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How to Kill Aphids with 8 Natural and 3 Chemical Methods

June 26, 2017
Closeup aphid on white background

Aphids usually invade your gardens. Aphids are also known as Plant lice or Green flies. The most common type of aphids found in our garden includes Blackfly and Greenfly. They are soft-bodied small insects which survive in almost every temperature zones. Aphid’s reproduction rate is very high; they multiply rapidly within one season. They move at a slower pace so they can be controlled easily regarding spread. Aphids are difficult to notice with the naked eye. Aphids are carriers of viruses which are seen to be damaging to crops, grains, potatoes and citrus fruits. They are tiny creatures which vary in length around ½ -1/4 inch. There are a variety of species which have a variety of colors like pink, black, brown, white, light green, yellow or gray. They have long antennas with pear shaped bodies.Most species may also possess chronicles which are short tubes protruding from the hind end. They often do not possess wings but may grow wings in search of food or if they want to reproduce. Aphids feed on some plants, flower, stems, buds, fruit, attacking leaves or roots which depend on the type of species.

Search for stunted, curling, yellowing of leaves. The aphids are usually found underneath the leaves.A sticky substance, honeydew over the stems or leaves are a sign that the leaves were resided by the aphids which attract other insects example ants. Leaves and stems may appear dark due to the honeydew which may lead to fungal growth. Fruits or flowers may become deformed or distorted. Galls may be formed on roots or leaves by some species.Aphids are a source of transmitting diseases to plants; they also attract other insects especially ladybug.

【Read more about Lady Bug】

Killing Aphids Naturally

1. Pampering and Nurturing their Natural Ememies

Encourage the predators of aphids to live around your area. Nesting should be encouraged of birds such as chickadees and wrens. Offer shelter and food to these predators to attract your garden. Insects such as ladybug beetle and ladybird are also known predators of Aphids. You need to introduce to your garden by buying them from markets. Other insects such as Green lacewings and Hoverfly larvae are known for their feed upon Aphids; they can be introduced to your gardens or yards naturally by growing herbs such as catnip, garlic, mint, clover, fennel, yarrow, dill, and oregano. These herbs are a source of attractions for these small predators.

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The birds choose to nest in twiggy shrubs or small trees. Plant shrubs like Abelia, Hydrangeas in your area which promotes a hiding place for predators. Birds may also attract trees like Arborvitae, privet, boxwoods and shrubs.

2. Getting Rid of the Ants

Aphids secrete a sticky substance honeydew which is attracted by ants. Ants protect aphids from other predators, they ar their sworn protectors. So try to avoid ants in your gardens by baiting the ants in small containers filled with honey underneath or near the infested plants. You can also trim down the plants from lower parts so that ants cannot hide behind them. You can also apply a sticky substance on the bottom part of plants so that it prevents ants to climb trees.

3. Grow Young Plants under Row Cover

Row covers should be used to prevent your gardens from being damaged by pests and other predators. Covers should be removed when plants start flowering.

4. Use Aluminum Foil or Reflective Mulch on the Ground Beneath the Plants

Reflective mulch or aluminum foil can be placed above the ground underneath the plants. Reflective mulch is not an effective deterrent in flower garden, but it is highly useful in the vegetable garden.

5. Use Water Hose

Water hose can be used to get rid of aphids by the excessive pressure of water. This method may cause harm to smaller newly grown leaves and plants but is highly effective to get rid of aphids.

6. Use Essential Oils

Create a mixture of essential oils which include rosemary oils, thyme, clove and peppermint oils – 5-6 drops of each oil. Add this mixture to water in a spray bottle. Sprinkle this mixture on infested plants which kill larvae and eggs of a variety of garden pests. This is a great blend which works best as an indoor/outdoor repellent against insects.

7. Use Natural Soap and Water

A mixture of few drops of soap or mild household detergent with some quantity of water may help in getting rid of aphid infestation in your garden which may range from moderate to severe. Put this mixture in a bucket or spray bottle and spray it onto the leaves especially the underside of leaves where larvae and eggs of aphids usually reside. This mixture will act on the sticky substance present on Aphids bodies which leads them to dehydration leading to their death.

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8. Grow Plants for a Homemade Aphid Control

Some plants attract the aphids towards themselves, so these plants can be grown away from your garden area so that your garden is free from aphids. Such plants include:

Mum, Aster, Hollyhock, Cosmos, Larkspur, Dahlia, Tuberous Begonia, Verbena, and Zinnia.Other plants include tomatoes, lettuce, potatoes, and fruit trees.

Aphids dislike aroma of garlic, onions and other organic compounds. Alliums other than this may also be planted in your gardens to get rid of infestation by aphids.

【Read more about Aphids】

How To Get Rid of Aphids on Roses

A species of aphids called Rose Aphids among which Macrosiphum Rosae may attack the roses during the summer and spring months. Spotting a bleaching may be seen by these aphids which may carry Rose Mosaic virus. Some commons signs of infestation also include curling, disfigurement, and stickiness found on rose flowers and leaves which may have white spots or bronzed in color. Pink or green small insects in groups may also be found on the leaves.

We can easily get rid of aphids on roses by hand picking them, spraying water with pressure, we can timely or slowly release nitrogen fertilizers which are favorable by aphids, so they avoid attracting roses. Spray insecticidal sprays on roses such as Fertilome spray, Acephate(Orthene) spray, Merit 75W, Ortho Rose Pride. Insecticidal soaps may also be used to treat the roses. Damaged, dead or diseased roses should be cut off. Remove rose trimmings to prevent the spread of further diseases. Neem oil or horticultural may be used to spray on the roses to get rid of aphids.

Best-selling Chemical Control

1. Bifen XTS Bifenthrin Concentrate

Bifen XTS contains 25.1% Bifenthrin in the product. Bifen XTS has an ability to penetrate the porous surfaces. Pest control is improved by long-term activity.Low odor with fast acting pyrethroid which is synthetic in nature. Controls variety of unwanted insects which includes ants, termites, and external feeding insects. multipurpose in nature such as general insecticide, before and after treatment of termiticide and for all ornamental and turf use sites.

2. Essential IC3 Insecticide Concentrate

It contains active ingredients i.e. Peppermint oil 02.0%, Rosemary oil 10.0% along with other ingredients such as Vanillin 88.0%, Mineral Oil, and Wintergreen Oil. It is targeted pests include bed bugs. It is approved for usage around water and boat docks. There is a newly available, convenient quarter size which can be carried easily and used. It is highly practical and efficient with full knockdown action. It has a minimum odor due to the addition of fragrance modifier. It has a broad spectrum effect which kills the insects by disrupting their neurotransmitter function. In vertebrates, octopamine receptors are targeted by these insecticides while in vertebrates octane in not present, so this action does not happen. It is also in use for livestock against cattle, dairy cattle, horses, and goats.

3. Martins Permethrin 10% Indoor and Outdoor

It has an active ingredient Permethrin 10%. It is a long-lasting insecticidal spray with broad spectrum nature and high effectiveness. It has an exceptional residual activity which lasts for around 28-30 days. It is utilized for both outdoor and indoor purpose. It is effective against face flies, ticks, lice, swine, poultry, dogs and large animals.It is used for treating an area of around 400-500 linear feet.

Conclusion

Aphids are highly destructive pests which are found in our gardens. They destroy the leaves, flowers, and roots along with stems of trees. They turn them yellow and rot them away with black molding. There are a variety of methods to get rid of Aphids which have been described above involving the natural organic methods with the best repellents used these days to get rid of them

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