2014: fine tuning the fumigant system stanley culpepper, university of georgia tifton campus
TRANSCRIPT
![Page 1: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/1.jpg)
2014: Fine Tuning The Fumigant System
Stanley Culpepper,
University of Georgia
Tifton Campus
![Page 2: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/2.jpg)
Potential MB Fumigant Alternatives
1. UGA 3-WAY
2. Paladin Pic
3. Trifecta
4. Pic Chlor 60
![Page 3: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/3.jpg)
Production Goal
3 to 6 Crops1
or 2
Cro
ps
FUMIGANT OPTIONS FUMIGANT OPTIONS
![Page 4: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/4.jpg)
Fumigant Research 2013 and Fumigant Research 2013 and 20142014
Distance between sites: 67 miles
![Page 5: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/5.jpg)
Potential MB Fumigant Alternatives
1. UGA 3-WAY
2. Paladin Pic
3. Trifecta
4. Pic Chlor 60
![Page 6: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/6.jpg)
UGA 3-WAY Telone/Pic/Metam
Metam = 4 in. (75 G)
Chloropicrin = 8 in. (150 lb)
Telone II = 12 in. (12 G)
Ideal Placement
Metam = 4 in. (75 G)
Pic Chlor 60 = 8 in. (21 G)
More Common
Applicators used to inject metam 4” deep and 4” apart in the final bed
![Page 7: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/7.jpg)
Nutsedge response to the 3-WAY. Tift Co., 2013.
0
20
40
60
80
100
Plots were 1 bed by 150 feet. Fall soil temp 84. (Veg 43-13)
LDPE VIF TIF
91 b89 b99 a
%
160 plant/A464 plant/A494 plant/A
82,460 plant/A check
![Page 8: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/8.jpg)
Nutsedge response to the 3-WAY. Echols Co., 2013.
0
20
40
60
80
100
Plots were 1 bed by 150 feet. Spring soil temp 64. (Veg 13-13)
LDPE VIF TIF
85 b
65 c
97 a
%
290 plant/A6960 plant/A37,265 plant/A
319,250 plant/A check
![Page 9: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/9.jpg)
3-WAY; LDPECheck
UGA 3-WAY. Fall 2013. Tift Co.
![Page 10: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/10.jpg)
3-WAY; TIF Check
UGA 3-WAY. Fall 2013. Tift Co.
![Page 11: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/11.jpg)
UGA 3-WAY
GA/FL Line (sands)Light to Severe: UGA 3-WAY TIF
Herbicide NOT Required
(would still suggest Dual Topical for pepper)
Rates Driven By Nutsedge Populations
![Page 12: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/12.jpg)
UGA 3-WAY
Herbicide NOT Required
(would still suggest Dual Topical)
Rates Driven By Nutsedge Populations
FALL: South GA (loamy sands)Light : 3-WAY LDPEModerate to Severe: 3-WAY TIF
SPRING: South GA (loamy sands)Light to Moderate: 3-WAY LDPESevere: 3-WAY TIF
![Page 13: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/13.jpg)
Pic Chlor 60
1. UGA 3-WAY
2. Paladin Pic
3. Trifecta
4. Pic Chlor 60
![Page 14: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/14.jpg)
Nutsedge response to the Pic Chlor 60. Tift Co., 2013.
0
20
40
60
80
100
Plots were 1 bed by 150 feet. Spring soil temp 58F. (Veg 14-13)
VIF TIF
83 b
61 b
95 a
%
1740 plant/A9425 plant/A23,925 plant/A
36,685 plant/A check
82 b
11,890 plant/A
21 GPA 28 GPA 21 GPA 28 GPA
![Page 15: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/15.jpg)
Nutsedge response to the Pic Chlor 60. Echols Co., 2013.
0
20
40
60
80
100
Plots were 1 bed by 150 feet. Spring soil temp 64. (Veg 13-13)
18 b
84 a
%
29,870 plant/A248,820 plant/A
28 GPAVIF
28 GPATIF
319,250 plant/A check
![Page 16: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/16.jpg)
Pic Chlor 60
Light to Moderate: 28 G (340 lb) TIF
Moderate to Severe: 28 GPA TIF
Herbicide System Required
Rates Driven By Nutsedge
![Page 17: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/17.jpg)
Palmer Amaranth Control With Pic Chlor 60. Tift Co., 2013.
Plus Dual Mag 12 oz/ANo Herbicide
![Page 18: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/18.jpg)
![Page 19: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/19.jpg)
Nutsedge response to the fumigants. Echols Co., 2013.
0
20
40
60
80
100
Plots were 1 bed by 150 feet. Spring soil temp 64. (Veg 13-13)
UGA 3-WAYTIF
MB 67:33240 LB
TIF
84 b
95 a
%
290 plant/A 308 plant/A
319,250 plant/A check
97a
PIC CHLOR 60TIF
6380 plant/A
![Page 20: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/20.jpg)
Potential MB Fumigant Alternatives
1. UGA 3-WAY
2. Paladin Pic
3. Trifecta
4. Pic Chlor 60
![Page 21: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/21.jpg)
Paladin Pic
Light to Moderate: 40-45 GPA TIF
Moderate to Severe: 50 GPA TIF
Herbicide System Required
Rates Driven By Nutsedge
![Page 22: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/22.jpg)
Paladin Pic
Light Populations:
40 GPA TIF
Moderate to Severe:
50 GPA TIF
Herbicide System Required
BE CAREFUL FOR ODOR MANAGEMENT
![Page 23: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/23.jpg)
Trifecta
1. UGA 3-WAY
2. Paladin Pic
3. Trifecta
4. Pic Chlor 60
![Page 24: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/24.jpg)
Trifecta
Light to Moderate: 350-375 LB/A TIF
Moderate to Severe: 375-400 LB/A TIF
Herbicide System Required
Rates Driven By Nutsedge Populations
![Page 25: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/25.jpg)
Trifecta
Light Populations:
40 GPA TIF
Moderate to Severe:
50 GPA TIF
Herbicide System Required
BE CAREFUL FOR ODOR MANAGEMENT
![Page 26: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/26.jpg)
2015
OPTIONS INCREASE …..I THINK
![Page 27: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/27.jpg)
Systems for 2015. Tift Co., 2013.
0
20
40
60
80
100
Plots were 1 bed by 150 feet. Spring soil temp 64. (Veg 42-13)
Paladin Pic40 G
3-WAYTIF
System A
85 b72 c
99.9 a
%
40 P/A 35 P/A1470 P/A
32,318 plant/A check
94ab
Trifecta350 lb
83 P/A
System B
99.9 a
380 P/A
![Page 28: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/28.jpg)
System A Check
![Page 29: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/29.jpg)
New Systems Potential
BENEFITS:Outstanding pest control.Equal cost or slightly lower??? Reduced buffer restrictions.Far more consistent.No herbicide under mulch.Lower odor concerns.
![Page 30: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/30.jpg)
New Systems Potential
NEGATIVES:2 or 3 fumigants; 2 application pointsShank inject 4 inches on bed top Slower application than Trifecta, Pic ChlorPlant back interval longer
![Page 31: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/31.jpg)
2014 Fumigant System Effectiveness
1. UGA 3-WAY TIF
2. Paladin Pic >= Trifecta TIF
3. 3-WAY (Spring) LDPE (not GA/FL line)
4. Pic Chlor 60 at 28 GPA TIF
![Page 32: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/32.jpg)
2014 Fumigant System Effectiveness
1. UGA 3-WAY TIF
2. Paladin Pic >= Trifecta TIF
3. 3-WAY (Spring) LDPE (not GA/FL line)
4. Pic Chlor 60 at 28 GPA TIF
![Page 33: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/33.jpg)
2015 Fumigant System Effectiveness
1. System A
2. System B
3. System C
4. UGA 3-WAY TIF
5. Paladin Pic >= Trifecta TIF
6. 3-WAY (Spring) LDPE (not GA/FL line)
7. Pic Chlor 60 at 28 GPA TIF
![Page 34: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/34.jpg)
2015 Fumigant System Effectiveness
1. System A
2. System B
3. System C
4. UGA 3-WAY TIF
5. Paladin Pic >= Trifecta TIF
6. 3-WAY (Spring) LDPE (not GA/FL line)
7. Pic Chlor 60 at 28 GPA TIF
COST VS CONTROL??
![Page 35: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/35.jpg)
Fumigant Plant Back Intervals
PEST
CONTROL
PLANT
BACK
![Page 36: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/36.jpg)
Factors Influencing Rate/Control
FUMIGANT
RATE
1.
1. Higher populations of nutsedge
2. Warmer soil temperatures
3. Low moisture conditions (not wet either)
4. Soft bed (compaction)—double press??
5. Lighter texture the soil
![Page 37: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/37.jpg)
Factors Influencing Rate/Control
FUMIGANT
RATE
1.
1. Higher populations of nutsedge
2. Warmer soil temperatures
3. Low moisture conditions (not wet either)
4. Soft bed (compaction)
5. Lighter texture the soilINFLUENCE CONCENTRATION OVER TIME
![Page 38: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/38.jpg)
Factors Influencing Rate/Control
FUMIGANT
RATE
1.
1. Higher populations of nutsedge
2. Warmer soil temperatures
3. Low moisture conditions (not wet either)
4. Soft bed (compaction)
5. Lighter texture the soil
We can influence quite quickly if willing!!!!
![Page 39: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/39.jpg)
Managing Nutsedge YEAR ROUND
1. Row middles with Sandea
2. Spray as soon as crop done:
![Page 40: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/40.jpg)
Roundup 2 qt/A fb 2 qt/A 10 days later! Then treat as needed.
![Page 41: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/41.jpg)
0
20
40
60
80
100
1 2 3 4 5
no wash
washed
Amount of Sandea remaining on plastic mulch. TyTy GA, 2005.
per
cen
t
days Grey, Culpepper
![Page 42: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/42.jpg)
Managing Nutsedge YEAR ROUND
1. Row middles with Sandea
2. Spray as soon as crop done:
3. When mulch is out of field:
![Page 43: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/43.jpg)
ROTATE DISKING WITH ROUNDUP AND 1 QT 3WK AFTER NUTSEDGE EMERGENCE
ADD SANDEA IN WITH ROUNDUP ONCE IF NOT CARRYOVER PROBLEMS
![Page 44: 2014: Fine Tuning The Fumigant System Stanley Culpepper, University of Georgia Tifton Campus](https://reader035.vdocuments.us/reader035/viewer/2022062806/56649ed95503460f94be6f87/html5/thumbnails/44.jpg)
Questions or Comments?
Continued Thanks: William UpChurch and Perry Fuller