Pulgão-da-raiz
Rhopalosiphum rufiabdominale
Descrição: São pulgões de coloração cinza escuro que formam grande colônias nas raízes das plantas. Estes insetos têm preferência por poáceas (gramíneas), principalmente arroz, aveia, cevada, milho e trigo.
Danos: Os prejuízos são maiores nos anos de seca. Estes pulgões, além de sugarem a seiva das raízes, injetam toxinas, causando amarelecimento das plantas e paralisando o crescimento.
Controlo biológico: Efetuar o controle com patógenos, como Enthomophthora sp. É recomendada a utilização de técnica que favoreça a ação dos predadores Eriopis connexa e Cycloneda sanguinea e também dos parasitóides Aphidius sp., Praon sp. e Ephedrus sp.
Controlo químico: Fazer uso de inseticidas seletivos, visando não prejudicar o controle biológico, com produtos registrados para a cultura.
![](https://static.catalog.farmis.lt/problems/b/bf/bf4/bf402f43-b844-477d-a082-c0f9d4bde0fc.jpg)
![](https://static.catalog.farmis.lt/problems/8/8e/8ee/8ee740f3-894f-4fec-bc62-7e05e9bfd5fb.jpg)
![](https://static.catalog.farmis.lt/problems/6/60/608/6087f554-ef50-4613-aef8-0ee7534a2494.jpg)
![](https://static.catalog.farmis.lt/problems/8/84/848/848e6a41-78f3-46af-98f8-7103b1a8fb0b.jpg)
![](https://static.catalog.farmis.lt/problems/d/d9/d97/d976c779-1bfb-4027-9159-3d7304bd7455.jpg)
![](https://static.catalog.farmis.lt/problems/1/1b/1b8/1b856c2d-9ef9-4d42-986e-687fa10f72ca.jpg)
![](https://static.catalog.farmis.lt/problems/2/29/298/298d664a-ff2b-4336-8a8c-9b955b02706f.jpg)
![](https://static.catalog.farmis.lt/problems/4/49/498/498fbefd-2665-4193-9af1-2cc4f75eeea1.jpg)
![](https://static.catalog.farmis.lt/problems/0/01/017/0176d564-c35f-44e1-a69a-a79a15d88715.jpg)
![](https://static.catalog.farmis.lt/problems/6/66/66f/66f40be8-4d4a-4f49-b8b8-e6f59733e1ab.jpg)
![](https://static.catalog.farmis.lt/problems/7/71/719/719621ea-81d9-4730-940d-ac5ef0d9f870.jpg)
![](https://static.catalog.farmis.lt/problems/5/5c/5c3/5c3e079b-9de9-4a90-809c-892bcd127194.jpg)
![](https://static.catalog.farmis.lt/problems/a/a9/a9f/a9f15359-7e6d-4bd8-997f-875c49a40dd3.jpg)
![](https://static.catalog.farmis.lt/problems/9/90/909/909f377f-4652-4012-9f85-48373f018e9c.jpg)
![](https://static.catalog.farmis.lt/problems/9/99/99d/99d5c347-c8cf-4649-998e-1f88a54740d0.jpg)
![](https://static.catalog.farmis.lt/problems/a/a6/a6a/a6a4078e-3641-43d4-bbca-d507aa077d32.jpg)
![](https://static.catalog.farmis.lt/problems/7/70/70e/70e88efe-a102-4f4d-a236-8c451966ae28.jpg)
![](https://static.catalog.farmis.lt/problems/2/2d/2d2/2d2b0039-961f-42b9-a363-d23e07c73465.jpg)
![](https://static.catalog.farmis.lt/problems/9/9c/9cc/9ccd6f15-edd8-470d-bcd6-da465e6e34d0.jpg)