Table 2. Analysis of variance for fruit firmness, harvest date and dry matter content in the ‘Royal Gala’ × ‘Braeburn’ apple population in 2010. Estimates of the mean square values are given for the variables significant at p<0.001. d.f., degree of freedom; ns, not significant.

		Estimate of mean square
	d.f.	Fruit firmness at harvest	Fruit firmness after storage	Loss of firmness	Harvest date	Dry matter content
Genotype	571	4.7	9.1	3.2	790.7	3.5
Year	1	ns	7.3	ns	4703.3	16.5
Site	1	71.6	15.2	152.1	69 088.6	143.5
Genotype×year	1	ns	ns	ns	ns	ns
Year×site	1	273.3	239.1	ns	ns	76.5
Genotype×site	569	ns	ns	ns	79.8	ns