Table 2.
Comparison of 18 pollen load samples from Apis mellifera evaluated by a pool of 2 g of each bath. Only the pollen sample with frequency > 3% were considered
| Sample | Time of collection | Pollen type identification | Evaluation of pollen sample |
|---|---|---|---|
| BP1 | May |
Quercus palustris (+++); Robinia pseudoacacia (++), unknown (+) |
Heterofloral with domain of Quercus palustris |
| BP2 | May |
Quercus palustris (+++), Robinia pseudoacacia (++) |
Heterofloral with domain of Quercus palustris |
| BP3 | May | Actinidia arguta (++++) | Monofloral of Actinidia arguta |
| BP4 | May | Quercus palustris (++++) | Monofloral of Quercus palustris |
| BP5 |
Quercus palustris (++), Robinia pseudoacacia (++), unknown (+), Pinus (+) |
Heterofloral | |
| BP6 | June |
Robinia pseudoacacia (++), Quercus palustris (++), unknown (+) |
Heterofloral |
| BP7 | June |
Robinia pseudoacacia (++), Quercus palustris (++), Pinus (+) |
Heterofloral |
| BP8 | May |
Quercus palustris (+++), Robinia pseudoacacia (++), unknown (+) |
Heterofloral with domain of Quercus palustris |
| BP9 | May |
Quercus palustris (++), Robinia pseudoacacia (++), Actinidia arguta (++), unknown (+), Pinus (+) |
Heterofloral |
| BP10 | May |
Quercus palustris (++), Robinia pseudoacacia (++), Actinidia arguta (++), unknown (+), Pinus (+) |
Heterofloral |
| BP11 | April |
Amygdalus persica (+++), Robinia pseudoacacia (++) Actinidia arguta (++), Taraxacum mongolicum (+) |
Heterofloral with domain of Amygdalus persica |
| BP12 | April |
Quercus palustris (+++), Robinia pseudoacacia (++) |
Bifloral of Quercus palustris (dominant) and Robinia pseudoacacia |
| BP13 | June | Robinia pseudoacacia (++++) | Monofloral of Robinia pseudoacacia |
| BP14 | May |
Quercus palustris (++), Robinia pseudoacacia (++), Actinidia arguta (+) |
Heterofloral |
| BP15 | May | Quercus palustris (++++) | Monofloral of Quercus palustris |
| BP16 | May |
Quercus palustris (++), Robinia pseudoacacia (++), Actinidia arguta (++), Pinus (+) |
Heterofloral |
| BP17 | May |
Robinia pseudoacacia (++), Actinidia arguta (++), Pinus (+) |
Heterofloral |
| BP18 | April |
Amygdalus persica (++), Robinia pseudoacacia (++), Actinidia arguta (++) |
Heterofloral |
| CNBP | August | Nelumbo nucifera (++++) | Monofloral of Nelumbo nucifera |
CNBP Chinese bee pollen
++++, circa > 85%: very frequent; +++, circa 45 to 85%: frequent; ++, circa 15 to 45%: few frequent; +, circa 3 to 15%: rare