C/O: Tilletia tritici (low smut), Tilletia laevis (high bunt)
- Also called hill bunt, stinking bunt cover smut of wheat (due to its sori).
- Visible at heading stage.
- Both species produce different symptoms T.caries(low bunt) affected culms are shorter than the normal and the plants affected by T.foetida(high bunt) are more often higher than the normal ones.
- At the time of flowering hyphae concentrate in the inflorescence and spikelet’s and transforming the ovary into smut sorus of dark green color with masses of chlamydospores.
- After heading, the spikelets of infected plants tend to flare-out (expansion of seed due to filled of teliospore) and take on a greasy, off-green color.
- Infected heads may have shorter awns, or even no awns.
- Slightly discolored grains which are full of black powder and gives foul smell.
- Mass of black spores that smell like rotting fish due to trimethylamine.
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