Killing Aphids
Posted: May 20th, 2010 | Author: tejvan | Filed under: Pests and Problems | 3 Comments »Aphids can do a lot of damage to plants. Firstly they weaken it by drinking the sap. Secondly they can spread disease such as powdery mildew. Aphid action also often attracts ants, who enjoy the sticky residue left by aphids. Ants are not directly a problem, but, they can damage the base of plants and look unsightly.
If you have some prize specimens, keep a close eye for first sign of infestation in April, May. At first sign you can try squeezing them with your fingers or blowing them off with water.
If you are going for organic control, you will want to be encouraging natural predators such as hoverflies and ladybirds. This can be done by using plants which attract the hoverflies. For example stinging nettles and marigolds.
Organic Spray for Aphids.
There are organic sprays for aphids. These are based on fatty acid sprays which are counted as organic. However, they are not systemic. Organic Aphid Sprays at Amazon
Pesticides for Aphids.
If organic controls are insufficient, you may need to resort to a chemical spray which kills the aphids and can also provide a systemic action, entering into sap and preventing future infestations.
- Pesticides for Aphids
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[...] There are several different varieties of aphids and blackfly. They have a preference for different plants and veg. Aphids can cause two main problems. They can weaken the plant by sucking their sap. They can also spread disease through the plant tissue. On a small scale, aphids can be dealt with manually, but, to protect special crops and cut flowers, it is necessary to resort to spraying – there are both traditional chemical sprays and organic methods. Aphids also have many natural enemies that can be encouraged into the garden. See: Organic methods for dealing with greenfly – and killing aphids [...]
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