Table 4. Comparison of genotyping of Citrus tristeza virus-positive field trees tested in central California by TaqMan hydrolysis probe versus IC-RT-LAMP.
| Location | County | TRSa | No. trees tested | MCA13 positive | No. trees per genotype groupb | No. VT positive by IC-RT-LAMP/site | ||
|---|---|---|---|---|---|---|---|---|
| VT alone | VT/T30 mixture | T30 alone | ||||||
| Orange Cove | Fresno | 15/24/22 | 5 | 0 | 0 | 0 | 5 | 0 |
| Seville | Tulare | 17/25/14 | 10 | 10 | 10 | 0 | 0 | 10 |
| Orosi | Tulare | 16/25/15 | 5 | 5 | 5 | 0 | 0 | 5 |
| Lindcove | Tulare | 18/27/18 | 5 | 5 | 0 | 5 | 0 | 5 |
| Lindsey | Tulare | 20/27/18 | 5 | 0 | 0 | 0 | 5 | 0 |
| Strathmore | Tulare | 20/27/27 | 5 | 0 | 0 | 0 | 5 | 0 |
| Porterville | Tulare | 22/27/09 | 5 | 0 | 0 | 0 | 5 | 0 |
| Totals | 40 | 20 | 15 | 5 | 20 | 20 | ||
aTownship/Range/Section (T/R/S) http://www.jsu.edu/dept/geography/mhill/phygeogone/trprac.html
bField trees were infected by single or mixture to CTV genotypes.