Pesticide Use in California: Benefits and...
Transcript of Pesticide Use in California: Benefits and...
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Pesticide Use in California:Benefits and Trends
Leonard P. Gianessi
![Page 2: Pesticide Use in California: Benefits and Trendsagis.ucdavis.edu/pur/pdf/Gianessi_WPHA_052008.pdfBenefits- CropLife Foundation Reports ... BOSCALID COPPER IPRODIONE PYRACLOSTROBIN](https://reader034.fdocuments.in/reader034/viewer/2022051723/5abb0a797f8b9a321b8c633f/html5/thumbnails/2.jpg)
Data Sources
� Benefits- CropLife Foundation Reports� Herbicides- 2003, Updated 2006� Fungicides- 2005� Insecticides- For Release, June 2008� Fumigants- Ongoing� Growth Regulators- Ongoing
� Use Trends- Cal DPR� 1990-2006
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CALDPR Data Project
� State-Level� Acre Treatments� 40 Crops
� Categories� Herbicides� Insecticides � Fungicides� Fumigants� Growth Regulators
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Preliminary Crop Analysis
� Walnuts
� Kiwi
� Rice
� Pistachios
� Asparagus
� Lettuce
� Carrots
� Garlic
� Dates
� Olives
� Celery
� Strawberries
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Walnut Blight: California
� Production losses of 50% in the early 1900’s.
� Copper sprays became standard practice in the 1940’s.
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WALNUTS: Fungicide Use, Walnut Blight
0
50000
100000
150000
200000
250000
300000
350000
400000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
COPPER
TotalAcres
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WALNUTS: Fungicide Use, Walnut Blight
0
50000
100000
150000
200000
250000
300000
350000
400000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
COPPER
MANEB
TotalAcres
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Rice Blast Disease: California
� First found in the state in 1996.
� Fungicides prevent yield losses of 15-30%.
Rice Blast Spores
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RICE: Fungicide Use, Blast
0
100000
200000
300000
400000
500000
600000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
AZOXYSTROBIN
Total Acres
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Garlic: Rust
Untreated Fungicide Treated
First Discovered in California in 1998.
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GARLIC: Fungicide Use
0
20000
40000
60000
80000
100000
120000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
FungicideUse
TotalAcres
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GARLIC: Fungicide Use, Rust
0
10000
20000
30000
40000
50000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZOXYSTROBIN
CHLOROTHALONIL
MANCOZEB
MEFENOXAM
METALAXYL
PYRACLOSTROBIN
SULFUR
TEBUCONAZOLE
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Carrots: Cavity Spot
� Fungal Infection
� Infected Carrots Unacceptable for Fresh Market
� Entire Fields have been Abandoned
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CARROT: Fungicide Use, Cavity Spot
0
20000
40000
60000
80000
100000
120000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
METALAXYL
Total Acres
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CARROT: Fungicide Use, Cavity Spot
0
20000
40000
60000
80000
100000
120000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
MEFENOXAM
METALAXYL
Total Acres
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Pistachios
Healthy Panicle & Shoot Blight
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PISTACHIOS: Fungicide Use, Panicle & Shoot Blight/Alternaria
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
FungicideUse
TotalAcres
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PISTACHIOS: Fungicide Use, Panicle & Shoot Blight/Alternaria
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZOXYSTROBIN
BENOMYL
BOSCALID
COPPER
IPRODIONE
PYRACLOSTROBIN
TEBUCONAZOLE
THIOPHANATE-METHYL
TRIFLOXYSTROBIN
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PISTACHIOS: Fungicide Use, Panicle & Shoot Blight/Alternaria
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
BENOMYL
COPPER
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PISTACHIOS: Fungicide Use, Panicle & Shoot Blight/Alternaria
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
BENOMYL
COPPER
IPRODIONE
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PISTACHIOS: Fungicide Use, Panicle & Shoot Blight/Alternaria
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
BENOMYL
COPPER
IPRODIONE
TEBUCONAZOLE
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PISTACHIOS: Fungicide Use, Panicle & Shoot Blight/Alternaria
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZOXYSTROBIN
BENOMYL
COPPER
IPRODIONE
TEBUCONAZOLE
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PISTACHIOS: Fungicide Use, Panicle & Shoot Blight/Alternaria
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZOXYSTROBIN
BENOMYL
COPPER
IPRODIONE
PYRACLOSTROBIN
TEBUCONAZOLE
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PISTACHIOS: Fungicide Use, Panicle & Shoot Blight/Alternaria
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZOXYSTROBIN
BENOMYL
BOSCALID
COPPER
IPRODIONE
PYRACLOSTROBIN
TEBUCONAZOLE
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PISTACHIOS: Fungicide Use, Panicle & Shoot Blight/Alternaria
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZOXYSTROBIN
BENOMYL
BOSCALID
COPPER
IPRODIONE
PYRACLOSTROBIN
TEBUCONAZOLE
THIOPHANATE-METHYL
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PISTACHIOS: Fungicide Use, Panicle & Shoot Blight/Alternaria
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZOXYSTROBIN
BENOMYL
BOSCALID
COPPER
IPRODIONE
PYRACLOSTROBIN
TEBUCONAZOLE
THIOPHANATE-METHYL
TRIFLOXYSTROBIN
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OLIVES: Insecticide Use
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
100000
110000
120000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
CARBARYL
METHIDATHION
PETROLEUMOIL
Total Acres
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Olive Fruit Fly
� First noticed - 1998
� Very few natural enemies in Europe or U.S.
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OLIVES: Insecticide Use
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
100000
110000
120000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
CARBARYL
METHIDATHION
PETROLEUMOIL
SPINOSAD
Total Acres
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RICE: Insecticide Use, Rice Water Weevil
0
100000
200000
300000
400000
500000
600000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
CARBOFURAN
Total Acres
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RICE: Insecticide Use, Rice Water Weevil
0
100000
200000
300000
400000
500000
600000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
(S)-CYPERMETHRIN
CARBOFURAN
DIFLUBENZURON
LAMBDA-CYHALOTHRIN
Total Acres
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RICE: Herbicide Use
0
250000
500000
750000
1000000
1250000
1500000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
HerbicideUse
TotalAcres
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
BISPYRIBAC
CARFENTRAZONE
CLOMAZONE
CYHALOFOP
FENOXAPROP
GLYPHOSATE
MCPA
MOLINATE
PROPANIL
THIOBENCARB
TRICLOPYR
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
BENSULFURON
MOLINATE
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
MCPA
MOLINATE
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
MCPA
MOLINATE
THIOBENCARB
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
MCPA
MOLINATE
PROPANIL
THIOBENCARB
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
MCPA
MOLINATE
PROPANIL
THIOBENCARB
TRICLOPYR
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
CYHALOFOP
MCPA
MOLINATE
PROPANIL
THIOBENCARB
TRICLOPYR
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
BISPYRIBAC
CYHALOFOP
MCPA
MOLINATE
PROPANIL
THIOBENCARB
TRICLOPYR
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
BISPYRIBAC
CLOMAZONE
CYHALOFOP
MCPA
MOLINATE
PROPANIL
THIOBENCARB
TRICLOPYR
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
BISPYRIBAC
CARFENTRAZONE
CLOMAZONE
CYHALOFOP
MCPA
MOLINATE
PROPANIL
THIOBENCARB
TRICLOPYR
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
BISPYRIBAC
CARFENTRAZONE
CLOMAZONE
CYHALOFOP
GLYPHOSATE
MCPA
MOLINATE
PROPANIL
THIOBENCARB
TRICLOPYR
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RICE: Herbicide Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
275000
300000
325000
350000
375000
400000
425000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
2,4-D
BENSULFURON
BISPYRIBAC
CARFENTRAZONE
CLOMAZONE
CYHALOFOP
FENOXAPROP
GLYPHOSATE
MCPA
MOLINATE
PROPANIL
THIOBENCARB
TRICLOPYR
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Unfumigated Carrots:Nematode Damage
� 25% Yield Loss w/o Fumigant Use
� Field May be Abandoned
USDA
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CARROT Fumigant Use
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
100000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
1,3-D
Total Acres
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CARROT Fumigant Use
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
100000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
1,3-D
CHLOROPICRIN
METHYLBROMIDE
Total Acres
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CARROT Fumigant Use
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
100000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
1,3-D
CHLOROPICRIN
METAM-SODIUM
METHYLBROMIDE
Total Acres
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Herbicide Experiment 1960s Carrots: Linuron
Treated Untreated
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CARROT Herbicide Use
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
100000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
LINURON
TRIFLURALIN
FLUAZIFOP
CLETHODIM
Total Acres
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Asparagus Harvest: California
Asparagus is a perennial plant producing spears for 15-20 years.
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U.S. Fresh Asparagus Market
0
20
40
60
80
100
120
140
160
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
ThousandMetric Tons
Exports
Imports
Production
Consumption
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Costs & Returns to Produce Asparagus, California (2007)
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
Pesticide Costs Other Costs Labor Costs Total Costs Returns
$/Acre
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Asparagus: Fungicide Use, Rust
0
5000
10000
15000
20000
25000
30000
35000
40000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
FungicideUse
TotalAcres
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Asparagus: Fungicide Use, Crown & Spear Rot
0
5000
10000
15000
20000
25000
30000
35000
40000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
FungicideUse
TotalAcres
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Asparagus: Insecticide Use, Aphid
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
50000
55000
60000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
InsecticideUse
TotalAcres
Organophosphates
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Asparagus: Herbicide Use
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
HerbicideUse
TotalAcres
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Weedy Asparagus: California
� Without weed control, it is difficult to harvest.
� Workers will not enter weedy fields.
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PISTACHIOS: Sulfur Use, Mite Control
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
100000
110000
120000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
SULFUR
TotalAcres
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PISTACHIOS: Soil Residual Herbicide Use
0
10000
20000
30000
40000
50000
60000
70000
80000
90000
100000
110000
120000
130000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
ORYZALIN
OXYFLUORFEN
Total Acres
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PISTACHIOS: Glyphosate Use
0
25000
50000
75000
100000
125000
150000
175000
200000
225000
250000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
GLYPHOSATE
Total Acres
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Pistachio Herbicides
Oxyfluorfen
Oryzalin
Glyphosate
$/Acre
14
22
2
Hembree & Beede
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PISTACHIOS: Navel Orangeworm Insecticide Use
0
50000
100000
150000
200000
250000
300000
350000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
InsecticideUse
TotalAcres
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PISTACHIOS: Navel Orangeworm Insecticide Use
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
220000
240000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
CARBARYL
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PISTACHIOS: Navel Orangeworm Insecticide Use
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
220000
240000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZINPHOS-METHYL
CARBARYL
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PISTACHIOS: Navel Orangeworm Insecticide Use
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
220000
240000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZINPHOS-METHYL
CARBARYL
PHOSMET
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PISTACHIOS: Navel Orangeworm Insecticide Use
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
220000
240000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZINPHOS-METHYL
CARBARYL
PHOSMET
SPINOSAD
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PISTACHIOS: Navel Orangeworm Insecticide Use
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
220000
240000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZINPHOS-METHYL
CARBARYL
METHOXYFENOZIDE
PHOSMET
SPINOSAD
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PISTACHIOS: Navel Orangeworm Insecticide Use
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
220000
240000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
AZINPHOS-METHYL
CARBARYL
METHOXYFENOZIDE
PERMETHRIN
PHOSMET
SPINOSAD
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Celery: Pink Rot
Yield decline of 10-15% without soil treatment.
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CELERY: Fungicide Use, Pink Rot
0
10000
20000
30000
40000
50000
60000
70000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
DICLORAN
Total Acres
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Bacterial Blight of Celery
This disease organism infects only celery.
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CELERY: Fungicide Use, Bacterial Blight
0
10000
20000
30000
40000
50000
60000
70000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
COPPER
Total Acres
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Celery: Late Blight
500 million spores can be produced on a single celery plant.
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CELERY: Fungicide Use, Late Blight
0
20000
40000
60000
80000
100000
120000
140000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
Total Fungicide Use
Total Acres
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CELERY: Fungicide Use, Late Blight
0
10000
20000
30000
40000
50000
60000
70000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
ANILAZINE
BENOMYL
THIOPHANATE-METHYL
Total Acres
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CELERY: Fungicide Use, Late Blight
0
10000
20000
30000
40000
50000
60000
70000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
ANILAZINE
BENOMYL
CHLOROTHALONIL
THIOPHANATE-METHYL
Total Acres
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CELERY: Fungicide Use, Late Blight
0
10000
20000
30000
40000
50000
60000
70000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
ANILAZINE
BENOMYL
CHLOROTHALONIL
PROPICONAZOLE
THIOPHANATE-METHYL
Total Acres
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CELERY: Fungicide Use, Late Blight
0
10000
20000
30000
40000
50000
60000
70000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
ANILAZINE
AZOXYSTROBIN
BENOMYL
CHLOROTHALONIL
PROPICONAZOLE
PYRACLOSTROBIN
THIOPHANATE-METHYL
TRIFLOXYSTROBIN
Total Acres
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Lettuce Downy Mildew
Plant resistance to Downy Mildew broke down in the early 1990’s.
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LETTUCE, HEAD: Fungicides, Downy Mildew
0
50000
100000
150000
200000
250000
300000
350000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
COPPER
FOSETYL-AL
MANEB
METALAXYL
Total Acres
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LETTUCE, HEAD: Fungicides, Downy Mildew
0
50000
100000
150000
200000
250000
300000
350000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
COPPER
FOSETYL-AL
MANEB
METALAXYL
Total Acres
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LETTUCE, HEAD: Fungicides, Downy Mildew
0
50000
100000
150000
200000
250000
300000
350000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
COPPER
FOSETYL-AL
MANEB
MEFENOXAM
METALAXYL
Total Acres
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LETTUCE, HEAD: Fungicides, Downy Mildew
0
50000
100000
150000
200000
250000
300000
350000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
COPPER
CYMOXANIL/ FAMOXADONEDIMETHOMORPH
FOSETYL-AL
MANEB
MEFENOXAM
METALAXYL
FENAMIDONE
ACIBENZOLAR
Total Acres
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Lettuce Drop
Disease incidence can be as high as 70% in some fields.
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LETTUCE HEAD: Fungicide Use, Lettuce Drop
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
Total Acres
TotalFungicide Use
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LETTUCE HEAD: Fungicide Use, Lettuce Drop
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
BOSCALID
DICLORAN
IPRODIONE
VINCLOZOLIN
Total Acres
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Strawberry Yields
0
5
10
15
20
25
30
Tons/Acre
1949 197919741969196419591954 1999199419891984
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STRAWBERRY: Acreage
0
5000
10000
15000
20000
25000
30000
35000
40000
1998 1999 2000 2001 2002 2003 2004 2005 2006
Acres
Total Acres
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STRAWBERRY: Fumigant Use
0
5000
10000
15000
20000
25000
30000
35000
40000
1998 1999 2000 2001 2002 2003 2004 2005 2006
AcreTreatments
METHYLBROMIDE
Total Acres
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STRAWBERRY: Fumigant Use
0
5000
10000
15000
20000
25000
30000
35000
40000
1998 1999 2000 2001 2002 2003 2004 2005 2006
AcreTreatments
CHLOROPICRIN
METHYLBROMIDE
Total Acres
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STRAWBERRY: Fumigant Use
0
5000
10000
15000
20000
25000
30000
35000
40000
1998 1999 2000 2001 2002 2003 2004 2005 2006
AcreTreatments
1,3-D
CHLOROPICRIN
METAM-SODIUM
METHYLBROMIDE
Total Acres
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Strawberries: Gray Mold (Botrytis Fruit Rot)
The fungus infests 100% of strawberry
acreage.
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STRAWBERRY: Fungicide Use, Botrytis Fruit Rot
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
IPRODIONE
BENOMYL
ANILAZINE
VINCLOZOLIN
Total Acres
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STRAWBERRY: Fungicide Use, Botrytis Fruit Rot
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
IPRODIONE
THIRAM
THIOPHANATE-METHYL
BENOMYL
ANILAZINE
VINCLOZOLIN
Total Acres
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STRAWBERRY: Fungicide Use, Botrytis Fruit Rot
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
IPRODIONE
THIRAM
THIOPHANATE-METHYL
FENHEXAMID
CYPRODINIL/FLUDIOXONIL
PYRIMETHANIL
BENOMYL
BOSCALID
ANILAZINE
VINCLOZOLIN
Total Acres
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STRAWBERRY: Fungicide Use, Botrytis Fruit Rot
0
20000
40000
60000
80000
100000
120000
140000
160000
180000
200000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
IPRODIONE
THIRAM
CAPTAN
THIOPHANATE-METHYL
FENHEXAMID
CYPRODINIL/FLUDIOXONIL
PYRIMETHANIL
BENOMYL
BOSCALID
ANILAZINE
VINCLOZOLIN
Total Acres
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WALNUTS: Growth Regulator Use
0
50000
100000
150000
200000
250000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
Ethephon
TotalAcres
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WALNUTS: Growth Regulator Use
0
50000
100000
150000
200000
250000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
Ethephon
TotalAcres
($20/Treatment)
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Walnuts: Growth Regulator Use
� Ethephon application advances harvest by 10-14 days.
� Early harvest avoids the need for final insecticide spray.
� Early harvest improves the quality of walnuts.
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Kiwi: Growth Regulator Use
� 50% of the 1996 crop went unharvested due to small size.
� Research demonstrated that hydrogen cyanamide produces a uniform crop with larger sizes.
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KIWI: Growth Regulator Use
0
1000
2000
3000
4000
5000
6000
7000
8000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
HydrogenCyanamide
Total Acres
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DATES: Miticide Use
0
1500
3000
4500
6000
7500
9000
10500
12000
13500
15000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatm ents
SULFUR
Total Acres
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DATES: Miticide Use
0
1500
3000
4500
6000
7500
9000
10500
12000
13500
15000
1990 1992 1994 1996 1998 2000 2002 2004 2006
AcreTreatments
HEXYTHIAZOX
SULFUR
Total Acres
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California Pesticide Trends Factors 1990-2006
� Public Policy� Section 18’s� FQPA� Water Quality Protection� Methyl Bromide Phaseout� OP Replacement Policy� Biopesticide Registrations� Non-Chemical Control Research
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California Pesticide Trends Factors 1990-2006
� Industry Developments� Generics� Product Price Changes� New Active Ingredients� Biotech Crops
� Nature� New Pests� Weather Changes� Pest Resistance
� Crop Prices
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Q: Has pesticide use increased or decreased in California?
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Q: Has pesticide use increased or decreased in California?
A: Yes.
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