Research Article

Similarity Patterns and Stability of Environmental Response in Sunflower Hybrids

Table 3

Analysis of variance for eight biometric traits observed in 11 sunflower hybrids over three sowing dates (S) and three location-year combinations (L).

Source of variationdfGermination (%)Days to floweringPlant height (cm)Branching (plants %)Head diameter (cm)1000 seed weight (g)Seed yield (t  )Oil content (% d.m.)

Location/year ( )21.2 9100.01 6497.79 11.97 1872.21 1652.14 22.30 0.06
Sowing date ( )20.15 22927.08 4788.61 2.36 22.50 3214.65 0.59 0.03
40.07 589.37 2971.85 0.71 1.50 n.s.457.72 0.62 0.02
Rip ( )180.02 n.s.5.39 n.s.160.86 0.06 7.14 36.89 n.s.0.13 n.s.0.00 n.s.
Hybrid ( )100.29 458.75 2922.34 0.16 42.32 1089.09 2.22 0.02
200.03 75.52 388.74 0.08 11.40 244.38 0.73 0.01
200.04 62.81 316.11 0.08 7.88 123.19 0.31 0.00
400.01 n.s.43.69 60.19 n.s.0.05 7.43 39.12 0.15 0.00
Pooled error1800.015.4865.080.023.1725.670.080.00

Total296

Hybrids mean86161108.23614.957.91.4140
C. V.12.531.467.4641.4411.978.7520.204.38

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