Sorghum Midge

Disease

Sorghum Midge

Stenodiplosis sorghicola

insect

In a Nutshell

    Small and compressed ear headsShriveled and discolored seed coatsBlank seeds

Hosts: %1$s

· Sorghum

Symptoms

The red to orange Sorghum Midge (1.3-1.6 mm large) lays its eggs in the heads of Sorghum. The larvae feed on the seeds. As a result of the feeding of the larvae, the seed coats become shriveled and discolored or blank. Heads of infested crops appear small and compressed with blank areas.

Trigger

The sorghum midge winters in spikelets and in plant residues. They can remain in the spikelets for 2 to 3 years. Under favorably warm conditions, the population starts to grow. The first generations can be found in Johnson grass. The life cycle lasts 6 to 14 days under good conditions. 9 generations or more are possible in these conditions.

Biological Control

Sorry, we don't know of any alternative treatment against Stenodiplosis sorghicola . Please get in touch with us in case you know of something that might help to fight this disease. Looking forward hearing from you.

Chemical Control

Fungicides containing Chlorpyrifos, Cyfluthrin, Cythalothrin, Esfenvalerate, Malathion or Methomyl can be applied to control Sorghum Midge.

Preventive Measures

    Plant resilient varietiesPlant sorghum uniformly at the same time and depthPlant earlyReduce growth of Johnson grass nearbyEnsure good field hygiene - Remove or burn any plant residuesImplement a good crop rotation (cotton, groundnuts, sunflowers or sugarcane)Intersperse sorghum with pigeonpeas, cotton, soybeans, cowpeas, safflower or other legumes




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