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Research Article

Heritability and Variability of Quality Parameters of Tomatoes in Outdoor Production

Table 2

Estimates of variance components and heritability of traits related to fruit quality of 24 tomato genotypes under outdoor cultivation. Combined data of both years (2015 and 2016).

TraitVariances&Type means$

Total yield (g plant-1)828901977629405115122719346410.5561075.99a1186.02a951.65a
Brix (°)0.00650.013700.00560.25081.3690.9707.8927a6.1428b5.4531b
Glucose (g L-1)3.9800.8200.18409.65719.7340.91821.3367a14.2545b12.8357b
Fructose (g L-1)2.3862.4562.113015.19714.7780.81126.3467a20.0054b18.3881b
Glucose and fructose (g L-1)12.4724.4993.646044.08068.5460.89047.6840a34.2757b31.1878b
Total acid (mg L-1)0.07890.004750.001260.004320.027590.086110.9251.9021a1.5588b1.4315b
Sugar-to-acid ratio0.03720.19070.02420.01370.90260.75510.7805.3314a4.5921a4.2654 a
Firmness (Shore)17.1684.1840040.60123.9070.76135.3929b41.8384a39.2019ab
Fruit diameter (mm)5.9621.17007.36026.603173.5000.96932.9914c48.8618b72.8228a
Fruit weight (g)%0.01400.03140.60080.9742.9880c4.2153b5.1965a
Number of fruit segments%0.00820.023010.000870.008020.02270.10270.8620.7402c1.0599b1.7750a
Lycopene (μg g-1 FM)16.3291.2550.0991.75115.05110.2070.78811.7355b15.2817a15.5988ab

%Logarithmically transformed to stabilize variance between types. & = year,  = year by genotype,  = replicate within trial, , and  = residual error (plant).