Knowledgebase
How can I prevent aphids attacking the roots of lettuce plants?
Posted by Dobies Staff on 18 November 2014 11:51 AM

Lettuce root aphid attack the plants roots during mid to late summer. The creamy-yellow aphids feed on the roots. The plants grow slowly and may wilt. Lettuce sown or planted between mid-April and the end of June are at risk of attack.


There are no chemicals available to control this common pest. Keep the plants well watered and they may survive long enough to heart up. There are no chemicals available for the control of root aphids. Grow lettuce on a different site each year. Covering the crop with fine mesh such as Enviromesh from June through to the end of August will prevent attacks provided the edges are buried. The Lettuce Little Gem and Lakeland are resistant to root aphid.

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