%) |
0 (0.0%) |
1 (1.9%) |
53 (100%) |
1 |
66 |
| Horticultural spray oil |
19 (47.5%) |
8 (20.0%) |
7 (17.5%) |
6 (15.0%) |
40 (100%) |
3 |
77 |
| Bt (Bacillus thuringiensis) |
15 (34.9%) |
21 (48.8%) |
5 (11.6%) |
2 (4.7%) |
43 (100%) |
0 |
77 |
| Esteem (pyrifoxen) |
34 (89.5%) |
3 (7.9%) |
0 (0.0%) |
1 (2.6%) |
38 (100%) |
1 |
81 |
| Rimon (novaluron) |
26 (68.4%) |
10 (26.4%) |
1 (2.6%) |
1 (2.6%) |
38 (100%) |
0 |
82 |
| Pheromones (mating disruption) |
16 (72.7%) |
5 (22.7%) |
1 (4.6%) |
0 (0.0%) |
22 (100%) |
0 |
98 |
| Warrior (lambda-cyhalothrin) |
7 (77.8%) |
2 (22.2%) |
0 (0.0%) |
0 (0.0%) |
9 (100%) |
1 |
110 |
| Belt (flubendiamide) |
5 (100.0%) |
0 (0.0%) |
0 (0.0%) |
0 (0.0%) |
5 (100%) |
0 |
115 |
| Danitol (fenpropathrin) |
2 (100%) |
0 (0.0%) |
0 (0.0%) |
0 (0.0%) |
2 (100%) |
0 |
118 |
| Voliam Flexi |
1 (100%) |
0 (0.0%) |
0 (0.0%) |
0 (0.0%) |
1 (100%) |
0 |
119 |
| Voliam Express |
0 (0.0%) |
1 (100%) |
0 (0.0%) |
0 (0.0%) |
1 (100%) |
0 |
119 |
| Other |
0 (0.0%) |
1 (100%) |
0 (0.0%) |
0 (0.0%) |
1 (100%) |
0 |
119 |
|
|
|
C6: Did your recommendations of OP alternatives (listed in Question C5) for leafroller control decrease, remain about the same, or increase over the past three years (2007–2009)?
| |
Frequency |
Percent |
| My recommendation of OP alternatives for leafroller control decreased over the past three years. |
14 |
12.0 |
| My recommendation of OP alternatives for leafroller control remained about the same over the past three years. |
53 |
45.3 |
| My recommendation of OP alternatives for leafroller control increased over the past three years. |
43 |
36.7 |
| I did not recommend OP alternatives for leafroller control in 2007–2009. |
7 |
6.0 |
| Total |
117 |
100.0 |
| Missing = 3 |
|
 |
C7: Over the past three years did leafroller injury in the apple orchard(s) for which you make recommendations decrease,increase, or remain about the same?
| |
Frequency |
Percent |
| Leafroller injury decreased by more than 5% |
25 |
21.2 |
| Leafroller injury decreased by 2–5% |
33 |
28.0 |
| Leafroller injury remained about the same (± 0–2%) |
55 |
46.6 |
| Leafroller injury increased by 2–5% |
5 |
4.2 |
| Leafroller injury increased by more than 5% |
0 |
0.0 |
| Total |
118 |
100.0 |
| Missing = 2 |
|
 |
C8: Over the past three years did the cost of leafroller control in the apple orchard(s) for which you make
recommendations decrease, increase, or remain about the same?
| |
Frequency |
Percent |
| The cost of leafroller control decreased by more than 10% |
3 |
2.6 |
| The cost of leafroller control decreased by 3–10% |
10 |
8.5 |
| The cost of leafroller control remained about the same (± 0–3%) |
45 |
38.5 |
| The cost of leafroller control increased by 3–10% |
48 |
41.0 |
| The cost of leafroller control increased by more than 10% |
11 |
9.4 |
| Total |
117 |
100.0 |
| Missing = 3 |
|
|
C9: How often did you recommend the following IPM practices as part of your consulting program for leafrollers?
| IPM tactic |
Never |
Rarely |
Occasionally |
Often |
Missing |
| Field monitoring for damage |
1 (0.9%) |
5 (4.3%) |
10 (8.5%) |
101 (86.3%) |
3 |
| Resistance management strategies |
4 (3.5%) |
5 (4.3%) |
20 (17.2%) |
87 (75.0%) |
4 |
| Degree day models |
3 (2.5%) |
11 (9.4%) |
25 (21.4%) |
78 (66.7%) |
3 |
| Economic or treatment thresholds |
17 (14.5%) |
14 (12.0%) |
44 (37.6%) |
42 (35.9%) |
3 |
| Pheromone traps |
22 (18.8%) |
25 (21.4%) |
28 (23.9%) |
42 (35.9%) |
3 |
| Biological controls (parasites or predators) |
59 (50.9%) |
23 (19.8%) |
23 (19.8%) |
11 (9.5%) |
4 |
| Border sprays |
66 (56.4%) |
21 (17.9%) |
20 (17.1%) |
10 (8.6%) |
3 |
| Reduced pesticide rates |
72 (61.5%) |
27 (23.1%) |
15 (12.8%) |
3 (2.6%) |
3 |
| Alternate row spraying |
77 (66.9%) |
24 (20.9%) |
14 (12.2%) |
0 (0.0%) |
5 |
| Other |
7 (87.5%) |
0 (0.0%) |
0 (0.0%) |
1 (12.5%) |
112 |
|
 |
C10: Did your recommendations of the IPM practices (listed in Question C9) as a control for leafroller decrease, remain the same, or increase over the past three years (2007–2009)? (frequency, with percent in parentheses)
| IPM tactic |
Did not use |
Decreased |
Same |
Increased |
Missing |
| Resistance management strategies |
4 (3.4%) |
2 (1.7%) |
61 (51.2%) |
52 (43.7%) |
1 |
| Degree day models |
3 (2.5%) |
2 (1.7%) |
69 (58.0%) |
45 (37.8%) |
1 |
| Field monitoring for damage |
1 (0.8%) |
3 (2.5%) |
88 (74.0%) |
27 (22.7%) |
1 |
| Economic or treatment thresholds |
15 (12.7%) |
4 (3.4%) |
75 (63.6%) |
24 (20.3%) |
2 |
| Pheromone traps |
23 (19.3%) |
5 (4.2%) |
70 (58.8%) |
21 (17.7%) |
1 |
| Biological controls (parasites or predators) |
47 (39.5%) |
0 (0.0%) |
60 (50.4%) |
12 (10.1%) |
1 |
| Border sprays |
48 (40.3%) |
6 (5.1%) |
55 (46.2%) |
10 (8.4%) |
1 |
| Reduced pesticide rates |
59 (49.6%) |
14 (11.7%) |
39 (32.8%) |
7 (5.9%) |
1 |
| Alternate row spraying |
61 (51.2%) |
9 (7.6%) |
42 (35.3%) |
7 (5.9%) |
1 |
| Other |
4 (50.0%) |
0 (0.0%) |
4 (50.0%) |
0 (0.0%) |
112 |
|
 |
C11: What percentage of the apple acres for which you make recommendations do your answers to Questions C1 through C10 (questions about leafrollers) apply to?
| |
Frequency |
Percent |
| 1-10% |
1 |
0.9 |
| 11-25% |
5 |
4.2 |
| 26-50% |
7 |
5.9 |
| 51-75% |
18 |
15.1 |
| 76-99% |
43 |
36.1 |
| 100% |
45 |
37.8 |
| Total |
119 |
100.0 |
| Missing = 1 |
|
 |
