2. The crosses received from Dr. C. R. Burnham, containing a gene for pale‑yellow, referred to as Yx, I gave the following results in plants selfed in Brazil:
Ear selfed |
Seeds |
|
Plants |
|
+ |
ms1 |
|||
4‑47 |
Yellow‑orange |
161 |
81 |
6 |
|
White |
94 |
4 |
25 |
2‑49 |
Yellow‑orange |
173 |
99 |
3 |
|
White |
66 |
5 |
27 |
3‑49 |
Yellow‑orange |
156 |
97 |
1 |
|
White |
54 |
1 |
20 |
|
White (viviparous) |
46 |
-- |
-- |
8‑49 |
Yellow‑orange |
86 |
52 |
0 |
|
Pale‑yellow |
41 |
25 |
1 |
|
White |
52 |
3 |
13 |
|
White (viviparous) |
47 |
-- |
-- |
Only one ear segregated for pale‑yellow and it suggests a condition similar to that reported above for a gene controlling the yellow shade. Two ears segregated for viviparous and the ears of the 49 family segregated also for B and Pl. The plants obtained from selfed seed were poor, very early maturing, and not proper for our conditions.