"Egg transformation" induced by irradiated pollen in Nicotiana: critical appraisal of Chyi and Sanford's observations.

This note strongly refutes the suggestion by Chyi and Sanford (1985) that "egg transformation" by the use of lethally irradiated pollen in Nicotiana reported by the present author could be explained on the basis of mutation, contamination or other causes, and suggests that their conclusion is based on faulty experimentation and interpretation. It also shows that, contrary to these authors' assertions, their results, in fact, contain certain significant demonstrations of egg transformation supporting the present author's work.