Every bodily fluid was bagged and analyzed.
Hand-pollinated flowers were bagged to exclude subsequent visitors.
Before the emergence of silk, ears at different developmental stages were bagged after surface sterilising the outer leaves with 70% ethanol.
Examination of individuals collected from bagged female inflorescences indicate that they carry pollen.
Flowers (n = 40, from 10 plants) were bagged to estimate daily nectar volume and sugar concentration (using a pocket refractometer).
Sticky traps were suspended above and placed below the bagged plants, and the plants remained in the field for one week.
Developing seeds were harvested from ears that had been bagged prior to presentation of the silks, control-pollinated and tagged with the pollination date.
Eight of the collections came from bagged inflorescences.
