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Fungal‐based bioherbicides for weed control: a myth or a reality?

Abstract : The use of bioherbicides containing fungal active ingredients or natural fungal molecules is one of the possible solutions to reduce the use of chemical products. This paper focuses on studies of bioherbicides, including both living fungi and natural fungal molecules, published in the last 45 years, and their associated weed targets; current problems in the development of bioherbicides are also discussed. Bibliometric methods based on the Web of Science database were used to analyse relevant articles published between 1973 and 2018. Overall analysis suggested that interest in bioherbicides extends over the preceding thirty years, when many potential microorganisms and natural fungal molecules were proposed. Furthermore, analysis of about 229 articles indicated an encouraging exploitable potential, although there is a real gap between the number of experimental studies and the small number of products currently on the market. A dozen fungal‐based bioherbicides are on the market in the United States and Canada, while countries, such as China and South Africa, have one, and none is available in Europe. The active ingredients in these bioherbicides are living fungi, but no fungal molecule‐based product is thus far on the market. Reasons for this gap include production hurdles, formulation process, ecological fitness, duration of herbicidal effects, and costly and time‐consuming registration procedures. However, it is clear that analysis of fungus–plant interactions provides a promising source of bioherbicides that may be applied to appropriate cropping systems for environment‐friendly, sustainable weed control.
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Submitted on : Monday, February 3, 2020 - 11:03:44 AM
Last modification on : Thursday, July 30, 2020 - 10:56:06 AM

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Marion Triolet, Jean-Philippe Guillemin, O Andre, Christian Steinberg. Fungal‐based bioherbicides for weed control: a myth or a reality?. Weed Research, Wiley, 2020, 60 (1), pp.60-77. ⟨10.1111/wre.12389⟩. ⟨hal-02464399⟩

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