Table 1.

Frequency of blue sectors in seedlings of plants carrying the GUS ICR assay and expressing RuvC

Cross	No. of stained seedlings	No. of blue sectors*
F1 (GU-US X RuvC)
Cross no. 71	337	11
Cross no. 72	30	1
Cross no. 73	211	6
Cross no. 74	250	6
Total	828	24
F1 (GU-US X Samsun)	402	1

^*Blue sectors were monitored in cotyledons and in the first or second true leaf. Most sectors were from cotyledons.