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Wild lupin (tarwi) decoction

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Wild lupin (tarwi) decoction

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Plant vitality Decoction Plant-based

Decoction

Extraction by prolonged boiling, used for hard plant parts (roots, bark, woody stems, seeds) whose active compounds need more time and heat to release than a simple infusion provides.

Process summary

1) Finely chop the hard plant material. 2) Cover with cold water in a pot. 3) Bring to a boil and simmer for 15 to 30 minutes (sometimes longer, depending on the material). 4) Let cool, strain and use the resulting liquid.

See all preparation methods

 ✅ Authorised (some countries) Bio-inputs in BurundiBio-inputs in ColombiaBio-inputs in Costa RicaBio-inputs in IndonesiaBio-inputs in IndiaBio-inputs in KenyaBio-inputs in South KoreaBio-inputs in MoroccoBio-inputs in PeruBio-inputs in the PhilippinesBio-inputs in RwandaBio-inputs in TanzaniaBio-inputs in UgandaBio-inputs in South SudanBio-inputs in the Congo - KinshasaBio-inputs in Somalia

Decoction of wild lupin leaves, stems or roots with aloe vera or prickly pear as a sticker, mixed with soapy water, used in family greenhouses on the Bolivian altiplano.

Application

Application description: In greenhouses, on vegetables, flowers and herbs, in the afternoon, with a fine-spray sprayer.

Dose: 1 L of preparation in 5 L of water; a 20 L sprayer for about 30 m².

Tips

Wild lupins contain toxic alkaloids: gloves, and keep away from children and animals. Before any use, check your country's regulations: in the EU, a homemade preparation presented for plant-protection use is not authorised.

Preparation process

1. Finely chop the lupin.
2. Add it to 12 L of boiling water with the scraped aloe vera or prickly pear.
3. Boil for 15 minutes.
4. Mix with the soapy water.
5. Cool and leave for 6 hours.

Ingredients

  • Water ⓘ — 5.283 gal
  • Liquid soap or neutral detergent ⓘ
  • Aloe vera (leaf gel) ⓘ — 3.527 oz
  • Wild lupin (tarwi, Lupinus sp.), leaves, stems or roots ⓘ — 17.637 oz
  • For 20 L: 500 g fresh wild lupin leaves, stems or roots; 100 g aloe vera or prickly-pear pad; 10 L water; 10 L water with neutral or sulphur soap.

Tools and equipment

  • Heat-resistant pot or cauldron
  • Strainer or filter cloth
  • Manual or backpack sprayer

Preparation time

About 7 hours; use within 24 hours.

Product obtained

Slightly viscous green liquid.

Source / Reference

IPES, RUAF Foundation and FAO (2010). “Biopreparados para el manejo sostenible de plagas y enfermedades en la agricultura urbana y periurbana”, ¿Cómo hacerlo? series, sheet n.º 27, validated by FAO in 1,400 protected family micro-gardens in El Alto (project GCP/035/BOL/BEL, Bolivia): https://www.fao.org/3/a-as435s.pdf — guide also circulated by Portal Frutícola. Recipe written in our own words.

Recipe written in our own words by biopreparados.es. Copyright and sources

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Contact person

Grégory Prybys
Tel: +33 7 75 76 37 70 — WhatsApp: +54 9 11 2157 0868
Country: Argentina

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Regulatory status

✅ Authorised in Burundi, in Colombia, in Costa Rica, in Indonesia, in India, in Kenya, in South Korea, in Morocco, in Peru, in the Philippines, in Rwanda, in Tanzania, in Uganda, in South Sudan, in the Congo - Kinshasa and in Somalia Bio-inputs in BurundiBio-inputs in ColombiaBio-inputs in Costa RicaBio-inputs in IndonesiaBio-inputs in IndiaBio-inputs in KenyaBio-inputs in South KoreaBio-inputs in MoroccoBio-inputs in PeruBio-inputs in the PhilippinesBio-inputs in RwandaBio-inputs in TanzaniaBio-inputs in UgandaBio-inputs in South SudanBio-inputs in the Congo - KinshasaBio-inputs in Somalia

Bio-inputs in Burundi Authorised bio-preparations: Burundi
Bio-inputs in Colombia Authorised bio-preparations: Colombia
Bio-inputs in Costa Rica Authorised bio-preparations: Costa Rica
Bio-inputs in Indonesia Authorised bio-preparations: Indonesia
Bio-inputs in India Authorised bio-preparations: India
Bio-inputs in Kenya Authorised bio-preparations: Kenya
Bio-inputs in South Korea Authorised bio-preparations: South Korea
Bio-inputs in Morocco Authorised bio-preparations: Morocco
Bio-inputs in Peru Authorised bio-preparations: Peru
Bio-inputs in the Philippines Authorised bio-preparations: Philippines
Bio-inputs in Rwanda Authorised bio-preparations: Rwanda
Bio-inputs in Tanzania Authorised bio-preparations: Tanzania
Bio-inputs in Uganda Authorised bio-preparations: Uganda
Bio-inputs in South Sudan Authorised bio-preparations: South Sudan
Bio-inputs in the Congo - Kinshasa Authorised bio-preparations: Congo - Kinshasa
Bio-inputs in Somalia Authorised bio-preparations: Somalia

In the EU, this preparation is not an approved basic substance: a homemade preparation presented for plant-protection use is not authorised there. Plant preparations and extracts appear on the official lists of inputs permitted in organic farming of: Burundi, Colombia, Costa Rica, Indonesia, India, Kenya, South Korea, Morocco, Peru, Philippines, Rwanda, Tanzania, Uganda, South Sudan, DR Congo, Somalia. Depending on the country, the certification body's approval may be required: see each country's page.

Official texts

What the icons mean: ✅ Authorised ⚠️ Tolerated 🟠 Not prohibited ⛔ Not authorised EU 🔎 Status being verified Full details →

Documentary information, checked on 26/10/2026. Not a substitute for legal advice; regulations may vary from country to country. See the regulations · Substances authorised in Europe

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