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Statistical analysis of QTL effect
a S, CO2-sensitive HA-11621 allele; I, CO2-insensitive HA-11623 allele.
b Individuals whose genotype was unidentified are excluded.
c Kruskal–Wallis analysis comparing phenotype between genotype groups with individuals in the same groups.
d Significance level: **P <0.01; *P <0.05.
