Table 3.

Maternal control of phorbol ester biosynthesis

Maternal parent ♀	Pollen parent ♂	Seeds	Phorbol ester content of seed
PE+ve	PE+ve	Self	Present
PE−ve	PE−ve	Self	Absent
PE+ve	PE−ve	F1	Present (n = 6)
PE−ve	PE+ve	F1	Absent (n = 12)
PE+ve ♀ x PE−ve ♂ F1	PE+ve ♀ x PE−ve ♂ F1	F2	Present (n = 8)
PE−ve ♀ x PE+ve ♂ F1	PE−ve ♀ x PE+ve ♂ F1	F2	Present (n = 8)
PE+ve ♀ PE−ve ♂ F2	Open pollinated		Individual plants exclusively bear seeds that either do or do not contain PE. PE were absent in seeds from 31/120 plants