A Comparative Analysis of Detection Techniques Used in US Regulatory Programs to Determine Presence of <I>Phytophthora ramorum</I> in <i>Camellia japonica</i> ‘Nucio’s Gem’ in an Infected Nursery in Southern California

Fig. 1. Graphical representation of spatial dimensions of aspects of above-ground and below-ground (shaded) disease detection with other plant characteristics including leaf lesions (brown), leaf drop (blue), ELISA positives (yellow), Real-time-PCR positives (red), Nested PCR positives (pink), and culture positives (orange).



Image from Plant Health Progress article:
A Comparative Analysis of Detection Techniques Used in US Regulatory Programs to Determine Presence of Phytophthora ramorum in Camellia japonica ‘Nucio’s Gem’ in an Infected Nursery in Southern California