How to control barley leaf rust? A detailed guide to barley cultivation and control methods
How to control barley leaf rust? What causes barley leaf rust? We ask our readers to help explain the causes of barley leaf rust: The barley leaf rust pathogen overwinters as urediniospores on volunteer barley seedlings, infects autumn seedlings after sowing and emergence, and overwinters on the seedlings as mycelium or uredinia. In spring...
How to control barley leaf rust? What causes barley leaf rust? We ask our readers to help explainCauses of barley leaf rust:
The barley leaf rust pathogen oversummers as urediniospores on volunteer barley seedlings, infects autumn seedlings after sowing and emergence, and overwinters on the seedlings as mycelium or uredinia. In spring, as temperatures rise, it resumes development and spreads, reproducing and causing damage.
Barley leaf rust) Control methods:
1. Method of selecting disease-resistant varieties
Disease resistance varies among varieties, so choose according to local conditions.
2. Method of strengthening field management
Fertilize reasonably, eradicate volunteer seedlings, and reduce sources of inoculum.
3. Chemical control method
Spray chemicals including 20% triadimefon emulsifiable concentrate, 95% nabam technical powder, and 65% zineb wettable powder; for details, see the chemical control section for wheat rust.
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