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. 2022 Mar 18;11(6):808. doi: 10.3390/plants11060808

Figure 6.

Figure 6

Effect of various formulations of SL analogs on Striga infection under mini-field conditions at Burkina Faso. (A) Scheme of the experiment conducted for Striga germination and emergence. (B) Experimental protocol adopted to conduct mini-field trials. Each box was filled with the soil, infested with Striga seeds collected from a pearl millet field in Burkina Faso. (C) View of the miniboxes and Striga infestation. (D) Average number of Striga seed germination in response to formulated MP3 and Nijmegen application. Both SL analogs of EC and AG formulations (at 1.0 µM) were applied in Striga infested mini-boxes. Striga germination was counted at 6 and 9 days after application. (E) Average number of Striga emergence in response to formulated MP3 and Nijmegen application. Striga emergence was counted after 80 days of pearl millet planting. Values of each bar showed average of Striga germination/emergence per minibox. Data are means ± SE (n = 6). For each SL analog, treatments with various letters differ significantly (p < 0.05). Values in parenthesis are showing the percentage increase (+) or decrease (−) over blank treatment. ns: non-significant.