Use of by-products from the industrial distillation of lavandin (Lavandula x intermedia) essential oil as effective bioherbicides.

IF 8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Jorge Poveda, Daniel Vítores, Tamara Sánchez-Gómez, Óscar Santamaría, Pablo Velasco, Irene Zunzunegui, Víctor M Rodríguez, Baudilio Herrero, Jorge Martín-García
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引用次数: 0

Abstract

Weeds are one of the main problems causing losses in agricultural crops, which are nowadays mainly combated by the massive use of chemical herbicides. The development of new effective, sustainable, environmentally and health-friendly bioherbicides is a fundamental need worldwide. In this work, hydrolates and lavandin distilled straws produced during the distillation of the essential oil of lavandin (Lavandula x intermedia) were tested as potential bioherbicides. The weeds used were brome, annual ryegrass (monocotyledons), goosefoot and mat amaranth (dicotyledons) and the crops wheat, barley (monocotyledons), lentil and vetch (dicotyledons). The herbicidal capacity of both by-products was studied by applying the hydrolates in vitro on seeds and mixing the distillation straws with the growing substrate. Lavandin hydrolates significantly inhibited germination and growth of the four weeds used, being also phytotoxic for monocotyledonous crops, but hardly showed a phytotoxic effect on the dicotyledonous crops (lentil and vetch). With respect to lavandin distilled straws, they had an allelopathic effect of growth inhibition on all weeds and crops used in the work. In both by-products, lysophosphatidylcholine was identified as one of the major metabolites, while coumaroyl hexoside and feruloyl hexoside were identified as major metabolites only present in the straws. So far, only the phytotoxic capacity of the metabolites lysophosphatidylcholine and coumaroyl hexoside had been described. Therefore, by-products from the industrial distillation of lavandin could be used in the development of effective and sustainable bioherbicides, due to the allelopathic capacity of the metabolites present.

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来源期刊
Journal of Environmental Management
Journal of Environmental Management 环境科学-环境科学
CiteScore
13.70
自引率
5.70%
发文量
2477
审稿时长
84 days
期刊介绍: The Journal of Environmental Management is a journal for the publication of peer reviewed, original research for all aspects of management and the managed use of the environment, both natural and man-made.Critical review articles are also welcome; submission of these is strongly encouraged.
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