As a follow-up to our last weeks workshop on natural pest control the recipes are posted here:
Maceration
In cold water for 12-24 hours
- Garlic: slugs, mildew, carrot fly, aphids
- Hot pepper: slugs, onion fly
- Chives: carrot fly
- Stinging nettle: aphids
- Compost
Infusion
Like a tea, pour boiling water over plant parts
200 g (2 kg fresh) with 10 l of boiling water, let infuse for 1 h, 10-20 % diluted
- Basil tea: 8 tsp dry basil with 1 l of boiling water, against aphids and spider mites on leaf plants
- Onion (-peel), garlic, chives, horseradish, nasturtium, achillea, birch leaves: against fungi
- Wormwood, mugwort, tansy, thyme, hyssop, sage, lavender, lovage: pest repellent
Decoction
200 g (2 kg fresh) in 10 l of water, boiling for 30-60 minutes, 10-30 % diluted
- Rhubarb leaves: against sucking and biting insects, e. g. aphids
- Common horsetail: against fungi, e. g. bean rust
Solution
Dissolve in water
- Baking soda: fungi (e. g. mildew), 50 ml baking soda in 4 l water plus 50 ml of dish soap
- Soap: soft skinned bugs (aphids)
Liquid manure
200 g dried or 2 kg fresh with 10 l of water, fermentation for 10-21 days, strain and ferment another 3-8 days
- Stinging nettle + comfrey
- Weeds: couch grass, thistle, ground elder, bindweed (morning glory), gallant soldier (potatoe weed), common chickweed, common knotgrass, plantain, chamomile: to strengthen plants, weeds contain auxins, vitamins, enzymes and phenols
- Oak: bark or leaves
- Calendula
- Herbs: their essential oils protect and strengthen plants
Against sucking and biting insects:
- Rhubarb leaves, staghorn sumac, nasturtium, wood fern, eagle fern
- Walnut, oak, horse chestnut (conker tree)
Diatomaceous earth
- used as powder against cucumber beetle, cabbage white caterpillar, slugs, flea beetle, …
Slugs
- Collect (kill)
- eggshells or sand
- beer trap (attracts more slugs)
- wooden board (they will hide under during the day and are easier to collect)
- work the soil surface to dry quicker
- avoid mulching (moist soil)
- strips of dry soil all around the garden
- don’t provide hiding spots
- till the soil in fall after the first frost to destroy eggs
Squirrels
- Net, cage (chicken wire)
- Don’t attract them (garbage, bird feeder)
- Lead them to other spots: water, fodder
- Have your cat or dog in the garden
- What does not work: hair or urine of carnivores
Ressources:
https://www.plantvillage.com/en/topics/basil/infos/diseases_and_pests_description_uses_propagation
http://www.jardincommunautairestfelicien.org/controle_ecologique.pdf
http://phytopath.ca/publications/diseases-of-vegetable-crops-in-canada/
Un Plant de Tomate à la Fois 