PAN Pesticides Database - California Pesticide Use

Pesticide Use on Forests in 2016

Note: See Working with the Information on this Page section below for important notes about this data.

Identifying information about Forests, including commodity group and code number.
Top 50 pesticides used on Forests, with information on the identity, use type and toxicity of each pesticide, as well as gross pounds used, application rate, acres planted, and number of applications.
Pesticide use on Forests by county for all counties in California, with information on gross pounds used, application rate, acres planted, and number of applications.

Crop or Site information for Forests

Basic Identification Information About This Crop or Site
Name
CDFA Commodity Group
Use Category
EPA Site Code
DPR Site Code
Forests, General
Forests
AG
30000
30000

PUR acreage estimates for forests may be lower than actual planted acres because a significant portion of the acreage may not be sprayed and thus not reported.

 

Top 50 Pesticides Used on Forests in California in 2016


Totals for 2003 and later may be under-reported due to omission of adjuvants in DPR's data since that time.
Chemical Name
(CA Chem Code)
Chemical Class PAN Bad Actor Gross
Pounds
Application Rate
Pounds per acre treated
Acres Planted
where all or part
has been sprayed
Acres Treated
All Chemicals (NA, 00)
Not Listed 490,742 1.16 790,684 424,280
Uses:
Methyl soyate (3519)
Fatty acid ester Not Listed 133,992 2.30 390,040 58,363
Uses: Adjuvant
Glyphosate, isopropylamine salt (1855)
Phosphonoglycine Yes 83,720 2.03 254,526 41,318
Uses: Herbicide
Glyphosate, dimethylammonium salt (5972)
Phosphonoglycine Yes 82,056 2.28 243,363 36,065
Uses: Herbicide
Oleic acid, methyl ester (2266)
Fatty acid ester Not Listed 40,364 2.50 107,506 16,125
Uses: Adjuvant
Hexazinone (1871)
Triazinone Yes 26,200 2.24 82,161 11,671
Uses: Herbicide
Nonyl phenoxy poly (ethylene oxy) ethanol (1743, 1397, 3999, 5755)
Polyalkyloxy Compound Not Listed 23,823 0.41 394,798 58,436
Note! Data for Nonyl phenoxy poly (ethylene oxy) ethanol summarizes data from 2 or more chem codes and may not agree with DPR summaries which total data for each chem code.
Uses: Adjuvant, Plant Growth Regulator, Soap or Surfactant
Imazapyr, isopropylamine salt (2257)
Imidazolinone Not Listed 23,092 0.49 329,539 47,463
Uses: Herbicide
Oxyfluorfen (1973)
Diphenyl ether Yes 16,687 1.44 81,090 11,557
Uses: Herbicide
Triclopyr, triethylamine salt (2131)
Chloropyridinyl Not Listed 14,803 1.27 47,788 11,647
Uses: Herbicide
Triclopyr, butoxyethyl ester (2170)
Chloropyridinyl, Glycol Ether Not Listed 10,890 1.67 75,740 6,538
Uses: Herbicide
Lecithin (3264)
Botanical Not Listed 7,770 0.64 92,310 12,227
Uses: Fungicide
Alpha-alkyl-omega-hydroxypoly (oxyethylene) poly (oxyethylene), (1884)
Polyalkyloxy Compound Not Listed 7,300 0.75 86,822 9,727
Uses: Adjuvant
Aminopyralid, triisopropanolamine salt (5928)
Pyridinecarboxylic acid Not Listed 5,050 0.77 58,408 6,559
Uses: Herbicide
2,4-D, 2-ethylhexyl ester (1622)
Chlorophenoxy acid, salt, or ester Yes 2,543 1.62 19,824 1,568
Uses: Herbicide
Clopyralid, monoethanolamine salt (5050)
Pyridinecarboxylic acid Not Listed 1,757 0.27 57,443 6,444
Uses: Herbicide
Glyphosate, potassium salt (5820)
Phosphonoglycine Yes 1,398 2.46 7,044 567.5
Uses: Herbicide
Oleic acid, ethyl ester (3933)
Fatty acid ester Not Listed 1,239 0.31 3,763 4,056
Uses: Plant Growth Regulator, Adjuvant
Disodium tetraborate decahydrate (79)
Inorganic Not Listed 1,192 0.42 3,144 2,870
Uses: Insecticide, Herbicide
Undecyl polyoxyethylene (5 moles ethylene oxide) (3929)
Polyalkyloxy Compound Not Listed 1,080 0.29 16,938 3,749
Uses: Adjuvant
Tall oil acids (1389)
Fatty acid Not Listed 986.7 0.43 17,205 2,317
Uses: Adjuvant
Mineral oil, refined (401, 3846, 3847, 2601, 2106, 2045, 2768)
Petroleum derivative-Saturated Not Listed 711.5 1.12 13,384 636.7
Note! Data for Mineral oil, refined summarizes data from 2 or more chem codes and may not agree with DPR summaries which total data for each chem code.
Uses: Herbicide, Plant Growth Regulator, Insecticide, Adjuvant, Solvent
3-(3-hydroxypropyl)-heptamethyl trisiloxane, ethoxylated, acetate (2610)
Silicone Not Listed 646.3 0.24 17,943 2,684
Uses: Adjuvant
Ammonium sulfate (1363)
Inorganic Not Listed 470.4 0.09 32,457 5,165
Uses: Herbicide, pH Adjustment
Penoxsulam (5889)
Triazolopyrimidine Not Listed 351.9 0.03 81,090 11,557
Uses: Herbicide
Disodium octaborate tetrahydrate (1800)
Inorganic Not Listed 343.6 0.09 2,492 3,654
Uses: Insecticide, Herbicide
Stearic acid ETO adduct (3.5 moles) (2891)
Polyalkyloxy Compound Not Listed 309.7 0.08 3,763 4,056
Uses: Adjuvant
2,4-D, isooctyl ester (809)
Chlorophenoxy acid, salt, or ester Yes 290.1 3.19 675.0 91.0
Uses: Herbicide
Propionic acid (505)
Carboxylic acid or salt Not Listed 248.9 0.15 2,235 1,647
Uses: Fungicide, Microbiocide, Preservative
Thymol (991)
Phenol Not Listed 229.3 0.57 100.0 400.0
Uses: Microbiocide, Insecticide
Silicone-polyether copolymer (3520, 3841)
Polyalkyloxy Compound, Polymer, Polyalkyloxy Compound Not Listed 209.4 0.03 31,501 8,012
Note! Data for Silicone-polyether copolymer summarizes data from 2 or more chem codes and may not agree with DPR summaries which total data for each chem code.
Uses: Adjuvant
Citric acid (142)
Botanical Not Listed 141.0 0.02 33,098 6,826
Uses: pH Adjustment, Fungicide, Microbiocide
Fluroxypyr 1-methylheptyl ester (5918)
Pyridinecarboxylic acid Not Listed 104.1 0.38 450.2 277.1
Uses: Herbicide
Phosphoric acid (871)
Inorganic Not Listed 97.3 0.02 25,921 4,020
Uses: Fungicide, pH Adjustment, Herbicide, Microbiocide
a-(p-nonylphenyl)-omega-hydroxypoly (oxyethylene) with an average of 4.2 moles of ethylene oxide.the nonyl group is a propylene (2066)
Polyalkyloxy Compound Not Listed 90.7 0.14 6,735 669.4
Uses: Microbiocide
Sulfometuron methyl (2149)
Sulfonylurea Not Listed 87.0 0.10 13,515 912.8
Uses: Herbicide
Ammonium nitrate (3052)
Inorganic Not Listed 61.6 0.06 5,785 1,028
Uses: Rodenticide, Microbiocide
Permethrin (2008)
Pyrethroid Yes 56.7 9.83 - 0.0100
Uses: Insecticide
Fatty acids, mixed (2069)
Fatty acid Not Listed 52.9 0.02 10,586 2,925
Uses: Adjuvant
Calcium chloride (920)
Inorganic Not Listed 42.7 0.02 3,665 2,559
Uses: Fungicide, Herbicide, Insecticide, Microbiocide, Molluscicide
Alcohol ethoxylate (C9-C11, 6 EO) (2700)
Polyalkyloxy Compound Not Listed 42.6 0.05 3,129 902.3
Uses: Adjuvant
Diethylene glycol (2334)
Glycol Not Listed 38.9 0.03 5,940 1,253
Uses: Adjuvant, Solvent
Tall oil (2912)
Botanical Not Listed 22.7 0.09 6,247 254.4
Uses: Adjuvant
2,4-D, alkanolamine salts (ethanol and isopropanol amines) (801)
Chlorophenoxy acid, salt, or ester Not Listed 20.4 10.2 650.0 2.00
Uses: Herbicide
Strychnine (554)
Botanical Yes 17.7 0.0038 29,434 4,711
Uses: Rodenticide, Avicide
Polyoxyethylene castor oil (3740, 2555, 5974)
Polyalkyloxy Compound Not Listed 17.5 0.13 2,761 131.0
Note! Data for Polyoxyethylene castor oil summarizes data from 2 or more chem codes and may not agree with DPR summaries which total data for each chem code.
Uses: Adjuvant, Soap or Surfactant
Alkyl (C8,C10) polyglycoside (4015)
Polyalkyloxy Compound Not Listed 15.7 0.12 2,761 131.0
Uses: Adjuvant
Dimethyl alkyl tertiary amines (3639)
Not Listed 13.1 0.0062 12,696 2,106
Uses: Algaecide, Microbiocide
Sec-butyl alcohol (3078, 1482)
Alcohol/Ether Not Listed 13.0 0.12 - 110.0
Note! Data for Sec-butyl alcohol summarizes data from 2 or more chem codes and may not agree with DPR summaries which total data for each chem code.
Uses: Solvent
Benzoic acid (1329)
Benzoic acid Not Listed 12.0 0.0057 12,696 2,106
Uses: Fungicide, Insecticide

Regional Use for All Chemicals on Forests in 2016

Region
(County Code)
Gross
Pounds
Application
Rate
pounds per acre treated
Acres Planted
where all or part
has been sprayed
Acres Treated Application
Count
California (00)
490,742 1.16 790,684 424,280 8,197
Shasta (45)
129,190 1.50 196,082 85,934 1,626
El Dorado (09)
82,917 1.67 54,962 49,535 884
Siskiyou (47)
51,909 1.07 71,920 48,336 610
Tuolumne (55)
30,427 0.74 8,962 41,128 852
Placer (31)
28,116 1.44 4,596 19,532 237
Plumas (32)
22,662 1.02 41,037 22,296 388
Tehama (52)
21,588 1.16 44,571 18,543 337
Trinity (53)
19,544 0.91 55,444 21,587 576
Mendocino (23)
19,398 0.72 81,321 27,128 426
Butte (04)
17,485 1.19 60,151 14,662 431
Humboldt (12)
15,692 0.72 88,670 21,860 774
Calaveras (05)
12,026 2.15 1,681 5,594 258
Lassen (18)
11,355 1.38 43,018 8,228 163
Lake (17)
10,303 0.90 3,282 11,439 52
Yuba (58)
9,100 1.02 12,467 8,916 189
Nevada (29)
2,926 0.37 3,314 8,006 105
Sierra (46)
2,658 0.35 11,728 7,540 134
Del Norte (08)
1,788 0.96 634.3 1,858 84
Amador (03)
714.8 1.32 316.2 541.8 25
Sonoma (49)
546.2 0.91 6,080 600.0 6
Fresno (10)
281.5 0.43 - 660.0 3
San Bernardino (36)
62.7 4.81 - 1.03 10
Madera (20)
49.8 4.53 320.0 11.0 3
Mariposa (22)
2.92 0.93 109.4 3.14 5
Santa Cruz (44)
1.58 0.0046 18.0 342.0 19
Working with the Information on this Page

* Complete 2001 data for Kern county was never submitted by the Kern County Agricultural Commissioners office. This missing data includes approximately 32,000 records totaling roughly 10 million pounds. An omission of this scale will significantly impact statewide trends.

** The 2005 data for Ventura county is incomplete because not all of the data was available at the time of DPR's release. Missing data includes mostly applications made in November and December. An estimate based on reported use in Ventura County during November and December from 2002 to 2004 suggests that the 2005 total pounds is underreported by approximately 500,000 pounds. The active ingredients most affected are captan and petroleum oil. See the DPR's 2005 PUR report for additional details.

NOTE! See methodology and documentation for California Pesticide Use Reporting for important qualifications on these numbers.

Click on the commodities name links for special caveats on the data for each commodity. For more detailed use information, including data for other years, search our California Pesticide Use database. Original source for all pesticide use data is the California Pesticide Use Report (PUR) dataset, collected and managed by the California Department of Pesticide Regulation. Significant processing of the original dataset is required to generate the summary data presented here; see documentation for a full discussion of data handling.

NOTE! Comments on the accuracy of Acres Planted reflect PAN's analysis of acreage data from the California Agricultural Statistics Service (CASS) and Department of Pesticide Regulation Pesticide Use Reporting data. The method used to assess acreage accuracy is described in the documentation. Accuracy was evaluated for aggregate, statewide California acreage, but not for smaller regions (e.g., counties). See CASS acreage estimates for additional information.

Click on underlined terms for definitions or go to the Pesticide Tutorial overview page.

Any underlined term with a book icon has additional information.

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Definitions
  • Acres Planted is the planted acreage of the crop in the selected region where the selected chemical was applied. This figure may not be the total acreage of the selected crop. To obtain the total planted acreage for a crop or county, see the crop and county pages available from the Pesticide Use Search Page. See documentation for important distinctions between acres treated and acres planted.
  • Acres Treated is the acreage of the crop actually treated with the pesticide. Gross Pounds applied divided by Acres Treated is the application rate of the pesticide. The difference between Acres Planted and Acres Treated is best explained through an example:If a farmer has a 100-acre field and sprays 50 acres, then the Acres Planted will be 100 and the Acres Treated will be 50. If a farmer sprays 50 of their 100 acres three times, then the Acres Planted will remain at 100 acres, but now the value of Acres Treated will be 150. This figure may not be the total acreage of the selected crop. See documentation for further distinctions between acres treated and acres planted.
  • Application Count indicates the number of times this chemical was applied.
  • Application Rate indicates the total pounds applied to acreage divided by the total treated acres. Only pounds applied to acreage are used to calculate the application rate. This excludes pesticides used to fumigate stored commodities or other non-cropland applications. See documentation for important distinctions between acres treated and acres planted.
  • Chemical Class indicates the chemical classification of this chemical.
  • Chemical Code is the California Department of Pesticide Regulation code number assigned as an identifier for each chemical.
  • Chemical Uses indicates the major uses for this chemical, with the most common use listed first.
  • County Code is a code number that various California State agencies use to identify each California county. There are 58 total counties.
  • Field Count is the number of fields where this chemical was applied.
  • Gross Pounds indicates the total pounds used, including both pounds used on acreage and pounds used in other applications such as commodity fumigation.
  • PAN Bad Actor indicates whether this chemical belongs to the group of most toxic pesticides or not. See link for a full definition of this term.