Table 1.
‘Indicator compound analysis’ of nectar and pollen chemical composition in wild and cultivated plants of Vaccinium corymbosum.
| Nectar | Pollen | |||||||
|---|---|---|---|---|---|---|---|---|
| Wild | Cultivated | Wild | Cultivated | |||||
| Value | p | Value | p | Value | p | Value | p | |
| Amino acids | ||||||||
| Phenylalanine | 0.425 | 0.009 | – | – | 0.711 | 0.018 | – | – |
| Tryptophan | – | – | 0.421 | 0.009 | – | – | – | – |
| Norisoprenoids | ||||||||
| Roseoside | 0.609 | 0.009 | – | – | – | – | – | – |
| Phenolic acids | ||||||||
| 4-O-caffeoylshikimic acid | 0.406 | 0.009 | – | – | – | – | – | – |
| 5-O-caffeoylquinic acid | – | – | – | – | – | – | 0.378 | 0.018 |
| Flavonols | ||||||||
| Quercitrin | – | – | 0.518 | 0.009 | – | – | – | – |
| Avicularin | 0.438 | 0.009 | – | – | – | – | 0.399 | 0.018 |
| Rutin | – | – | – | – | – | – | 0.425 | 0.018 |
| Quercetin-3-O-coumaroylhexoside | – | – | – | – | – | – | 0.474 | 0.018 |
| Quercetin-3-O-acetylhexoside | – | – | – | – | 0.256 | 0.022 | – | – |
| Kaempferol-3-O-rutinoside | – | – | – | – | 0.203 | 0.050 | – | – |
| Quercetin | – | – | – | – | 0.538 | 0.018 | – | – |
| Isorhamnetin-3-O-rhamnosylhexoside | – | – | – | – | 0.314 | 0.018 | – | – |
Presented are association values (i.e., point-biserial correlation coefficients, bounded between 0 and 1) and their respective p-value (derived from permutations, and corrected for multiple testing) for the 13 compounds that had a significantly higher association with one group.