Australian Pulse Bulletin
Chickpea: Identifying sclerotinia
There are two Sclerotinia spp that attack chickpeas and they can be distinguished by the size of their sclerotes (survival structures).
- S. sclerotiorum produces large irregular shaped sclerotes 5–10 mm in diameter as high up as 20–30 cm on the stem
- S. minor produces sclerotes that are angular and much smaller, rarely larger than 2–3 mm in diameter
S. sclerotiorum killed these plants – eventually the whole crop was lost. (Photo: Kevin Moore)
Ascospore infection of chickpea stem by S. Sclerotiorum. (Photo: Gordon Cumming)
Fungal weft of sclerotinia in the lower canopy of a chickpea crop. (Photo: Kevin Moore)
Sclerotes of S. sclerotiorum. (Photo: Mal Ryley)
Sclerotes of S. minor. (Photo: Kevin Moore)
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Last updated: 20 November 2015