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    Effect of the foliar application of microalgae hydrolysate (Arthrospira platensis) and silicon on the growth of Pelargonium hortorum L.H. Bailey under salinity conditions

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    Effect of the foliar application of microalgae agronomy-10-01713.pdf (22.96Mb)
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    URI: http://hdl.handle.net/10835/8833
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    Author/s
    Tejada-Ruiz, Salvador; González-López, Cynthia; Rojas, Elisa; Jiménez-Becker, Silvia
    Date
    2020
    Abstract
    Plant growth is limited by salinity stress yet there are few strategies for alleviating it. Arthrospira platensis and silicon can stimulate plants to grow under stress conditions. The aim of this work was to study the effects of both a single and a joint application of Arthrospira platensis and silicon on the growth of Pelargonium hortorum L.H. Bailey under salt stress conditions. Plants were exposed to 2.0, 3.0 and 3.5 dS m-1 EC, with and without the application of microalgae and silicon. At the end of the trial, biometric parameters and plant analysis were determined. The microalgae hydrolysate concentration was 5 g L-1 and the silicon concentration was 150 mg L-1. Foliar spraying was applied weekly. Pelargonium can be grown in moderately saline irrigation water (3.0 dS m-1). This bedding plant mitigates salt stress by avoiding the uptake of Cl- ions and by tolerating a high Na+ concentration in the tissue. The joint foliar application of Arthrospira microalgae and silicon stimulates...
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    • Artículos de revista Proyecto SABANA [55]

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