Female Gametophyte Development in the ahp1,2,3,4,5 Mutants.
CLSM of ovules derived from wild-type, ahp1,2-1,3,4,5/+ (ahp2-1), and ahp1,2-2,3/+,4,5 (ahp2-2) flowers, as indicated on the top of the images. Numbers below the images denote abnormal female gametophytes out of the examined ovules. cv, central cell vacuole; ecn, egg cell nucleus; dfg, degenerated female gametophyte; scn, synergid cell nucleus; sen, secondary nucleus. Bar = 25 μm.