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Insecticidal Natural Prevention Methods | (Read 237 times) |
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alexisavoire
Posts: 120
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April 11, 2008, 02:41:13 PM |
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From Permaculture in New Zealand website (permaculture.org.nz). Long list of prevention methods.
RECIPES FOR ORGANIC SPRAYS
Washing machine water
Water from the washing machine can be collected and used directly on plants in the garden. This soapy water can be collected during the spin cycle and seems to work very well on tomatoes. Simply splash water over the plants to water and protect from a variety of pests.
Soap spray, Use for aphids, red spider mites, thrips
225g Plain soap 9 litres hot water
Grate soap and dissolve in water, stirring well. Cool before use. After spraying infected plants gently hose down with clean water. Repeat as often as necessary.
Pyrethrum, Use for general insecticide for white fly, scale, thrips, leaf hoppers. leaf miners, borers, caterpillars, beetles
Dried feverfew or Pyrethrum flowers Boiling water
Pour boiling water over flowers and cover. Leave to seep until cool. Make small amounts at a time and use regularly after the sun has gone down, as this spray can harm bees. This spray should be pale in colour.
Garlic, Use for ants, spiders, white fly, Beetles, leaf hoppers, scale, citrus bugs (stink bugs), caterpillars, aphids, cabbage and tomato worms
4 cloves of crushed garlic 1 litre water
Leave garlic to seep in water for several days before use.
Elderleaf, Use for fungal infections
Leaves are boiled in water for 20 minutes. However, I recommend seeping in boiled water and leaving for a few days as the steam could be hazardous. Dilute solution to a pale yellow before use.
Nettle tea, Use for white fly, aphids, leaf hoppers
Cut tops of plants, leaving roots to re-grow
Put leaves and stems in a pot with sufficient water to cover and bring to the boil. Boil for about 10 minutes. Cool, strain. Dilute to the colour of weak tea before use.
Seaweed tea, Use for mildew, fruit rot, rust and general feed
Leave seaweed to soak in water for 2 weeks before use. Dilute to a pale sherry colour.
Comfrey tea, Use for rust
Make as for Seaweed tea.
Chamomile tea, Use for rust
Use fresh or dried flowers. Boil in water. Dilute until very pale in colour. Cool before use.
Horsetail, Use for mildew
1 Tablespoon dried or fresh horsetail 1 litre of water
Boil for 20 minutes, then stand overnight or longer. High in Silica and vitamins so pour remains into the soil.
Bracken, Use for aphids
Chopped fern covered in water left to steep for 2-3 days. Dilute to pale liquid.
Wormwood, Use for aphids, leaf hoppers,
Use leaves over soil to deter slugs or make a strong tea. Seep in water for a fortnight. Dilute and spray to deter aphids, white fly, citrus bugs (stink bugs), caterpillars, flies and mosquitoes.
Onion spray, For spider mites, caterpillars, thrips
Place onions in blender or chop. Cover in boiling water. Cool and dilute before use.
Chive tea, Use for mildew
Dried or fresh chives finely cut steeped in boiling water until cool. Dilute and spray infected plants
Lettuce spray, Use for white cabbage moth
Boil up leaves. Cool and dilute before spraying.
My own spray
That worked miraculously well against white fly was made simply to give my plants a pick me up. But some how it cured the terrible infestation of white fly almost over night. It was probably the smell.
1 shopping bag full of seaweed
3 cow patties (fresh'ish)
A few vegetable scraps
Approximately half a bag of weeds
Steeped in a large rubbish bin with lid. Fill to the top with water. Leave for approximately 3 weeks. Dilute to a pale tea colour and spray onto plants
BIOLOGICAL CONTROLS
Biological controls can be artificially introduced however, plants that attract these insects should be planned for instead, as this ensures on going breeding sites and safe havens for the predator insects. The reason for no artificial introduction is a pure personal belief in leaving things to good planning and mother nature.
Some plants that attract beneficial insects are:
bottle brush, gum, rewa rewa, rata, pohutukawa, flax, kowhai, treelucerne, puriri, phacelia sp, eryngium sp, alfalfa, angelica, buckwheat, goldenrod, organic wild flower mix, milkweed, carrots, marigolds, celery, parsnips, anise, caraway, chevril, coriander, dill,
Fennel, lovage, parsley, queen anne's lace, daisies, tansy, yarrow, honesty, cosmos, alyssum, solidago and artemsiaas
BENEFICIAL INSECTS AND THEIR PREY
Lady birds and their larvae
Aphids, scales, mites
Lace wing larvae
aphids
Parasitic wasps (encarsia formosa)
Aphids, white fly
Predatory mites
Spider mites, two spotted mites
Birds
Grass grub, porina, coddling moth, pupae, leaf rollers
Hedgehogs
Grass grub, caterpillars
Hoverfly larvae
Aphids, caterpillar eggs, young larvae
Damsel bugs
Aphids, plant feeding bugs
Ground beetles
Soil insects, insects dropping off plants
Praying mantis
Any suitable insect moving past
Harvestman
Aphids, mites, caterpillars.
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