Pests&Diseases – Ravageurs&Maladies

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Natural Insecticides

Corn meal
Fire ants
Damsel bug
Aphids
Green Lacewing
Aphids
Ladybug
Aphids
Mint

Repells Cabbage white butterflies

Powdery Mildew powdery mildew
Spray made from 2 Tablespoons milk in 1 cup water.

Mites Amblyseius californicus, Phytoseiulus longipes
Spidermites

Rue (Ruta graveolens)
Repells beetles

Spearmint
Repells aphids

Tomato Leaf Tea (boil and let steep over night)
Aphids

Rosemary, Thyme , Wormwood
Repells moths and flies

Neem tree (Azadirachta indica)
Natural insecticide (neem leafs in blender with water; add dash of soap)

Wasp Aphytis melinus
Scale

Wasp Encarsia Formosa
Whitefly

Wasp Trichogramma
Caterpillars

Chemical Insecticides

Red sticky balls(put under the benches, close to intake vents, near windows and doors)
against fruit flies and coddling moths

Yellow sticky traps (put under the benches, close to intake vents, near windows and doors)
White flies

Insecticidal soap sprays kill pests by dehydration. You can make your own soap spray by adding 2 spoonfuls of liquid soap (not detergent) to a quart (1 liter) of water.

UofFlorida soap spray against aphids, lacebugs, mealy bugs, scale, spider mites, thrips, whitefly. Mix 2-1/2Tbsp vegetable oil + 2-1/2Tbsp dishwashing liquid + 1 gal water. Spray again after 5-7 days; spray backside of leafs; don’t spray in sun and while it is hotter than 32degC/90deg F

Horticultural oils are refined petroleum or vegetable oils that work by smothering pests.
Pyrethrum is derived from chrysanthemums. It is a broad-spectrum insecticide that affects the insects’ nervous system.Rotenone, which occurs naturally in the seeds and stems of several plants, is a broad-spectrum insecticide and piscicide. Do not use it near any fish you have in a greenhouse pond or aquaponic system.