Table 2 Segregation of leaf background color (lemon or green) in 19 caladium crosses

From: A single gene controls leaf background color in caladium (Araceae) and is tightly linked to genes for leaf main vein color, spotting and rugosity

Cross [cross no.]

Caladium progeny (no.)

Expect. ratio a

Chi-square

 

Lemon (LEM_) b

Green (lemlem) b

 

χ2

P-value

‘Miss Muffet’ (LEMlem)×self (LEMlem) [1]

248

76

3:1

0.412

0.521

‘Miss Muffet’ (LEMlem)בGingerland’ (lemlem) [2]

124

142

1:1

1.242

0.265

‘Gingerland’ (lemlem)בMiss Muffet’ (LEMlem) [3]

165

182

1:1

0.833

0.361

‘Miss Muffet’ (LEMlem)בCandidum’ (lemlem) [4]

299

309

1:1

0.149

0.685

‘Candidum’ (lemlem)בMiss Muffet’ (LEMlem) [5]

324

335

1:1

0.184

0.668

‘Miss Muffet’ (LEMlem)בRed Flash’ (lemlem) [6]

13

16

1:1

0.310

0.577

‘Aaron’ (lemlem)בMiss Muffet’ (LEMlem) [7]

104

85

1:1

1.910

0.167

‘Fla. Moonlight’ (lemlem)בMiss Muffet’ (LEMlem) [8]

52

39

1:1

1.857

0.173

‘Gingerland’ (lemlem)×self [9]

0

236

0:1

  

‘Candidum’ (lemlem)×self [10]

0

108

0:1

  

‘Gingerland’ (lemlem)בCandidum’ (lemlem) [11]

0

187

0:1

  

‘Candidum’ (lemlem)בGingerland’ (lemlem) [12]

0

193

0:1

  

‘Gingerland’ (lemlem)בRed Flash’ (lemlem) [13]

0

124

0:1

  

‘Red Flash’ (lemlem)בGingerland’ (lemlem) [14]

0

29

0:1

  

‘Fla. Moonlight’ (lemlem)בFairytale Princess’ (lemlem) [15]

0

28

0:1

  

‘Aaron’ (lemlem)×UF-317 (lemlem) [16]

0

213

0:1

  

UF-52 (LEMlem)×UF-317 (lemlem) [17]

68

77

1:1

0.559

0.455

UF-53 (LEMlem)בGingerland’ (lemlem) [18]

37

29

1:1

0.970

0.325

UF-52 (LEMlem)בMiss Muffet’ (LEMlem) [19]

49

14

3:1

0.259

0.611

  1. a Segregation ratios expected for single dominant nuclear genes controlling traits.
  2. b Two possible genotypes (LEMLEM or LEMlem, generalized as LEM_ here) exhibit the lemon background color, and the recessive genotype (lemlem) displays the green background color.
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