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Wireworm Trials 1999
Conducted by
Keith Jarvi
Integrated Pest Management
Background information pertaining to wireworm experiment conducted on
the Jerry Echtenkamp field north of Wayne NE, 1999.
- Species: Wireworm, species not identified
Echtenkamp Agronomic
| Hybrid: |
Pioneer 3394 |
| Row Spacing: |
38 inches |
| Planting rate: |
17,500 seeds/acre |
| Planting Date: |
18 May |
| Planter: |
John Deere Maxemerge, 2 row |
| Planting Depth: |
2 inches |
| Field Preparation: |
Disked, 17 May |
| Previous Crop: |
Corn |
| Plot Direction: |
North-South |
| Irrigation: |
None |
- Experimental Design and Evaluation
Randomized complete block with 4 replications
1 row plots, 50 ft in length
Stand counts taken 7 June, 4 visible leaves on plant
30 ft length of row in middle of plot
Comments: This was a field that had some wireworm damage the previous year. Preseason trap
counts averaged 1 to 2 wireworms per plant.
Keith Jarvi, Wireworm, North of Wayne, NE 1999.
- All microtube in-furrow treatments applied at 19 psi with 1gal water per acre except
Regent MIF at 5 gal per acre
MIF - Modified in-furrow; flat fan bander turned parallel to row to spray in seed furrow
ahead of press wheels
MT - microtube
IF - in-furrow
ST - planter box seed treatment
Echtenkamp Wireworm Insecticide Trial 1999
Treatment |
Application Method |
Rate
Form/Acre |
Rate
AI/Acre |
Stand
Count |
| Counter 20 CR |
IF |
3 oz |
0.60 lb |
32.25 a |
| Wilfarm 508 #2 |
Pre-treated seed |
v |
v |
31.75 a |
| Warrior T |
MT IF |
1.9 oz in 1 gal
total solution |
0.015 |
31.50 a |
| Force 3 G |
IF |
2 oz |
0.06 lb |
31.25 a |
| Kernel Guard
Supreme |
ST |
v |
v |
30.75 ab |
| Pounce 3.2 EC |
MT IF |
2 oz in 1 gal
total solution |
0.05 lb |
30.50 ab |
| Wilfarm 507 #1 |
Pre-treated seed |
v |
v |
30.50 ab |
| Warrior T |
MT IF |
1.2 oz in 1 gal
total solution |
0.01 lb |
30.50 ab |
| Wilfarm 508 #1 |
Pre-treated seed |
v |
v |
30.00 ab |
| Aztec 2.1 G |
IF |
3.35 oz |
0.07 lb |
29.25 abc |
| Regent 4 SC |
MIF |
5 gallon/acre
total solution |
0.13 lb |
29.00 abc |
| Regent 4 SC |
MT IF |
1 gallon/acre
total solution |
0.07 lb |
29.00 abc |
| Untreated |
v |
v |
v |
28.75 abc |
| Regent 4 SC |
MT IF |
1 gallon/acre
total solution |
0.13 lb |
28.75 abc |
| Wilfarm 508 #3 |
Pre-treated seed |
v |
v |
26.75 bc |
| Pounce 1.5 G |
IF |
4 oz |
0.05 lb |
25.50 bc |
Means with the same letter are not significantly different: LSD = 4.2135; alpha = 0.05 |