Ravageurs & maladies/Pests & diseases Publié le mai 8, 2015 par nebe Mother Earth News promotes a Organic Pest Control and Garden products finder Table de matière InsectsDiseases Insects Pest Remedy Aphids Spearmint repells Tomato Leaf Tea (boil and let steep over night) Beetles Rue (Ruta graveolens) repells Caterpillar Wasp Trichogramma Codling moths Red sticky balls(put under the benches, close to intake vents, near windows and doors) Fireants Corn meal Fruitflies Red sticky balls(put under the benches, close to intake vents, near windows and doors) Insects in general Neem tree (Azadirachta indica): neem leafs in blender with water; add dash of soap Soap spray: 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 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. Horticultural oils are refined petroleum or vegetable oils that work by smothering pests. Mites (Amblyseius californicus, Phytoseiulus longipes) Spidermites Moths Rosemary, Thyme , Wormwood repells Scale Wasp Aphytis melinus White cabbage butterfies Mint repells Whiteflies Wasp Encarsia Formosa Yellow sticky traps (put under the benches, close to intake vents, near windows and doors) White grubs: White grubs are the larvae of various types of scarab (or chafer) beetles. Nematodes are applied with a lot of water Diatomaceous earth is applied by dusting the area with a Dustin Mizer in dry weather (the DE is piercing the skin of the grubs so they die of dehydration Diseases Disease Remedy Powdery mildew Spray made from 2 Tablespoons milk in 1 cup water.