Table 2: Griffing’s analyses of variance and narrow-sense heritability estimates ( ) for oil concentration in g kg−1, weight of 50 sound mature kernels (50 SMK) in grams, and mean milligrams oil produced per SMK (OPS) in a four-parent diallel of peanut.

SourcedfOil concentration50 SMKOPS
Mean squareMean squareMean square

Blocks3 168.14.87442.8*
Genotypes15 3236.1**24.71**359.8*
GCA314779.6**107.98**508.5*
SCA6628.3**3.65286.4
Reciprocal672.14.14358.9*
Error4578.11.87149.8

0.950.880.29

indicate terms that are significant at the 5 and 1% levels of probability, respectively.