Nfpa process safety and osha, seven keys to surviving a chem nep audi
Diversity and Integration: Keys to Surviving in a Palmer World
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Transcript of Diversity and Integration: Keys to Surviving in a Palmer World
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Diversity and Integration:
Keys to Surviving in a Palmer World
Stanley Culpepper, University of Georgia, Tifton
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Topics of Discussion
Changes in cotton production
Roundup-based programs
Liberty-based programs
Integrate the system or grow trees
PPO and Liberty sustainability
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Total grower (n = 65) acres = 129,615 (12.6% of GA cotton)
Total agent county (n = 10) acres = 246,034 (24% of GA cotton)
Palmer Changes Agriculture Forever
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Agents: Most troublesome weed
0
20
40
60
80
100
120
Perc
ent (
%) o
f age
nts s
urve
yed
2000-2005
2006-2010
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Growers: Pre-plant*/PRE herbicides appliedPercent (%) of acres treated
37.8
45.8
26.9
15.1
25.1 24.7
2.8
26.9
8.1
81
0
10
20
30
40
50
60
70
80
90
100
2000-2005 2006-2010 2000-2005 2006-2010 2000-2005 2006-2010 2000-2005 2006-2010 2000-2005 2006-2010
Diuron Fluometuron Pyrithiobac Flumioxazin Fomesafen
Perc
ent (
%) o
f acr
es tr
eate
d
*
*
*
*
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Growers: POST herbicides appliedPercent (%) of acres treated
94.488.4
0.6
29.7
40.8
45.7
16.3
54.4
0
10
20
30
40
50
60
70
80
90
100
2000-2005 2006-2010 2000-2005 2006-2010 2000-2005 2006-2010 2000-2005 2006-2010
Glyphosate Glufosinate Pyrithiobac S-metolachlor
Perc
ent (
%) o
f acr
es tr
eate
d
*
*
*
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Growers
2000-2005: Herbicide costs = $32.30/A
2006-2010: Herbicide costs = $62.50/A
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Photo by A.C. York 2010
2000-2005: 17% of growers hand-weeded 5% cotton acres at $2.40/A
2006-2010: 92% of growers hand-weeded 52% cotton acres at $23.70/A
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Growers: Changes in tillage/planting practices from 2000-2005 to 2006-2010
28.0
21.4
36.3 35.2 36.1
43.0
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
2000-2005 2006-2010 2000-2005 2006-2010 2000-2005 2006-2010
Strip into weeds Strip into cover crops Conventional
Perc
ent (
%) o
f acr
es
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BIOLOGY
Integrated to remain
sustainable
Management
programs
Diversity and Integration:
Keys to Surviving in a Palmer World
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Preplant PRE POST1 POST 2 Layby
ValorNo Palmer up
Valor + DirexPalmer up, >15 d
to plant
DirexPalmer up, <15 d
to plant
Reflex + Direxadd paraquat
Reflex + Prowladd paraquat
Reflex + Prowladd paraquat
RU + Staple
OR
RU + Dual or Warrant
RU + Dual or Warrant
Direx
+
MSMA
RR Reduced Tillage Cotton Systems. 2012.
1. Resistance management; 2) life of residual herbicide on soil; 3) effectiveness on Palmer, 4) Palmer emergence and growth, and 5) cost of product
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Preplant PRE POST1 POST 2 Layby
ValorNo Palmer up
Valor + DirexPalmer up, >15 d
to plant
DirexPalmer up, <15 d
to plant
Reflex + Direxadd paraquat
Reflex + Prowladd paraquat
Reflex + Prowladd paraquat
RU + Staple
OR
RU + Dual or Warrant
RU + Dual or Warrant
Direx
+
MSMA
RR Reduced Tillage Cotton Systems. 2012.
APPLY VALOR AND/OR DIREX TO EVERY ACRE; MUST BE PALMER FREE AT PLANTING!!!
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Valor applied broadcast followed by strip till.
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Preplant PRE POST1 POST 2 Layby
ValorNo Palmer up
Valor + DirexPalmer up, >15 d
to plant
DirexPalmer up, <15 d
to plant
Reflex + Direxadd paraquat
Reflex + Prowladd paraquat
Reflex + Prowladd paraquat
RU + Staple
OR
RU + Dual or Warrant
RU + Dual or Warrant
Direx
+
MSMA
RR Reduced Tillage Cotton Systems. 2012.
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Preplant PRE POST1 POST 2 Layby
Valor
Valor + Direx
Direx
Reflex + Direx
Reflex + Prowl
Reflex + Prowl
RU + Staple
OR
RU + Dual or Warrant
RU + Dual or Warrant
Direx
+
MSMA
RR Reduced Tillage Cotton Systems. 2012.
RU + Staple wins 7 out of 10 times!
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Preplant PRE POST1 POST 2 Layby
Valor
Valor + Direx
Direx
Reflex + Direx
Reflex + Prowl
Reflex + Prowl
RU + Staple
OR
RU + Dual or Warrant
RU + Dual or Warrant
Direx
+
MSMA
RR Reduced Tillage Cotton Systems. 2012.
Consider direct spraying Warrant mixture if more than 6 leaf cotton!
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Roundup + Warrant applied over AGGRESSIVELY growing LARGE cotton.
typical
ouch
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Preplant PRE POST1 POST 2 Layby
Valor
Valor + Direx
Direx
Reflex + Direx
Reflex + Prowl
Reflex + Prowl
RU + Staple
OR
RU + Dual or Warrant
RU + Dual or Warrant
Direx
+
MSMA
RR Reduced Tillage Cotton Systems. 2012.
No brainer…..Suprend great option as well!
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Preplant PRE POST1 POST 2 Layby
Valor
Valor + Direx
Direx
Reflex + Direx
Reflex + Prowl
Reflex + Prowl
RU + Staple
OR
RU + Dual or Warrant
RU + Dual or Warrant
Direx
+
MSMA
RR Reduced Tillage Cotton Systems. 2012.
add paraquat if Palmer emerged,
follow plantback
48 hr within planting; add
paraquat
10 - 12 d after PRE
(10 day after May 10)
12 - 14 d after POST1
(12 day after May 10)
15-17 d after POST2
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Preplant PRE POST1 POST 2 Layby
Valor
Valor + Direx
Direx
Reflex + Direx
Reflex + Prowl
Reflex + Prowl
RU + Staple
OR
RU + Dual or Warrant
RU + Dual or Warrant
Direx
+
MSMA
RR Reduced Tillage Cotton Systems. 2012.
add paraquat if Palmer emerged,
follow plantback
48 hr within planting; add
paraquat
10 - 12 d after PRE
(10 day after May 10)
12 - 14 d after POST1
(12 day after May 10)
15-17 d after POST2
Allows 2 residuals at planting instead of 3 to reduce injury.
Perfect timing for thrips application!
Allows time for activation before PRE breaks down!
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Tillage is now a common scene
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Preplant PRE POST1 POST2 Layby
Treflan/Prowl +
Reflex 12 oz
Reflex 8-12 oz
+
Direx
RU + Staple(Palmer up)
or
RU + Dual or Warrant
RU + Dual or
Warrant
Direx
+
MSMA
RR Conventional Tillage Cotton Systems. 2012.
Split Reflex system: 3 types of chemistry
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Percent Palmer Amaranth control with Reflex PPI, PRE, or Split Applied at 35 DAT. 2011.
60 D
72 C81 B
Prowl H2O 2 pts/A included with all treatments.
98 A 95 A
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0
20
40
60
80
100
80 b92 a
3 c
Rototiller Field cultivator
Disk
Percent Palmer Control with Reflex + Prowl PPI, 2010. TyTy, GA. 38 DAT.
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Cotton injury is a big concern for growers!!
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Irrigated May 13
Planted May 14
Irrigated May 19 during emergence
None Prowl + Reflex PRE
Prowl + Reflex PPI - Rototill
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Roundup Ready PLUS Cotton Incentive (Up to $22)
Valor AND Reflex = ($3.00)
Cotoran, Cotton Pro, Direx = ($3.00)*
Warrant 3 pt = ($4.50)*
Dual Magnum 1 pt = ($3.00)
Gramoxone Inteon 2 pt = ($1.00)
*Will pay on 2 applications
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0
20
40
2004 2009 2011
37
18
% a
cres
Liberty-based Programs
0
Impact of GR Palmer amaranth on GA.
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Making the most of your Liberty!
Water volume
Spray tip and pressure
Time of day you spray
Palmer size
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MOST IMPORTANT IS TO HAVE PRESSURE AND NOZZLES THAT GENERALTE MEDIUM (300-400 MICRONS)
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0
20
40
60
80
100
99 a
50 b
97 a
6.45 am
8 c
Ignite POST 1 (5” Palmer), Ignite POST 2 (18 d later), Diuron + MSMA layby
12 – 1 pm 6:30 – 7:00 pm 12 – 1 am
Late-season Palmer control with Liberty as influenced by time of day.
Time of Day for Liberty Applications
Macon Co.
Dryland
%
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6.45 am 12:30 pm
Ignite POST (5”Palmer), Ignite POST 2 (18 d later), diuron + MSMA layby
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Rate
Making the most of your Liberty
GPA Time
Nozzle
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Rate
Making the most of your Ignite
GPA Time
Nozzle
Biggest pigweed in the field is 3
inches!!!!!!!!!!!!!!!!
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32 oz/A Gly 4 fb 29 oz/A Ignite on 12” Palmer
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Controlling Palmer in LL Cotton. 2012.Pre-plant PRE POST1
1-lf cottonPOST 2
5-7 lf cottonLayby
Valor
or
diuron
Diuron + Prowl
Cotoran + ProwlAdd in paraquat
Reflex + Prowl
Staple + ProwlAdd in paraquat
Liberty
+
Dual Mag
Liberty Direx
+
MSMA
NO IGNITE AT BURNDOWN OR LAYBY!!!!!!!!!!!!!!!!!!
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Heavy Residue Deep Turn
Hand weed Cultivate
Georgia growers will not economically survive relying on just herbicides!!!!
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Most Palmer amaranth emerges from top inch
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No Deep Tillage Deep Turn
No Herbicide Treatment
Number of Palmer Amaranth Plants During Early Season. Macon Co., Georgia 2008.*
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Palmer requires a significant amount of sunlight to emerge!!
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75 to 95% control in
middle
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Potential Benefits for Georgia Growers
1. Improved Palmer control
2. Protect herbicide chemistry
3. Labor (compared to tillage)
4. Wind and water erosion
5. Prevents GR horseweed
6. Prevents/Lessons GR ryegrass
7. Moisture conservation
8. Reduce herbicide inputs
9. Higher yields on dryland
10. Protection from EPA
11. Reduces thrips damage
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Potential Challenges for Georgia Growers
1. Blowout impacting stand
2. Incorporate herbicides with when strip tilling
3. Spray then roll, roll then spray?
4. Time to get established
5. Increased fertilizer
6. Rubber wheel system
7. Grower comfort
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Palmer amaranth seedbank – it is the key!
YEAR 1: 5 Palmer females escape
Produce 2,000,000 seeds in cotton (50% germ)
YEAR 2:
Weed program = 99.9% control
1,000 plants per acre left at harvest
400 female plants/A
160,000,000 seeds produced in cotton (50%)
YEAR 3:
Weed program 99.9% control
80,000 plants per acre left at harvest
32,000 female plants/A = 1.28 X 1010 seed/A
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Herbicide Resistance: Will You Survive?
If resistance is one in a billion then you
only need 918 acres to find that plant.
(historically resistance is 1 plant in population of 1-10 million…9.18 acres)
25 plants per square foot emerge = 1,089,000 plants
per acre
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PPO Herbicides
• Resistance has already been reported in other areas!!!
• Amaranthus quitensis– 2005 (Bolivia)
• Common waterhemp– 2001 (Kansas)– 2002 (Illinois)– 2005 (Missouri)– 2009 (Iowa)
• Common ragweed– 2005 (Delaware)– 2006 (Ohio)
• Wild poinsettia– 2004 (Brazil)
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Liberty
• Abuse of Liberty– LL cotton, corn, soybeans
– PHY WRF cotton
– may jeopardize future technologies (DHT, Dicamba)
• Current resistances– Italian ryegrass (Oregon)
– Goosegrass (Malaysia)
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Future Technology: 2,4-D or Dicamba Resistant Cotton
2,4-D resistant cotton
2,4-D sensitive cotton
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1.5 pt of 2,4-D Liberty + 1.5 pt of 2,4-D
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Clarity 8 oz Liberty + Clarity 8 oz
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HPPD Liberty + HPPD
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Controlling Palmer in LL Cotton. 2012.Pre-plant PRE POST1
1-lf cottonPOST 2
5-7 lf cottonLayby
Valor
or
diuron
Diuron + Prowl
Cotoran + ProwlAdd in paraquat
Reflex + Prowl
Staple + ProwlAdd in paraquat
Liberty
+
Dual Mag
Liberty Direx
+
MSMA
NO IGNITE AT BURNDOWN OR LAYBY!!!!!!!!!!!!!!!!!!
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How do we save Liberty and the family farm????
• Significant pressure on Bayer…….prevent known repetitive abusers from being able to purchase Liberty??
• Bayer/Monsanto/Dow should unite!!!!
• Growers/Industry/Distributors/Dealers/Extension unite!!
• Regulate????