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Fig. 2. sid1/ids1 mutant phenotypes. (A) Tassels of maize
ids1-Burr (left), sid1-mum3;ids1-Burr (middle) and
ids1-mum1;sid1-mum1;ts4-A triple (right) mutants. (B)
Mature ear of sid1-mum3;ids1-Burr. Bare rachis is present in place of
missing rows. (C) Fertilized ears of sid1-mum3;ids1-Burr
(left) compared with ids1-Burr (right). (D) Hand section of
wild-type (WT) ear spikelet. (E) Hand section of ids1-mum1 ear
spikelet. Extra florets are arranged laterally in the axils of bracts.
(F) Hand section of sid1-mum3;ids1-Burr ear spikelet.
Floret-like structure is terminal. (G) Isolated bract surrounding ovule
of sid1-mum3;ids1-Burr ear spikelet showing silk transformation at
tip. (H) Wild-type tassel spikelet showing two florets (arrowheads).
(I) ids1-mum1 tassel spikelet with three florets (arrowheads).
(J) sid1-mum3;ids1-Burr tassel spikelet showing absence of
florets. (K) ts4-A;ids1-Burr double mutant tassel (left) and
ear (right). The tip of the ear is highly branched. (L) Tassel of
ts4-A;sid1-mum1 double mutant. (M) Tassel of plant that is
homozygous for ts4-A and sid1-mum1 but heterozygous for
ids1-mum1. (N) Ear of ts4-A;sid1-mum1 double mutant
(left) and of ts4-A;sid1-mum1 double mutant heterozygous for
ids1-mum1 (right). Plants are siblings.
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