ORGANIC PEST CONTROL - Recipes and Remedies

Posted by [email protected] on February 5, 2016 at 11:01 AM
The verybest form of natural pest control is to grow healthy plants so that they are ableto look after themselves. As a startingpoint, give your plants the right amount of food, soil, moisture and sunshine.

You canadopt an organic approach to pest control by making regular patrols on theplants in order to identify such pests as caterpillars, aphids, mites, redspiders and the like. Check yourvegetables well, particularly looking under lettuce and cabbage leaves, and onbeans, peas and carrots.

Beneficial(predator) insects such as Ladybirds (ladybugs), wasps, lacewings anddragonflies should be encouraged. Allpests are food for their predators and by killing them all off you are cuttingdown the chances that predators will build up enough to do the job of pestcontrol for you. Therefore, usesparingly.

Organic,natural pest control can be done easily and cleverly, and can be very efficientand effective.

Thefollowing are just a few excellent recipes for organic gardeners.

BORDEAUX MIXTURE -Brown rot, curly leaf, black spot, mildew

Bordeaux isa standard organic fungicide. It can beused when plants are dormant, generally during the winter months. It can be used on all citrus or cool days,when there are no blossoms on the trees.Bordeaux is effective for brown rot, curly leaf, black spot and otherbacterial, fungal and mildew problems.Spray grapevines when the shoots are less than 100cm long, for blackspot and powdery mildew.

Always makeBordeaux mixture fresh as it doesnt keep and will begin to separate after anhour or so, therefore it must be used soon after preparation.

Bordeaux Recipe

Mix 90 gramsof blue copper sulphate with 4.5 litres (1 gallon) of cold water, in anon-metallic container.

In anothernon-metallic container, mix 125 grams of slaked lime (not agricultural lime) in4.5 litres (1 gallon) of cold water. Mixthe two together and stir well.

Test themixture using an old nail. Dip the nailinto the mixture for around 30 seconds.If the nail comes out blue, you need Pest Control to add more lime, or at least, morestirring and mixing in order to dissolve the lime. Do NOT use the mixture until the problem iscorrected, otherwise you may burn your plants.

The mixturecan be used with any spray equipment.Keep some fresh, clean water on hand to wash out nozzles to keep themclear of clogging.

Spray inearly winter or only spray every second row, finishing off the rest ten dayslater.

Take carenot to use too much Bordeaux as it will cut down the numbers of naturalpredators around during Spring time.

BUG SPRAY -Fruit-sucking Beetles

Collect asmany of your pest insects, bugs and beetles and put them in a container. Add water, then place in a blender. Blend well, then transfer to a spraybottle.

Spraymixture on all the plants that you do not want those particular bugs, insectsand beetles to inhabit. The smell of thedead bugs acts as a deterrent.

CHAMOMILE TEA SPRAY -Black spot, scab, mildew, brown rot, rust

Chamomiletea can be used as a very mild fungicide.Use it for early mildews and fungal problems, and for brown rot onfruit.

To make,cover a handful of flowers in boiling water, or use a Chamomile teabag,according to the directions on the pack.Allow to cool then transfer to a clean sprayer bottle.

CHIVE SPRAY -Rust, brown rot

Grab ahandful of fresh chives and place in a container. Cover with water and allow to steep. When cooled, strain off water, then place ina sprayer bottle. Spray on all plantsaffected by rust.

COMFREY SPRAY - Rust,brown rot, black spot

Take ahandful of Comfrey and cover with fresh water for at least 2 to 3 weeks. Strain and place in a spray bottle.

DEHYDRATED FLOUR -Cherry slug, pear slug

Dust smallcherry and pear trees with dehydrated flour, as this will act as a stomachpoison to pear and cherry slugs.

EGGSHELLS -White butterflies

As a decoyfor White butterflies (or cabbage moths), place eggshells under and aroundcabbages and all brassicas.

Broken eggshellscan also be used as a deterrent for snails and slugs. Place the crushed eggshells around any plantsyou wish to keep snails and slugs away from.The slugs/snails find it difficult to cross the broken eggshells.

GLUE SPRAY -Aphids, white fly, harlequin bugs, mites, whooly aphids

Mix 1 cup ofwhite flour with 1 cup of boiling water- then mix in cold water. Stir until it is of a thick consistency. Strain out any lumps through a sieve.

Place into aspray bottle for use on small plants, and a larger, pump-action sprayer forhigh plants and trees. Spray the top ofleaves as well as underneath, ensuring that the entire surface is covered.

Either waitfor the glue to peel off, or wash off in rain naturally, or hose the plant downafter 24 hours. (Ensure that you cleanout the sprayer nozzle and bottle, otherwise the glue will set and that will bethe end of it)

MILK SPRAY -Black spot, mildew, brown rot, mites, apple and pear scab, mould, fungi

Mild spraymakes an effective remedy for stopping the spread of downy mildew, mould, fungiand bacterial problems.

Spray fullcream mild onto affected areas of the plant.

In hotweather dilute 1 cup of full cream milk to 9 cups of water. This is to ensure that young foliage andflower buds dont burn.

MILK and BICARBONATE OF SODA -Brown rot, mildew, scab, black spot

Make upMilk Spray as above, adding 1 teaspoon of Bicarbonate of Soda - andtransfer to a spray bottle.


Take ahandful of Nettle and cover with fresh water for at least 2 to 3 weeks. Strain and bottle.


Oil sprayswork by covering the insects and/or their eggs with a light film of oil,suffocating them.

Take 1kilogram of soap for every 8 litres of oil.Boil and stir vigorously until totally dissolved. Dilute this with 20 times the volume ofwater.

This spraywill separate quickly, so it Pest is unable to be stored. Therefore, use immediately.

Use oilsprays only when the temperature is below 24C, otherwise the oil may cause leafdamage.


Pyrethrum isa broad spectrum spray made from pulverized pyrethrum flowers (Chrysanthemumcinerariafolium). Pyrethrum kills bugs,but has low toxicity for animals and humans.Beware though that Pyrethrum also kills bees, so be sure to only use itin the evenings.

Take 1tablespoon of Pyrethrum powder or 2 tablespoons of flowers. Cover with oil and leave to steepovernight. Strain fully, then add 1litre of water and mix well. Useimmediately.

SEAWEED SPRAY -Powdery mildew, brown rot

Seaweedstrengthens a plants resistance to a range of infections as well as makes themresistant to frost. It can be also beused as a preventative measure against brown rot. Seaweed is also said to helpfruit set.

Seaweed solutionscan be commercially bought, but to make your own Seaweed spray:

Wash saltfrom seaweed and cover with fresh water for at least 3 weeks. Strain off as much water as required, thendilute it until it is the colour of very weak tea. Place in a spray bottle and use Exterminator whenrequired.

SNAIL SOUP -Repels snails and slugs

To repulsesnails and slugs, collect as many as you can, then place in a container andcover with water. Put a lid on thecontainer and put aside for 3 or 4 days, allowing the snails and slugs toferment. Strain, then spray where youdont want slugs and snails to invade.

TOOTHBRUSHES -Aphids, mites, thrips, bean fly

Although atoothbrush is not a recipe as such, it is an effective tool to use to scrapeand brush off small bugs such as aphids, bean fly, mites and thrips from theleaves and stems.

URINE- Apple and pear scab, mildew

Human urineis sterile (unless the donor has a urinary tract infection) although it doesnot remain sterile when stored, therefore, must be used as fresh as possible.

Spray thefull strength urine on dormant trees, at least twice in winter. Use it diluted with ten parts water on summermildew problems.

Spray appleand pear trees for scab with diluted urine when of the blossom has fallen.

Human urineis said to be an excellent tonic for all citrus trees.

WASABI (Indonesian Fish Sauce) -Repels kangaroos, wallabies and possums

Make a sprayby using 6 parts water to 1 part Wasabi.Spray thickly, drenching the plant and/or area.

WHITE PEPPER -Aphids, bugs

SprinkleWhite Pepper (thickly) to repel bugs and aphids. Sprinkle again after rain or watering. You can also mix the pepper well with soapywater so it is able to stick.


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