Nicotine and Tobacco Sprays Marijuana Horticulture by Jorge Cervantes Ingredients – Nicotine is a nonpersistent pesticide derived from tobacco, Nicotiana tabacum. It is a stomach poison, contact poison, and respiratory…

Neem Oil Marijuana Horticulture by Jorge Cervantes Ingredients – Purified extract from neem seeds. Buy only cold-pressed oil that is stronger and contains all the natural ingredients. Do not use…

Neem Marijuana Horticulture by Jorge Cervantes Ingredients – Relatively new in the USA, neem has been used for medicine and pest control for more than four centuries in India and…

Homemade Pest and Disease Sprays Marijuana Horticulture by Jorge Cervantes Ingredients – A strong, hot taste, smelly odor, and a desiccating powder or liquid are the main ingredients in home…

Diatomaceous Earth (DE) Marijuana Horticulture by Jorge Cervantes Ingredients – Naturally occurring DE includes fossilized silica shell, remains of the tiny one-celled or colonial creatures called diatoms. It also contains…

Copper Marijuana Horticulture by Jorge Cervantes Ingredients – The compounds – copper sulfate, copper oxychloride, cupric hydroxide and cuprious oxide – a re common forms of fixed copper used as…

Bug Bombs Marijuana Horticulture by Jorge Cervantes Ingredients – often bug bombs are packed with very strong insecticides and miticides, including synthetic pyrenthrins that exterminate every pest in the room.…

Boric Acid Marijuana Horticulture by Jorge Cervantes Ingredients – Available in the form of borax hand soap and dust. Controls – Lethal as a contact or stomach poison. Kills earwigs,…

Bordeaux Mixture Marijuana Horticulture by Jorge Cervantes Ingredients – Water, sulfur, copper (copper sulfate) and lime (calcium hydroxide). Controls – Most often used as a foliar fungicide. Also, controls bacteria…

Laundry Bleach Marijuana Horticulture by Jorge Cervantes Ingredients – Sodium hypochlorite. Controls – Numerous bacteria and fungi. Caution – Avoid skin contact and inhalation. Concentrate burns skin and stain clothes.…

Baking Soda Marijuana Horticulture by Jorge Cervantes Ingredients – Sodium bicarbonate. Controls – Powdery mildew. Caution – Baking soda kills fungus by changing the pH of foliage surface. It functions…

Bacillus thuringiensis (Bt) and Bacillus species Marijuana Horticulture by Jorge Cervantes Bacilus thuringiensis (Bt) is the best known of several bacteria that are fatal to caterpillars, larvae, and maggots. Caterpillars,…

Abamectin Marijuana Horticulture by Jorge Cervantes Ingredients – Abamectin derivatives include emamectin and milbemectin. Does not bioaccumulate. Used extensively on hops; abamectin is not truly systemic. It is absorbed from…

Spreader-Sticker for Pesticides Marijuana Horticulture by Jorge Cervantes Spreader-stickers improve and promote wetting and increase sticking and absorption through foliage. Spreader-sticker products increase effectiveness of fertilizers, fungicides, insecticides, etc. They…

Sprays and Traps Marijuana Horticulture by Jorge Cervantes I do not recommend using chemical fungicides, fungistats, insecticides, or miticides on plants that are destined for human consumption. Most contact sprays…