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February 2019
2a: Field symptoms and signs of
Sclerotinia sclerotiorum
: Water-soaked lesions on sunflower head.
Photo:
Lisa Rothmann
2b: Mycelium covering sunflower head.
Photo: Lisa Rothmann
2c: Stem rot and sclerotia on sunflower.
Photo: Marlese Bester
2d: Soybean stem.
Photo: Marlese Bester
2e: Shredded appearance of sunflower head.
Photo: Lisa Rothmann
2f: Net of sclerotia from sunflower head.
Photo: Lisa Rothmann
2a
2e
2f
2c
2d
2b