Table 8.
Aflatoxin concentration in harvested grain and dominant multilocus haplotypes (MLHs) of Aspergillus flavus in soil from fields in the southeastern United States treated with Afla-Guard and AF36 biocontrol strains.
| Year | State | Treatment | Aflatoxin concentration (ppb)x | Dominant MLHz | |
|---|---|---|---|---|---|
| Afla-Guardy | AF36y | ||||
| 2012 | Alabama | Treated | 5.96a | – | H96 |
| Untreated | 27.85a | – | |||
| Georgia | Treated | – | – | H96 | |
| Untreated | – | – | |||
| North Carolina | Treated | 2.75a | 4.75a | H96 | |
| Untreated | 103.75b | 103.75b | |||
| 2013 | Alabama | Treated | 2.20a | 1.28a | H96 |
| Untreated | 2.04a | 2.04a | |||
| Georgia | Treated | 5.00a | – | H96 | |
| Untreated | 9.00a | – | |||
| North Carolina | Treated | 1.25a | 5.08a | H96 | |
| Untreated | 11.43a | 11.43a | |||
x
Aflatoxin concentrations followed by the same letter are not significantly different at α = 0.05.
y
Afla-Guard was not evaluated in Georgia in 2012, while AF36 was not evaluated in Alabama in 2012 and in Georgia in 2012 and 2013.
z
H96 is the Afla-Guard MLH and belongs to lineage IB.