Table 1.

Estimates of Spearman’s Rank Correlation Coefficient (ρ) between 4-Fold π Values and the Fraction of Nearly Neutral New 0-Fold Degenerate Mutations (DFE Category of 0 < N_es < 1) before and after PIC Correction for Each Set of Genes Expressed in the Components of Male Gametophytes and a Set of 10,000 Randomly Selected Genes Representing Genome-Wide Patterns

Cell Type/Tissue	Before PIC Correction		After PIC Correction
	ρ	P Value	ρ	P Value
Vegetative pollen cell	−0.91	0.0005	−0.98	0.0001
Pollen tube	−0.90	0.0009	−0.87	0.0045
Sperm	−0.94	0.0001	−0.83	0.0083
Genome wide	−0.78	0.0116	−0.67	0.0589