Md. Code Regs. 15.22.02.08

Current through Register Vol. 52, No. 1, January 10, 2025
Section 15.22.02.08 - Pest and Disease Control
A. A producer may use the following practices and substances consistent with applicable label instructions:
(1) Adjuvants and wetting agents (organic);
(2) Allelochemics (attractants, deterrents, repellants, locomotor stimulants, and convalescents);
(3) Bacillus thuringiensis (B.t.);
(4) Beneficial insects, predators, parasites;
(5) Biological pesticides and emulsifiers or synergists;

(5-1) Cryolite;

(6) Cultural practices (timing, environments);
(7) Diatomaceous earth;
(8) Dormant oils;
(9) Elemental sulfur or liquid sulfur;
(10) Fiber row covers;
(11) Fungicidal soaps;
(12) Garlic, hot peppers, or pureed plants;
(13) Growth regulators, only if organically derived;
(14) Herbal or plant-derived controls (deer repellent);
(15) Hydrogen peroxide;
(16) Insect extracts or purees;
(17) Lime sulfur, including calcium polysulfide;
(18) Mechanical or electrical controls;
(19) Microbial or viral agents;
(20) Micronutrients, with toxicity to be avoided;
(21) Natural barriers, which include fencing and protective coatings from approved natural products;

(21-1) Neem;

(21-2) Pesticides from naturally occurring organisms;

(22) Pheromones;
(23) Physical barriers;
(24) Pyrethrums, if from a botanical source;
(25) Quassias;
(26) Resistant varieties;
(27) 1 percent Rotenone;
(28) Ryania;
(29) Ryania, pyrethrum, and rotenone blends, if from a botanical source;
(30) Sabadilla;
(31) Seed inoculants;
(32) Soaps;
(33) Sound;
(34) Summer oils;
(35) Supplemental feeding or management techniques;
(36) Timing of plantings;
(37) Trapping substances;
(38) Tree seals;
(39) Vacuuming;
(40) Viral sprays; or
(41) Vitamins.
B. A producer may use the following substances and practices subject to applicable label instructions, but only for the purpose listed for each:
(1) Arsenic, which may only be used in pressure-treated wood but not for growing boxes;
(2) Baking soda and vinegar, which may be used for sanitation only;
(3) Boric acid, which may not be used on edible plant parts;
(4) Chlorine bleach, which may only be used as a disinfectant;
(5) Dormant oils (woody dormant);
(6) Hydrated lime, which may be used only as a foliar fungicide;
(7) Lime sulfur, which may be used only as a foliar fungicide; or
(8) Summer oil, which may not be used as a herbicide.
C. If approved by the Department as part of the farm plan, a producer may use the following substances subject to applicable label instructions:
(1) Streptomycin, with overuse to be avoided;
(2) Treated seeds;
(3) Bordeaux mixture;
(4) Copper hydroxide;
(5) Copper sulfate;
(6) Cupric oxide; or
(7) Tribasic copper formulations.
D. A producer using any of the copper-containing products listed in §C(3)-(7) of this regulation shall monitor the soil to avoid copper buildup.
E. A producer may use traps containing pesticides prohibited by this subtitle that do not contact, and are not added to, soil or water.
F. An organic producer may not use:
(1) Synthetically compounded pesticides;
(2) Nonsynthetic compounds, such as:
(a) Arsenic;
(b) Ash from manure burning;
(c) Lead salts;
(d) Sodium floualuminate (mined);
(e) Strychnine; or
(f) Tobacco dust, or nicotine-based products; or
(3) Genetically engineered or modified organisms.
G. A producer shall forward to the Department before use the label and any other instructions for a product not listed in this regulation.

Md. Code Regs. 15.22.02.08

Regulations .08 adopted as an emergency provision effective May 21, 1991 (18:12 Md. R. 1318); emergency status expired December 1, 1991; adopted permanently effective April 13, 1992 (19:7 Md. R. 746)
Regulation .08 amended as an emergency provision effective January 30, 2001 (28:4 Md. R. 415); amended permanently effective May 14, 2001 (28:9 Md. R. 888)
Regulations .08 and G adopted as an emergency provision effective May 19, 1995 (22:12 Md. R. 897); emergency status extended at 22:19 Md. R. 1470; adopted permanently effective October 9, 1995 (22:20 Md. R. 1545)