The 15 entries in Laisha's encyclopedia that attack Wheat, grouped by type. Each page covers identification, life cycle, the conditions that favour it, action thresholds and integrated management.

Growing Wheat? The free Wheat grow guide covers the crop from sowing to harvest.

Insect pests

• Bird cherry-oat aphidRhopalosiphum padiInsect · A dark olive-green aphid of wheat, barley, oats, maize and grasses, recognised by a rusty-red patch around…
• Desert locustSchistocerca gregariaInsect · A large grasshopper that normally lives alone in the deserts between West Africa and India, but after good…
• Fall armywormSpodoptera frugiperdaInsect · Fall armyworm is a moth whose caterpillars eat into the funnel of young maize and other grasses, leaving…
• Maize weevilSitophilus zeamaisInsect · A small brown weevil with a long snout whose larvae grow hidden inside individual grains of stored maize,…
• Whitebacked planthopperSogatella furciferaInsect · A small planthopper with a white stripe down its back that sucks sap from rice plants. It migrates long…

Fungal diseases

• Fusarium head blight (head scab) of wheat and barleyFusarium graminearumFungal disease · Fusarium head blight, or scab, bleaches the ears of wheat and barley when warm, wet weather coincides with…
• Karnal bunt of wheat (partial bunt)Tilletia indicaFungal disease · Karnal bunt replaces part of some wheat grains with black, fishy-smelling spores. Yield loss is usually…
• Leaf rust of wheat (brown rust)Puccinia triticinaFungal disease · Leaf rust, or brown rust, is the most common and widespread rust of wheat. It scatters small orange-brown…
• Powdery mildew of wheat and barleyBlumeria graminisFungal disease · Powdery mildew covers the leaves, stems and ears of wheat and barley with fluffy white to grey pustules that…
• Rice blastPyricularia oryzaeFungal disease · Rice blast is the most important disease of rice worldwide. The fungus makes diamond-shaped grey lesions on…
• Septoria tritici blotch of wheatZymoseptoria triticiFungal disease · Septoria tritici blotch is the most important leaf disease of wheat in Europe and a major one in other wet…
• Stem rust of wheat (black rust)Puccinia graminis f. sp. triticiFungal disease · Stem rust, or black rust, is historically the most feared disease of wheat: in a warm, humid season it can…
• Wheat blastPyricularia oryzae Triticum lineageFungal disease · Wheat blast is a fast, destructive disease of wheat caused by a wheat-adapted lineage of the rice blast…
• Yellow rust of wheat (stripe rust)Puccinia striiformis f. sp. triticiFungal disease · Yellow rust, or stripe rust, is a cool-weather rust that covers wheat leaves with stripes of bright…

Weeds

• Parthenium weed (congress grass)Parthenium hysterophorusWeed · An aggressive annual weed from the Americas with finely divided carrot-like leaves and many small white…