Culture of Pollen Tubes for Chromosomal Analysis at the Pollen Tube Division

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Abstract
It is possible to grow pollen tubes routinely for cytological analysis of nuclei at the pollen tube division. Pollen has been grown successfully after temperature, pressure, gas, moisture, and radiation treatments. The technic for growing Tradescantia pollen is described, but any method is satisfactory which ensures that: (a) the pollen is kept dry before sowing, (b) a minimum of time elapses between sowing pollen on culture medium and placing in a moist growing box, and (c) the growing pollen tubes are not allowed to dry out. Pollen of other species can be grown by the same methods.

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