Ecological insecticides for plants

Through this organic farming compendium we collect information on organic insecticide preparations to treat the main pests of the vegetables in your garden. Most are blends of natural products and are based on methods that have been proven effective as long as there is complete garden care.

 

LIST OF PESTS AND TREATMENTS BASED ON THE USE OF ECOLOGICAL INSECTICIDES

ECOLOGICAL INSECTICIDES FOR RED SPIDER ( TETRANYCHUS SP.)

Horsetail decoction : whole plant. Macerate for 12 hours and boil 45 min the next day. It is sprayed 3 times on consecutive days and in full sun.

Nettle slurry: whole plant except root (100g / L fresh nettle, 20g / L dry nettle). Fermentation for 14 days. The plant is sprayed during budding.

Sulfur dusting: fine-grained sulfur, dusted by hand or machine. The leaf is well covered, especially on the underside. Avoid application in flowering.

ECOLOGICAL INSECTICIDES FOR BLACK APHIDS ( APHIS FABAE)

Wormwood slurry: the fresh plant is used (150g / l) and fermented for 12 days. Apply on affected plants in spring.

Nasturtium infusion: fresh plant (100g / L) and sprayed on the plants in doses of 5%.

Walnut maceration: walnut leaves collected in autumn (200g / L) and sprayed on the affected plants.

Potash soap: dose of 15-30 g / L. Spray on affected plants.

ECOLOGICAL INSECTICIDES FOR POTATO BEETLES ( LEPTINOTARSA ​​DECEMLINEATA)

Maceration of Pelitre: prepare a broth of dried flowers (50 g / L) and spray on the plants undiluted.

Algae powder or rock powder: sprinkle directly on plants.

ECOLOGICAL INSECTICIDES FOR WEEVILS ( BRACHYCERUS ALGIRUS)

Absinthe slurry: already commented.

Peppermint spraying: the leaves are allowed to dry and spray at 1%.

Basil emulsion: the ripe leaves and seeds are used. Mix with ethereal oil.

ECOLOGICAL INSECTICIDES FOR THRIPS (THRIPS TABACI)

Tobacco solution: 250 g of tobacco, 30 g of soap and 4 L of water. The whole is boiled for 30 min. 25% spray on the crop.

Pyrethrum powder: a tablespoon of pyrethrum powder, half a liter of water and liquid soap (very little). It rests for half an hour and applies immediately.

ECOLOGICAL INSECTICIDES FOR PEPPER WHITEFLY ( TRIALEURODES VAPORARIOURUM)

Potash soap preparation: already commented.

Tobacco solution: already commented.

Yellow traps : yellow trap with sticky substance.

ECOLOGICAL INSECTICIDES FOR CATERPILLAR ( MARUCA TESTULALIS)

Decoction of Quasia: 150 g / L and in concentration of 10%. Alone or with potash soap (25g / L). Quassia amara.

Tobacco solution: already commented.

ECOLOGICAL INSECTICIDES FOR OLIVE MOTH ( PRAYS OLEAELLUS)

Wormwood Purín: already commented.

Decoction of Quasia: already commented.

Yarrow maceration:  Achillea millefolum. The flowers are used (20 g / L) and in doses of 10%. It is sprayed on the plants.

Rhubarb slurry:  Rheum rhabarbarum. The leaves (150 g / L) are used undiluted. Spray 3 times on consecutive days.

ECOLOGICAL INSECTICIDES FOR WHITE CAP ( CEROPLASTES SINENSIS)

Control by treatment: emulsion of mineral oils (1.5-2%) in trees in full vegetation. It is applied in summer, until the color of the fruit changes. The first 15 days of August is the most recommended.

ECOLOGICAL INSECTICIDES FOR TOMATO MINER (LIRIOMYZA SONALI)

Tobacco solution: already commented.

Treat with cassia bark ( Cassia amara ): 150 g of Cassia in 2 liters of water and boil for a few minutes. Mix with 250 g of neutral soap and dilute in 10 liters of water.

You can have all these extracts and many more in the book of plants to cure plants,  with a list of plants used as ecological remedies, recipes to create extracts and the correct use of these ecological remedies in the garden.

 

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