PCR assays showing the occurrence of <i>Pseudoperonospora cubensis</i> in individual seeds of bottle gourd (<i>Lagenaria vulgaris</i>).

<p>A- Fruits taken from downy mildew-infected plants. B- Fruits taken from health plants.</p><p><u>1</u> = test positive; 0 = test negative.</p><p>PCR assays showing the occurrence of <i>Pseudoperonospora cubensis</i> in individual seeds of bottle gourd (<i>Lagenaria vulgaris</i>).