Final diagnosis


Phomopsis sclerotioides

Phomopsis_Courge1
<i><b> Phomopsis sclerotioides </b></i> ("black" root rot) on zucchini 3
Phomopsis_Courge5
<i><b>Phomopsis sclerotioides</b></i> (pourriture "noire" des racines) on zucchini 2
Phomopsis_Courge4
Brown zucchini root; the cortex shows a few black lines. <i> <b> Phomopsis sclerotioides </b> </i> ("black" root rot)
Pale brown, rotten zucchini root; the cortex shows a few black lines. <i> <b> Phomopsis sclerotioides </b> </i> ("black" root rot)
Phomopsis10
In addition to the black lines, portions of the root are covered with a multitude of small black dots (pseudo-sclerotia of the fungus). <i> <b> Phomopsis sclerotioides </b> </i> ("black" root rot)
<i> <b> Phomopsis sclerotioides </b> </i> ("black" root rot) on zucchini 1