Plant Protection
Wheat Fungus Management
Wheat Stripe Rust

Puccinia striiformis

The pustules of stripe rust, which, contain yellow to orange-yellow urediospores, usually form narrow stripes on the leaves. Pustules also can be found on leaf sheaths, necks, and glumes.

Primary infections are caused by wind-borne urediospores that may have travelled long distances. The disease may develop rapidly when free moisture (rain or dew) occurs and temperatures range between 10-20C. At temperatures above 25C, the production of urediospores is reduced or ceases and black teliospores are often produced.

Stripe rust can attack wheat, barley, triticale, and many other related grasses. The disease is found in all highland and/or temperate areas where cereals are grown. No alternate host is known.

Chemical control:
Demethylation-inhibiting (DMI) Fungicides: Propiconazole、Tebuconazole
Strobilurin fungicides: Azoxystrobin、Pyraclostrobin

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