Black Stem Rust in Wheat
Black stem rust in wheat is very common and is caused by a fungus which grows throughout the tissue of a plant feeding off its cells. It produces spores which burst through the plants epidermis and are spread in the wind. The fungi uses up plants nutrients & reduces photosynthetic capacity.
Symptoms of Black Stem Rust
- small brown pustules develop - red spores
1. Controllling Host Plants: - growing resistant varieties - removing weeds - using disease free seed - crop rotation
2. Contolling pathogen:
- Quarantine - Fungicide
Timing of operations to avoid pest/disease times.
Changing from spray irrigation to trickle irrigation to reduce wetness around leaf canopy.