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Article

Weed Control Efficacy and Crop-Weed Selectivity of a New Bioherbicide WeedLock

1
Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang 43400, Malaysia
2
Department of Plant Protection, Faculty of Agriculture, Universiti Putra Malaysia, Serdang 43400, Malaysia
3
EntoGenex Industries Sdn. Bhd., Kuala Lumpur 50480, Malaysia
*
Author to whom correspondence should be addressed.
Academic Editor: Alessandra Carrubba
Agronomy 2021, 11(8), 1488; https://doi.org/10.3390/agronomy11081488
Received: 14 June 2021 / Revised: 19 July 2021 / Accepted: 20 July 2021 / Published: 27 July 2021
(This article belongs to the Section Weed Science and Weed Management)
Plant-based bioherbicides could be an effective alternative to current chemical herbicides for sustainable agriculture. Therefore, this research evaluated the weed control efficacy and crop-weed selectivity of the new plant-derived bioherbicide WeedLock compared to commercial herbicides in glasshouse and field conditions. In the glasshouse, the herbicides applied were WeedLock (672.75, 1345.50, 2691.00 L ha−1), glyphosate isopropyl-amine, and glufosinate-ammonium (1, 2, 4 L ha−1), over the untreated (control) on six weeds and four crops. In the field trial, typical weeds were allowed to grow at a uniform density across plots (2.5 × 2.5 m), and WeedLock (1345.50, 2691.00 L ha−1), glyphosate isopropyl-amine, and glufosinate-ammonium (2, 4 L ha−1) were applied along with untreated plot (control). A randomized complete block design was set with four replications for glasshouse and field experiments. WeedLock at 1345.50 L ha−1 showed efficacy similar to glyphosate isopropyl-amine and glufosinate-ammonium at 2 L ha−1 for Ageratum conyzoides L. in the glasshouse. Applied herbicides killed all tested crops except Zea mays L. at 1345.50 L ha−1 (WeedLock). WeedLock showed more than 50% efficacy at 35 days after spray, while 65% was produced by glyphosate isopropyl-amine and glufosinate-ammonium compared to the untreated plot (control). WeedLock has excellent potential to control weeds in both glasshouse and field conditions and showed a non-selective character. View Full-Text
Keywords: bioherbicide; sustainable weed management; efficacy; selectivity; glyphosate isopropyl-amine; glufosinate-ammonium bioherbicide; sustainable weed management; efficacy; selectivity; glyphosate isopropyl-amine; glufosinate-ammonium
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MDPI and ACS Style

Hasan, M.; Mokhtar, A.S.; Rosli, A.M.; Hamdan, H.; Motmainna, M.; Ahmad-Hamdani, M.S. Weed Control Efficacy and Crop-Weed Selectivity of a New Bioherbicide WeedLock. Agronomy 2021, 11, 1488. https://doi.org/10.3390/agronomy11081488

AMA Style

Hasan M, Mokhtar AS, Rosli AM, Hamdan H, Motmainna M, Ahmad-Hamdani MS. Weed Control Efficacy and Crop-Weed Selectivity of a New Bioherbicide WeedLock. Agronomy. 2021; 11(8):1488. https://doi.org/10.3390/agronomy11081488

Chicago/Turabian Style

Hasan, Mahmudul, Anis S. Mokhtar, Adam M. Rosli, Hafizuddin Hamdan, Mst. Motmainna, and Muhammad S. Ahmad-Hamdani 2021. "Weed Control Efficacy and Crop-Weed Selectivity of a New Bioherbicide WeedLock" Agronomy 11, no. 8: 1488. https://doi.org/10.3390/agronomy11081488

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