PCR assays showing the occurrence of <i>Pseudoperonospora cubensis</i> amplicons in individual seeds of cucurbits.

<p>The seeds were taken from one fruit of squash (B) and 6 fruits of butternut gourd (D) (10 seeds per fruit). <u>1</u> = test positive; 0 = test negative.</p><p>PCR assays showing the occurrence of <i>Pseudoperonospora cubensis</i> amplicons in individual seeds of cucurbits.