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Article . 2024 . Peer-reviewed
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Uso de hidrolatos de plantas aromáticas para el control de cuatro especies de malas hierbas

Authors: Navarro,Juliana; Gimeno,David; Pueyo,Jorge; Villar,Mª Pilar; Pardo,Gabriel; Cirujeda,Alicia;

Uso de hidrolatos de plantas aromáticas para el control de cuatro especies de malas hierbas

Abstract

Durante el proceso de destilación de plantas aromáticas se genera un subproducto líquido llamado hidrolato que, en condiciones in vitro, se sabe que tiene propiedades herbicidas. El siguiente paso para estudiar una posible actividad antigerminante sería utilizar el producto en condiciones de invernadero. Para ello se realizaron tres ensayos, en grandes macetas, utilizando hidrolatos de lavanda (Lavandula intermedia var. Súper) y de Artemisia absinthium a dos dosis diferentes. Como especies diana se sembraron Echinochloa crus-galli (L.) P. Beauv., Sonchus oleraceus L., Datura stramonium L. y Conyza bonariensis (L.) Cronq. En los tres ensayos se utilizaron las mismas poblaciones de arvenses y se hicieron 4 repeticiones por tratamiento. Los resultados mostraron una reducción de la emergencia más o menos acusada en las 4 especies al aplicar ambos hidrolatos ya desde la menor dosis. Las arvenses más sensibles a los hidrolatos fueron S. oleraceus y C. bonariensis con una reducción de la emergencia que osciló entre un 8 y un 100% dependiendo del ensayo sin una marcada diferencia en el tipo de hidrolato. La emergencia de E. crus-galli fue la menos afectada por la acción de los hidrolatos. La baja tasa de emergencia de D. stramonium en dos de los ensayos y los resultados algo irregulares en el otro requieren de una repetición de los ensayos tratando de analizar algunos factores en mayor detalle, como el riego, que pudo haber causado el lavado de la fracción bioactiva del hidrolato.

During the distillation process of aromatic plants a liquid byproduct so called hydrolate is produced which is known to have some herbicidal activity in vitro. The next step to study a possible inhibition of germination would be to use the product in greenhouse conditions. With this aim three trials were carried out in big pots using hydrolates of lavender (Lavandula intermedia var. Super) and of Artemisia absinthium at two different rates. As target weed species Echinochloa crus-galli (L.) P. Beauv., Sonchus oleraceus L., Datura stramonium L. and Conyza bonariensis (L.) Cronq. were seeded. The same weed populations were used in the three trials and 4 replicates were conducted. The results showed a more or less pronounced reduction in weed emergence depending on the species already at the lower rates of the hydrolates. The most susceptible species were S. oleraceus and Conyza bonariensis with an emergence reduction between 8 and 100% depending on the trial without a marked difference in the type of hydrolate. E. crus-galli was the least affected by the action of hydrolates. The low emergence of D. stramonium in two of the trials and quite irregular results in the other suggest that more trials should be conducted focusing on analysing some of the factors more in detail such as the irrigation, that could have washed out the bioactive fraction of the hydrolates.

Los trabajos han sido financiados por el proyecto PID2020-113865RR-C41 del Ministerio de Ciencia e Innovación y por el Grupo Consolidado PROVESOS A11-23R, financiado por el Gobierno de Aragón.

emergence reduction

natural herbicide

bioherbicides

phytotoxicity

allelopathy

Published

Country
Spain
Keywords

Plaguicidas de origen vegetal, fitotoxicidad, Bioplaguicidas, herbicida natural, reducción de emergencia, Fitotoxicidad, alelopatía, Alelopatia, bioherbicidas

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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