Defining and Refining Critical Uses of Chlorpyrifos in ... · Lorsban 4E or Advanced 1B X X X X...
Transcript of Defining and Refining Critical Uses of Chlorpyrifos in ... · Lorsban 4E or Advanced 1B X X X X...
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Defining and Refining Critical Uses of
Chlorpyrifos in Alfalfa & Field Crop IPM
Peter B. Goodell and Lori Berger
A Deliverable of the DPR Chlorpyrifos Critical Use Project
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Project Overview
• What are the concerns?
• Why this project?
• Why this training?
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What Are the Concerns With Chlorpyrifos?
• Environment – Water
• Public health – Children
• EPA, CDPR, etc. –revised risk assessments,
use of models, epidemiological info
• Advocacy groups, etc.
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Why this Project?
• To fully understand/describe chlorpyrifos use
• To communicate IPM needs to CDPR
• To refine decision making in the field
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Chlorpyrifos Use in CA
-
500,000
1,000,000
1,500,000
2,000,000
2,500,000
Lbs
AI
StatewideAlfalfaAlmondsCitrusCotton
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Total Pounds Chlorpyrifos Applied in Alfalfa
2002-2013
0
50,000
100,000
150,000
200,000
250,000
2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Lbs/
AI
Intermountain
SacramentoValley
SJV
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Monthly Chlorpyrifos Use in Alfalfa
2002-2013 (Average)
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
Jan Feb Mar Apr May June Jul Aug Sept Oct Nov Dec
Lbs
AI
Intermountain
Sacramento Valley
SJV
SouthernCalifornia
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Monthly Chlorpyrifos Use in Field Crops
San Joaquin County
2002-2013 (Average)
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
ALFALFA
CORN
SUGARBEET
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Alfalfa Crop Team Input
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What Are the Critical Use Pests?
Key Pests with Few or No Alternatives
Important Pests with Alternatives
Occasional Pests with Alternatives
Blue Alfalfa Aphid Cowpea Aphid
Alfalfa Weevils
Alfalfa Caterpillar Pea Aphid Armyworms
Cutworm Webworm Spotted Alfalfa Aphid
Leafhopper
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“Criticality Spectrum”
• KEY PESTS with few/no alternative insecticides
• Important pests with alternative insecticides
• Occasional pests with alternative insecticides
This is not a priority or ranking…
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Alternatives…
• Other Products?
• Biological Control?
• Cultural Control?
• Chemical Control?
• Best Management Practices…
• Alternative Practices…
• New Products and Technologies…
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Alfalfa Pests by BMP
Key Pests, No or Few
Alternatives
Important Pests with
Alternative AIs Available
Occasional Pests or Pests with
Alternative AIs or Practices
Available
Practice Pre-
season
In
season
Aphid,
Blue
Alfalfa
Aphid,
Cowpea Weevil
Aphid,
Pea
Alfalfa
caterpillar
Armyworm,
Beet &
Yellow
striped
Aphid,
Spotted
Alfalfa
Leaf-
hopper
Web-
worm Cutworm
Conservation of
natural enemies X X X X X X X X X
Early harvest X X X X X X X
Grazing (sheep) X X
Light harrowing
during winter X X
Burning X X
Resistant
varieties X X X X
Border cutting X X X X X X X
Water
Management X X
Weed
Management X
Plant into well
prepared fields X X
Best Management Practices in Alfalfa
As identified by Alfalfa Crop Team. Not all practices listed in UC PMG See Full Report for Details
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Key Pests, No or Few
Alternatives
Important Pests with
Alternative Ais Available
Trade Name(s) IRAC MoA
Group
Aphid,
Blue
Alfalfa
Aphid,
Cowpea Weevils Aphid, Pea Alfalfa caterpillar
Armyworm, Beet &
Yellow striped
Coragen 28 X X
Ambush, Pounce 3A
Baythroid 3A X
Belt 28 X X
Dimethoate 1B X X X
Entrust (Organic) 5
Imidan 1B X
Intrepid 18A X X
Lannate 1A X X
Lock-On 1B
Lorsban 4E or
Advanced 1B X X X X
Malathion 1B X
Mustang 3A
Sevin 1A
Steward 22A X X X
Warrior 3A X
Xentari, Dipel ES 11B1,11B2 X X
Insecticide Options Identified for Management of Alfalfa Pests
Not all products are in IPMG; New AIs since Crop Team Meetings for
Aphid: Sivanto (4D) and Beleaf (9C) [SLN]
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Decision Support Tools
• Pest Profiles…from Crop Team Discussions
• Pest Management Guidelines (PMG) 2015
• New App
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Why Do We Need Another App?
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Continual Improvement in the Face of Constant Change
• Increased complexity of modern agriculture
• Consumer, retail, non-farm sectors more “engaged”
• Environmental and human health issues
• Global market demands
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Too Much Complexity
Let’s focus on an issue with sufficient complexity to demonstrate the value of assisted decision support
Critical Use of Chlorpyrifos
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What is a Decision Support Tool?
• A logical framework for decision making
• An opportunity for planning
• Integrates multi-pest information
• Easy access to information rich PMG
• Summarizes all options
• Accessible on-line for all portable devices
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UC IPM Pest Management Guidelines - PMGs
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Getting There…
• UC IPM
• Agricultural Pests
• Alfalfa
• Chlorpyrifos decision-support tool
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Mitigation Statement Required for Each PCA Recommendation
“I certify that alternatives and mitigation measures that would substantially lessen any significant adverse impact on the environment have been considered and, if feasible, adopted”
This is the responsibility of PCA In fulfillment CEQA requirement
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Benefits of On-Line
Decision Support
• Easy access to information rich PMG
• Logical framework for decision making
• Multi-pest information
• Summary of all options
• Opportunity for planning
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Thanks for Your Attention