Table 6

Comparison of saturated fatty acids (ΣSFA), unsaturated fatty acids (ΣUFA), double bond index (DBI) and iodine value (IV) of Nigella sativa L. seed oil in different weed management systems at two years of experiment.

Weed management ΣSFA ΣUFA ΣUFA/ΣSFA DBI IV
WF 21.9 a 78.1 f 2.53 e 139.0 f 110.3 f
WI 20.6 c 79.4 d 2.73 c 141.9 d 111.9 d
HCt1 20.4 d 79.6 c 2.78 b 142.5 c 112.0 c
HCt2 20.4 d 79.6 b 2.78 b 142.6 b 112.1 b
TCt1 19.1 e 80.9 a 2.92 a 142.8 a 112.6 a
TCt2 20.8 b 79.2 e 2.65 d 140.4 e 110.8 e

WF: weed free plot; WI: weed infest plot; HCt1: H. vulgare living mulch, mowing after black cumin establishment; HCt2: H. vulgare living mulch, mowing before the black cumin flowering stage. TCt1; T. alexandrinum living mulch, mowing after black cumin establishment; TCt2: T. alexandrinum living mulch, mowing before the black cumin flowering stage.

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