“pollen tube”可以造什么句，pollen tube造句

A serologic reaction retards the growth of the pollen tube.

minute opening in the wall of an ovule through which the pollen tube enters.

A minute opening in the ovule of a seed plant through which the pollen tube usually enters.

The advance on microfilament cytoskeleton in plant pollen tube and guard cells, and signal transduction involving in plant microfilament cytoskeleton were simply illustrated in this paper.

Activation of nucellar cells by discharge from the pollen tubes has been claimed.

Observation of pollen germination and pollen tube growth of Ginkgo biloba L.

The variation of pollen vigor of Iris in the different storage conditions was studied and the germination and the growth of pollen tube in different temperatures were also studied.

Observation on the pollen germination and the pollen tube behavior during interspecific hybridization in prunus

It is suggested that directional growth of pollen tubes are controlled by molecular signal in ovule.

Cortical microtubules and spiny vesicles appear in the cytoplasm after germination of the pollen tube.