Figure 3. Seed orientations tested during shea seed sowing (a. Vertical seed orientation with the apical end downwards; b. Vertical seed orientation with the apical end up; c. Horizontal seed orientation with hilum downwards; d. Horizontal seed orientation with hilum upwards; e. Horizontal seed orientation with hilum sidewards)

From

Effects of Sowing Depth and Seed Orientation on the Germination and Seedling Growth in Shea Tree (Vitellaria paradoxa C.F. Gaertn.) for Rootstock Production in Nursery

YAO Saraka Didier Martial, DIARRASSOUBA Nafan, DIALLO Rokia, KOFFI Eric-Blanchard Zadjehi, DAGO Dougba Noël, FOFANA Inza Jesus

Research in Plant Sciences. 2021, 9(1), 13-22 doi:10.12691/plant-9-1-3