July 24

OREGON
STATE
UNIVERSITY
POTATO UPDATE
Hermiston Agricultural Research and Extension Center
July 24, 2009
st
2121 South 1 Street, P.O. Box 105, Hermiston, Oregon 97838, T 541-567-8321 | F 541-567
567-2240
Silvia I. Rondon, Extension Entomologist ● Philip B. Hamm, Extension Plant Pathologist
Insect Trap Report
Serving Umatilla and Morrow Counties
Traps are collected on Thursdays.
PTW: Potato Tuberworm
BLH: Beet Leafhoppers
GPA: Green Peach Aphid
OA: Other Aphids
PA: Potato Aphids
OA
FYI
Population dynamics of PTW in the lower
Columbia Basin, OR 2009
14
12
10
8
6
4
2
7/23
7/16
7/9
7/2
6/25
0
6/11
0
12
15
16
12
2
3
4
0
0
2
0
0
2
4
5
0
8
5
2
0
0
5
0
3
0
0
0
0
0
0
4
2
→
0
0
6/18
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
00
0
0
0
0
0
0
0
0
0
0
0
→
0
0
6/4
GPA
5/28
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
→
0
0
5/21
PA
5/7
4
1
84
13
85
32
31
44
0
6
4
1
5
4
8
Missing
1
7
45
19
3
14
6
3
9
7
28
9
5
4
41
6
27
→
14
3
5/14
BLH
0
0
2
3
0
0
2
1
1
0
0
0
0
3
0
5
9
0
10
4
0
0
0
0
0
0
0
1
0
0
0
0
0
removed
0
41
4/30
PTW
4/23
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Mean PTW per trap per day
TRAP
Date
HAREC: http://oregonstate.edu/dept/hermiston/
HAREC Entomology Lab:
http://oregonstate.edu/dept/hermiston/entomologyhttp://oregonstate.edu/dept/hermiston/entomology
laboratory
LATE BLIGHT HOTLINE
1-800-705
705-3377
Agriculture, Family and Community Development, 44-H
H Youth, Forestry, Energy, and Extension Sea Grant Programs. Oregon State University, United States
Department of Agriculture, and Umatilla County cooperating. The Extension Service offers its programs and materials equally to all people.