Final diagnosis


Phytophthora capsici

<b><i>Phytophthora capsici</i></b> (root and crown rot, crown and root rot) on squash 1
The spots are sometimes surrounded by a yellow halo.  <i> <b> Phytophthora capsici </b> </i> (lesions on leaf, <i> Phytophthora </i> blight)
Angular silvery spots, more or less delimited by the veins, on zucchini leaf.  <b> Physiological macules </b>
<b><i>Phytophthora capsici</i></b> (stem lesion) on squash 2
<b><i>Phytophthora capsici</i></b> (lesion on fruit, <i>Phytophthora blight</i>) on squash 3
Browning of the petals and tip of a young zucchini;  one can note the presence of dark exudates on the deterioration of which the margin is diffuse.  <b> <i> Phytophthora capsici </i> </b> (lesions on fruit, <i> Phytophthora </i> blight)
End of a rotten zucchini;  we note the presence of white felting on the periphery and a whitish mucus made up of bacteria mixed with a large number of sporangia of the fungus.  <b> <i> Phytophthora capsici </i> </b> (lesions on fruit, <i> Phytophthora </i> blight)