Open Access

Table 1

Average yearly results for sunflower hybrids from the network of farmers’ fields.

Oil Protein Thousand Hullability
Year Hybrid N content content seeds (% extracted Yield
(% DM) (% DDM) weight (g DM) hulls) (t/ha)

2008 NK Countri 48 48.4 (A) (b)* 32.1 (A) (b) 54.5 (A)* (a)* 23.4 (A) (a)* 2.93 (A) (a)
PR64H32 48 51.8 (a)* 33.3 (a) 53.9 (a)* 9.8 (b)* 2.73 (a)
2009 NK Countri 33 46.2 (B) (b) 30.78 (B) (a) 53.0 (A)* (a)* 19.5 (B) (a) 2.22 (B) (a)
NK Ferti 41 49.6 (a) 30.3 (a) 42.7 (b)* 14.2 (b) 2.22 (a)

Means within a column followed by the same letter are not significantly different (P< 0.05) with Student comparison test, except * with Wilcoxon signed rank test. Capital letters (A, B) compare the years for the NK Countri hybrid. Small letters (a, b) compare the hybrids within a year. SD = Standard Deviation.

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