Analysis of yield stability of strawberry varieties and hybrids

Open Access

Table 1.

Analysis of variance of the traits of strawberry productivity and yield

Variability factor	df	mS	F	σ²	Proportion in total variance (%)
Number of inflorescences
Genotype	17	127,70	11,8^**	2,92	17,1
Year	3	217,40	20,1^**	1,15	6,7
«Genotype × Year»	51	32,70	3,0^**	2,19	12,8
Residual	648	10,80	–	10,80	63,3
Number of flowers
Genotype	17	8103,81	24,4^**	194,30	25,6
Year	3	10499,13	31,6^**	56,47	7,4
«Genotype × Year»	51	2086,45	6,3^**	175,45	23,1
Residual	648	332,00	–	332,00	43,8
Number of berries
Genotype	17	7453,40	31,2^**	180,36	32,2
Year	3	4800,95	20,1^**	25,35	4,5
«Genotype × Year»	51	1386,91	5,8^**	114,81	20,5
Residual	648	238,84	–	238,84	42,7
Fruit weight
Genotype	17	129,84	29,9^**	3,14	28,4
Year	3	186,47	42,9^**	1,01	9,2
«Genotype × Year»	51	27,89	6,9^**	2,56	23,1
Residual	648	4,34	–	4,34	39,3
Biological yield
Genotype	17	2175329,32	34,8^**	52820,41	32,4
Year	3	2407613,52	38,5^**	13028,34	8,0
«Genotype × Year»	51	411241,20	6,5^**	34872,85	21,4
Residual	648	62512,89	–	62512,89	38,3

^**

– differences in factor of variability are significant for a 1% significance level with standard values of the F-criterion for the factor «genotype» is 1,95; factor «year» is 3,78; interaction «genotype × year» is 1,52.

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