Abstract
The seaweed concentrate Kelpak, made fromEcklonia maxima, and applied as a foliar spray or a root drench at transplanting, improved both the vegetative and reproductive growth of marigolds. Of particular significance is that the overall production of seeds (fruits) was increased by as much as 50% in some instances. Very low concentrations of seaweed concentrate were not always effective, while the higher dosages decreased vegetative growth.
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References
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van Staden, J., Upfold, S.J. & Drewes, F.E. Effect of seaweed concentrate on growth and development of the marigoldTagetes patula . J Appl Phycol 6, 427–428 (1994). https://doi.org/10.1007/BF02182160
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DOI: https://doi.org/10.1007/BF02182160