Cytokinin activity of commercial aqueous seaweed extract
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Cited by (42)
Evaluation of the biostimulant effects of two Chlorophyta microalgae on tomato (Solanum lycopersicum)
2022, Journal of Cleaner ProductionCitation Excerpt :In some studies, the algal-derived substances are injected into the plant tissues (Rachidi et al., 2021). Foliar application is the most popular method for extract application as phytohormones are best absorbed via the stomata of leaves (Brain et al., 1973). In contrast, soil drench method is the most preferred for application of living algal cells because they can multiply and alter soil properties and microbial communities through continuous release of bioactive compounds.
Effect of a commercial seaweed extract (Kelpak<sup>®</sup>) and polyamines on nutrient-deprived (N, P and K) okra seedlings
2013, Scientia HorticulturaeCitation Excerpt :As SWCs are applied at low rates, the growth promoting effects are thought to be due to plant growth regulators (PGRs), that are effective at low concentrations, rather than nutrients (Brain et al., 1973). Plant growth regulators such as cytokinins (Beckett and Van Staden, 1990b; Brain et al., 1973; Tay et al., 1985) and auxins play a significant role in increasing growth of plants treated with seaweed extracts (Crouch and Van Staden, 1992). Cytokinins and auxins have been identified in Kelpak® (Stirk et al., 2004) and recently, the polyamines (PAs) putrescine (Put) and spermine (Spm) have also been quantified, with concentrations ranging between 0.98–5.51 μg mL−1 Put and 1.27–4.95 μg mL−1 Spm, respectively (Papenfus et al., 2012).
Cytokinins from marine organisms
1990, PhytochemistryAlgae and Cytokinins
1986, Journal of Plant PhysiologyInfluence of Ascophyllum nodosum extract, homobrassinolide and triacontanol on fruit retention, yield and quality of mango
2021, Journal of Environmental Biology