nectar betydelse and definition

Exempel på nectar

• Bees may get sucrose-or hexose-dominated nectars, but this is complicated by the fact that some plant families have either sucrose- or hexose-dominated nectars.

• Now add a few bees to this community of birds, sufficiently few that their intake of nectar is negligible.

• The question is: how many birds and bees should forage at the red and blue patches so that their intake of nectar is maximised?

• The most widespread plant feature that attracts ants, however, is extrafloral nectar, produced from special glands.

• There is no sign of nectar or any pollinator reward other than pollen in male flowers.

• The flower visitation behaviour of a bat over the night seems to be shaped by a combination of intrinsic physiological factors and by nectar availability.

• Our data clearly revealed a need for more studies on the effects of nectar production on fruit- and/or seed-set.

• Seed production from experimental flowers was then contrasted with those naturally exposed to pollination and nectar removal.