TABLE 3.
Corn and sorghum endophyte populations in a range of hosts determined in greenhouse studies
| Plant host species (common name) | Corn endophytes
|
Sorghum endophytes
|
||
|---|---|---|---|---|
| No. of isolatesa | Colonization levelb (avg ± SD) | No. of isolatesa | Colonization levelb (avg ± SD) | |
| Allium cepa (onion) | 17 (8) | 3.9 ± 1.2 (2.4-5.8) | 7 (2) | 3.5 ± 0.8 (2.9-4.1) |
| Asclepias syriaca (milkweed) | 19 (0) | 0 | 10 (2) | 1.3 ± 0.4 (1.0-1.5) |
| Cucumis sativus (cucumber) | 19 (11) | 1.5 ± 1.2 (0.1-3.8) | 10 (5) | 1.3 ± 1.3 (0.4-3.5) |
| Pelargonium × hortorum (geranium) | 19 (2) | 1.9 ± 0.1 (1.8-1.9) | 10 (4) | 3.2 ± 1.3 (1.4-4.3) |
| Glycine max (soybean) | NDc | ND | 7 (0) | 0 |
| Lycopersicon esculentum (tomato) | 19 (4) | 1.7 ± 1.0 (1.0-3.1) | 10 (6) | 2.0 ± 1.6 (0.8-4.6) |
| Nicotiana tabacum (tobacco) | 16 (4) | 3.0 ± 1.0 (2.3-4.5) | 10 (3) | 2.7 ± 0.2 (2.5-2.8) |
| Solanum tuberosum (potato) | 19 (6) | 2.8 ± 0.3 (2.5-3.2) | 10 (5) | 3.0 ± 0.4 (2.7-3.6) |
| Triticum aestivum (wheat) | 15 (2) | 3.1 ± 1.5 (2.0-4.1) | 5 (2) | 4.6 ± 0.1 (4.5-4.7) |
a
Number of isolates tested (inoculated at a level of 6.0 log10 CFU/plant). The numbers in parentheses are the numbers of isolates recovered.
b
Titer at 42 days postinoculation expressed as log10 CFU/g (fresh weight). The values in parentheses are the lowest and highest average titers.
c
ND, not determined.