Advancing Greenhouse Establishment of Radish, Kale, and Amaranth Microgreens through Seed Treatments
2005
Lee, J.S. (National Horticultural Research Institute, RDA, Suwon, Republic of Korea) | Pill, Wallace G. (University of Delaware, Newark, DE, USA)
Seed treatments to advance the establishment of radish (Raphanus sativus), kale (Brassica napus var. pabularia), and amaranth (Amaranthus tricolor) for greenhouse microgreen production were examined. Seeds were matrically primed in fine vermiculite at 12℃ and -1.0 MPa (by adding deionized water at 50% of the vermiculite dry weight; seed: vermiculite, 1:5, w/w) for 3 days, removed from the vermiculite, and dried to initial weight before sowing. While germination percentage was little affected, appreciable germination advancement in all species was achieved by the priming. In a greenhouse study, this treatment advanced seedling emergence of radish and kale compared to non-treated seed, but failed to increase shoot dry weight at 13 days after planting (DAP).
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