Generic Materials Search: pesticides, plant
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View the OMRI Generic Materials List Glossary in PDF format here.
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Biopesticides
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
Active ingredients that are nonsynthetic may be used as biopesticides unless otherwise noted in the NOP Rule. For use as a pest lure, repellent, or as part of a trap, or as a disease control. May be used for other pesticidal purposes only if the requirements of 205.206(e) are met. See also PLANT PESTICIDES.
205.206(b)(3), 205.206(d)(2) & 205.206(e)
Botanical Pesticides
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
Plant pesticides may be used as lures, repellents, or parts of traps, or as disease controls. They may be used for other pesticidal purposes only if the requirements of 205.206(e) are met. See also CORN GLUTEN – PESTICIDE, PIPERONYL BUTOXIDE, PLANT EXTRACTS, PLANT PESTICIDES, PLANT PREPARATIONS, TOBACCO DUST, and TOBACCO TEA. See Glossary for definition of "pesticide."
205.206(b)(3), 205.206(d)(2) & 205.206(e)
Calcium Lignosulfonate
Allowed with Restrictions
Crop Management Tools and Production Aids
Synthetic
May be used as a chelating agent, dust supressant, and flotation agent as a plant or soil amendment or as a flotation agent in postharvest handling. May be used as either an adjuvant or inert ingredient in combination with active pesticidal ingredients [excluding 25(b) exempt pesticides]. See also INERTS – LIST 4 and LIGNIN SULFONATES. Also known as "lignosulfonic acid, calcium salt."
205.601(j)(4) & 205.601(l)(1)
Horticultural Oils – narrow range
Allowed with Restrictions
Crop Management Tools and Production Aids, Crop Pest, Weed, and Disease Control
Synthetic
See also OILS, PETROLEUM-BASED – NARROW RANGE.
205.2, 205.601(e)(7) & 205.601(i)(7)
Humic Acids – alkali extracted
Allowed
Crop Fertilizers and Soil Amendments, Crop Management Tools and Production Aids
Synthetic
Also called humic acid derivatives. Extracts from nonsynthetic humates by hydrolysis using synthetic alkaline materials are permitted. Includes humates that are extracted using potassium hydroxide, provided that the synthetic extractant is limited to that amount necessary for extraction and is not used to fortify the potassium analysis. See also HUMIC ACIDS – NONSYNTHETIC. Some humic acid derivatives may be used both as an adjuvant or inert ingredient in EPA registered and exempt pesticides. See also INERTS – LIST 4.
205.601(j)(3)
As plant or soil amendments… Humic acids—naturally occurring deposits, water and alkali extracts only.
Limonene
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
Includes d-limonene and l-limonene. See also PLANT PESTICIDES.
205.206(e)
Neem Extract and Derivatives
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
For use as a pest lure, repellent, or as part of a trap, or as a disease control. May be used for other pesticidal purposes only if the requirements of 205.206(e) are met. See also PLANT PESTICIDES.
205.206(a),(b),(c),(d) & (e)
Oils – nonsynthetic sources
Allowed
Crop Management Tools and Production Aids
Nonsynthetic
Plant or animal derived (e.g., fish). Used as spreader-stickers, surfactants, emulsifiers, and carriers. Such oils may not contain synthetic pesticides.
205.105
Petroleum Distillates
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Synthetic
See also OILS, PETROLEUM-BASED – NARROW RANGE.
205.2, 205.601(e)(7) & 205.601(i)(7)
Petroleum-Based Oils
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Synthetic
See also OILS, PETROLEUM-BASED – NARROW RANGE.
205.2, 205.601(e)(7) & 205.601(i)(7)
Plant Pesticides
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
Plant pesticides may be used as lures, repellents, or parts of traps, or as disease controls. They may be used for other pesticidal purposes only if the requirements of 205.206(e) are met. See also CORN GLUTEN – PESTICIDE, PIPERONYL BUTOXIDE, PLANT EXTRACTS, PLANT PREPARATIONS, TOBACCO DUST, and TOBACCO TEA. See Glossary for definition of "pesticide."
205.206(b)(3), 205.206(d)(2) & 205.206(e)
Plant Preparations
Allowed
Crop Fertilizers and Soil Amendments, Crop Management Tools and Production Aids
Nonsynthetic
Allowed unless otherwise specifically restricted or prohibited. See also PLANT EXTRACTS for allowed extractants. Plant preparations that are biocidal in nature are considered botanical pesticides and are restricted; see also PLANT PESTICIDES. See Glossary for definition of "plant preparation."
205.105
Pyrethrum
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
Pyrethrum is a natural botanical extract. Synthetic pyrethroids are prohibited. See also PLANT PESTICIDES. Piperonyl butoxide may not be used as a synergist. See also PIPERONYL BUTOXIDE. Liquid formulations with prohibited inert ingredients are prohibited.
205.206(e)
Quassia amara
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
See also PLANT PESTICIDES.
205.206(e)
Rotenone
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
Particularly toxic to fish. Piperonyl butoxide may not be used as a synergist. See also PIPERONYL BUTOXIDE and PLANT PESTICIDES.
205.206(e)
Ryania
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
See also PLANT PESTICIDES.
205.206(e)
Sabadilla
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
See also PLANT PESTICIDES.
205.206(e)
Sodium Hydroxide
Allowed with Restrictions
Crop Management Tools and Production Aids, Crop Pest, Weed, and Disease Control
Synthetic
May be used as both an adjuvant or inert ingredient in combination with active pesticidal ingredients [excluding 25(b) exempt pesticides]. See also INERTS – LIST 4. May also be used to produce aquatic plant extracts; solvent amount used is limited to that amount necessary for extraction. See also AQUATIC PLANT PRODUCTS – SYNTHETICALLY EXTRACTED.
205.601(m) & 205.601(j)(1)
Suffocating Oils
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Synthetic/Nonsynthetic
See also OILS – NONSYNTHETIC SOURCES listings and OILS, PETROLEUM-BASED – NARROW RANGE.
205.105, 205.206(e) & 205.601(e)(7)
Summer Oils
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Synthetic
See also OILS, PETROLEUM BASED – NARROW RANGE and OILS – NONSYNTHETIC SOURCES.
205.601(e)(7) & 205.601(i)(7)