Table 1.

Seed production with pollen from RfoΔ plants

	Seeds per silique a
Cross	Mature	Aborted b
CMS x Maintainer	28	1.4
CMS x RfoΔ-3	1.2	8.6
CMS x RfoΔ-15	2.6	12.4
CMS x RfoΔ-16	7.6	14.2
CMS x RfoΔ-22	0.2	1.8

^aThe average numbers of each type of seed per silique based on 5 siliques from each plant. No significant differences were observed among the different siliques on a given plant.

^bThese seeds were markedly smaller than normal mature seed and were non-viable.