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Agricultural Uses of Juglone: Opportunities and Challenges

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Department of Horticulture and Landscape Architecture, Purdue University, 625 Agriculture Mall Dr, West Lafayette, IN 47907, USA
2
Department of Agronomy, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh
3
Purdue Center for Plant Biology, Purdue University, West Lafayette, IN 47907, USA
*
Authors to whom correspondence should be addressed.
Agronomy 2020, 10(10), 1500; https://doi.org/10.3390/agronomy10101500
Received: 4 September 2020 / Revised: 28 September 2020 / Accepted: 28 September 2020 / Published: 1 October 2020
(This article belongs to the Special Issue Effects of Biostimulants and Bioeffectors on Plant Growth)
Application of conventional synthetic pesticides and agrochemicals has boosted the yield and productivity of crops by reducing pest infestation and promoting crop growth yet increasing reliance on many of these products poses serious environmental threats. This has led to growing interest in obtaining more environmentally friendly alternatives to conventional pesticides and agrochemicals. Allelochemicals produced by plants, fungi, and microbes offer options for developing novel natural product-based pesticides and agrochemicals that are effective but with lower environmental half-lives. Here, we review the current state of knowledge about the potential use of juglone (5-hydroxy-1,4-naphthoquinone), the allelochemical produced by black walnut trees (Juglans nigra), which has been investigated for applications across a range of different agricultural purposes. We then offer our perspective on what opportunities and challenges exist for harnessing juglone as a component of sustainable agriculture. View Full-Text
Keywords: allelochemical; agrochemical; biostimulant; Juglans; juglone; natural product; pesticide; sustainable agriculture; urease inhibitor allelochemical; agrochemical; biostimulant; Juglans; juglone; natural product; pesticide; sustainable agriculture; urease inhibitor
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MDPI and ACS Style

Islam, A.K.M.M.; Widhalm, J.R. Agricultural Uses of Juglone: Opportunities and Challenges. Agronomy 2020, 10, 1500.

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