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.