![]() And many dish soaps contain fragrance, hand softeners, degreasers, or antibacterial agents, which can slow effectiveness and in some instances even harm plants. Soap particles attach less effectively to aphids, meaning your attempt at suffocation by dish soap may take a couple of tries. While this home remedy for aphids on tomato plants is certainly cost-effective, be aware of a couple of things.įirst, most dish soaps do not contain fatty acids. Apply the mixture with a garden sprayer to your plants every day or two until your aphid infestation disappears. Home improvement expert Bob Vila recommends making your own insecticidal spray by mixing 1 tablespoon regular dish soap with 1 quart of water. A home remedy for aphids on tomato plants Spray tomato plants with organic insecticides like Bonide pyrethrin.Drape tomato plants with row covers which allow plants access to sun, air movement, and water – but provide a barrier to pests.Prune tomato branches that are infected with aphids and destroy them.A solution of 1-2% of the product to 98-99% water will impact aphids. Oils and soaps dissolve an aphid’s outer surface, which suffocates them. Spray plants with insecticidal soap, Neem oil, Castille soap, or other horticultural oils.Most aphids take up residence in your garden by being transported by a breeze or because they are born there. Why won’t they just crawl back? It’s just too hard for them. You may need to repeat this process daily for a week or two, but aphids will depart. Be sure to direct the spray to all parts of the plant, including leaves’ undersides. Spray affected areas with a strong stream of water from your garden hose to knock aphids off plants. ![]() But if you have a large colony, you can nab multiple aphids with each pluck and crush them. Handpick aphids on tomato plants using tweezers.You’ve got several treatment options you can use to get rid of aphids on tomato plants naturally. How to get rid of aphids on tomato plants When do aphids do their work?Īphids are most productive in the spring and fall. Left unchecked, honeydew attracts other pests like ants and leads to sotty mold and powdery mildew on your tomato plants.Ĭlearly you want to avoid hosting these critters in your garden. They secrete a white stick substance called honeydew. Plus, as aphids use their snouts to penetrate your tomato plants, they often transmit viruses like the tomato yellow leaf curl virus, the cucumber mosaic virus, the potato virus, and the tomato etch virus.Their sap-sucking stunts plant growth, causes leaves to curl, and makes leaves turn to yellow. They suck out juices and nutrients from tomato leaves, stems, and fruits. Aphids use their mouthparts to eat sap.
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