You will need
- - tobacco dust;
- - ash;
- - clay;
- - lime;
- - a solution of detergent or soap.
Black aphids, as well as green, very afraid pollination clean ash or mixed with tobacco dust. So try small bushes to handle such a composition. But the trees get rid of black aphids this method is difficult, because they are high.
To deal with the black aphids on cherry, viburnum and plums. Pour a few times at the root of soapy water after washing. It could even be water with detergent. After a few days the aphids will leave. She certainly won't like the juice treated trees.
To black or green aphids did not appear in summer on plants in the garden, spend prevention. This is a mandatory whitewashing of tree trunks with solution of lime and clay. Take 10 l of water 2-3 kg clay and 1 kg slaked lime. Good help hunting belt on the trunks of garden trees. They can be purchased in a special store for gardeners. During irrigation of the trees let the spray directly into the crown, the water will wash off of the harmful insects.
Do not use chemicals, you will also destroy beneficial insects such as ladybugs that destroy aphids. Therefore, it is better to deal with black aphids without chemicals.
Destroy ant hills in the garden, as the ants contribute to the emergence of aphids. Because they feed on sweet secretions from them.