Close-up photo of sorghum head
Grain sorghum is the main summer grain crop in most regions in Queensland, and plays a key role in providing feed grains to the beef, dairy, pig and poultry industries. It is a good rotation crop that tolerates heat and moisture stress, and performs better than maize on . . . → Read More: Overview of the Sorghum Industry
Rutherglen bug on sorghum.
Rutherglen bug (RGB) – Nysius vinitor
Seed heads may be damaged by feeding, resulting in reduced yield and quality. Affected seed is red and spotty and hollowed out internally. Grain will be small and shrivelled and does not continue to fill beyond the point it was damaged. . . . → Read More: Insect Pest Management in Sorghum – Rutherglen bug and Sorghum head caterpillar
Common armyworm larva
Northern armyworm – Leucania separate, Common armyworm – Leucania convecta, and Dayfeeding armyworm – Spodoptera exempta.
Armyworm is the caterpillar stage of certain moths and can occur in large numbers especially after good rain following a dry period. During the day armyworms shelter in the throats of plants . . . → Read More: Insect Pest Management in Sorghum – Armyworms and Corn Aphid
Eastern false wireworm – adult and larva.
False wireworms, striate, eastern and southern
Pterohelaeus and Gonocephalum spp.
Larvae feed on decaying vegetable and crop residues in the soil. They also feed on newly germinating seed and the growing points of seedlings, which results in patchy stands. Damage is most common in early . . . → Read More: Insect Pest Management in Sorghum – Soil Insects
Adult sorghum midge on a sorghum head.
Major pests of sorghum
Sorghum midge – Stenodiplosis sorghicola
Sorghum midge is a serious pest of sorghum that requires several repeat insecticide applications during flowering, particularly for late planted crops. Management is now centred on growing midge resistant hybrids that not only simplify management and decreases . . . → Read More: Insect Pest Management in Sorghum – Sorghum midge
A row of helicoverpa larvae, all different colours.
Major pests of sorghum Helicoverpa armigera Sorghum midge Minor pests Soil insects Armyworms Corn aphids Rutherglen bugs Sorghum head caterpillars
Sorghum is susceptible to insect pests from emergence to late grain fill. Early sorghum pests include armyworms and soil insects. These pests are normally present . . . → Read More: Insect Pest Management in Sorghum – Helicoverpa Armigera