INDEX

1. Enlarged kernel: General response of A2 state of 82 m-l to Spm.

2. Gars illustrating response of A2 state to: No Spm, one Spm,
  transpositions of Spm. -Linkage of A2 state to Bt; no linkage
   with Spm. Associated responses with srnyF.
                                                              ..
                                                        vv. ., I
3. Linkage of Spm with wx locus: + Wx/active-Spm wx. Response of
  A2 state of g2 m-l to doses of active Spm.

f1) Backross: 8731B-2 r x 8726-2
          87353-l tiller x 'I ; plus variegated pericarp.

(II) Self-pollinated ear. 8775E-5.  Doses of SJIJ and phenotypes.

4. Doses of active Spm and response of A2 state;with wx/wx; lactive
   Spm:

(I) 8737-g self-pollinated.   Ear - 5 photos
ml  " -11 Y           I1        " -4     II
(111)8736E-3 Self-pollinated. Shelled kernels. Var.        CR%]
                        Pericarq

ackcross ratios.  One active Spm in test.

Spm in ear parent:
8738-14 tiller x 8726-2.   Ear
8738-8 x 8720-14 with wxm'@.   Shelled kernels.
                                -

& in pollen parent:
              m-8
8585-3 (with wx  -) x  85831).4. Shelled kernels.
  .I
  91 -10 1: II x I1 .  Shelled kernels.

6. Inactive-e with some changes to active. Phenotypes produced.
  (I) Two kernels.  Inactive -7active Spm sattern of pigmentation.
  (II).  8738-15 self-pollinated.   Section of ear.
  (III) 8738-g. Main ear. Two photos.

                  I1  'I Tiller-1.x 8720-14 (with wx.. m-8) Pull ear,2 photos

                            It        I1 Enl.irged section of ear.

                  I1    II  Tiller-2 x 8726-2. Pull ear, 2 photos

                  11    I1       t1       II I1     0   Enlarged section of ear,3 photos

7. Inactive-e w+z female x Active-a wx/+ z male and
       reciprocal.   Activation of inactive Spm dy an active
      Spm.

(I) 85834-5 x 8583D-4 Shelled kernels. (For comparison, see
      crosses in section 5 with 8583D-4.)
(II) 85831)~9 x 8583A-11. Ahelled kernels.


8.  Inactive-a Wx/Active-a wx.   Self-pollinated ear.
    87318-l.  Full ear, 2 photos.
          Sections of ear, enlarged, 4 photos.

9. Distinctive phenotypes given by the "kt'2 and the pale-spotted
  states of g2 m-l in response to dose and to activity of
   Spm.

(I). -3 tiller-l x 8726-3. Shelled kernels
(II). $&&&& N  -2 x 9QO-l-4 ll           It

(III)J3735A-6, first ear, main stalk. Self pollinated.
(IV). '1 11 second 11 , I1   'I x 8'&XL&'&tiller. Shelled Kern&
(v>. i 8720-18 tiller-2 x 8731B-
           & tiller.   Shelled kernels.