Pollen tube growth rate in vitro was investigated in two greenhouse temperatures (on the day pollen was collected) and in four germination temperatures.
(Pollen tube growth rate in vitro; was investigated; in two greenhouse temperatures (on the day pollen) (Pollen tube growth rate in vitro; was collected; )
Pollen tube growth rate in vitro Pollen tube growth rate in vitro
was investigated was collected
in two greenhouse temperatures (on the day pollen