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Botanical origin associated with the three strains of Ascosphaera apis isolated from commercial pollen in Argentina
| Pollen types | Porcentage by provincie | ||
|---|---|---|---|
| Entre Ríos | Jujuy | Misiones | |
| Amaranthaceae | 8.87 | 6.42 | 12.05 |
| Apiaceae | 0.55 | 0.28 | 0 |
| Caesalpiniaceae | 0.92 | 0 | 0 |
| Carduus | 1.11 | 0 | 0.17 |
| Fabaceae | 0 | 1.4 | 0 |
| Helianthus annuus | 14.23 | 0 | 18.59 |
| Juglans | 0 | 0.56 | 0 |
| Monocotyledoneae | 0.74 | 0 | 1.55 |
| Myrtaceae | 0 | 97.6 | 0 |
| Peltophorum dubium | 0 | 1.96 | 0 |
| Poaceae | 0 | 0 | 0.34 |
| Zea mays | 2.22 | 1.4 | 1.38 |
| Tithonia | 0 | 5.31 | 0 |
| Rapistrum | 68.58 | 73.18 | 61.96 |
| Salix | 0 | 0 | 0.34 |
| Sapium haematospermum | 1.66 | 3.07 | 1.72 |
| Senecio | 0 | 3.91 | 0 |
| Solanaceae | 0.55 | 1.12 | 0.69 |
| Taraxacum officinale | 0.55 | 1.4 | 0.52 |
Macroscopic description of isolated Ascosphaera spp_ strains
| Ascosphaera spp. | strains | Origins | Sporocyst diameter (µm) | Ascus diameter average (µm) | Ascospores length average (µm) |
|---|---|---|---|---|---|
| A. apis | PMis | Misiones | 60–75 | 9 | 1–2 |
| A. apis | PJuy | Jujuy | 65–70 | 9 | 1–2 |
| A. apis | PER | Entre Ríos | 60–70 | 8 | 1–2 |
Number of larvae mummies with A_ apis and no mummies_ Values are mean ± standard deviation
| Strains | Number of mummies | Number of non-mummified larvae (Witness) | Number of infected larvae (5×103 spores/mL) | Number of infected larvae (5×106 spores/mL) | Total number of capped cells | ||
|---|---|---|---|---|---|---|---|
| (5×103 spores/mL) | (5×106 spores/mL) | Without sporocyst | |||||
| Misiones | 0 | 30±7 | 3±3 | 100±40 | 138±1 | 127±29 | 43±6 |
| Entre Ríos | 0 | 10±1 | 2±2 | 112±2 | 128±12 | 83±9 | 28±11 |
| Jujuy | 1±1 | 23±3 | 5±1 | 102±32 | 134±10 | 85±43 | 54±8 |