Phytochemical Constituents and Allelopathic Potential of Parthenium hysterophorus L. in Comparison to Commercial Herbicides to Control Weeds

Motmainna, Mst.; Juraimi, Abdul Shukor; Uddin, Kamal; Asib, Norhayu; Islam, A. K. M. Mominul; Ahmad-Hamdani, Muhammad Saiful; Hasan, Mahmudul

doi:10.3390/plants10071445

Cited by 21 publications

(11 citation statements)

References 57 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Our results are consistent with previous research, which reported that Senna species have inhibitory activity, such as extracts of S. obtusifolia and S. occidentalis causing the inhibition of the seed germination and growth of plant species [7,8]. Moreover, the unequal susceptibility of the tested species to the extracts could be due to inherent differences in the biochemicals involved in the process [34]. The species specificity of phytotoxic substances has also been demonstrated for other allelopathic plant species [35][36][37].…”

Section: Resultssupporting

confidence: 92%

Assessment of Allelopathic Potential of Senna garrettiana Leaves and Identification of Potent Phytotoxic Substances

et al. 2022

View full text Add to dashboard Cite

Senna garrettiana (Craib) Irwin & Barneby (Fabaceae) is a medicinal plant known to be rich in biologically active compounds that could be exploited to produce bioherbicides. The present study was conducted to explore the allelopathic potential and phytotoxic substances of S. garrettiana. Extracts of S. garrettiana leaves were found to significantly inhibit the growth of Lepidium sativum L. and Echinochloa crus-galli (L.) P. Beauv. (p ≤ 0.05). The phytotoxic substances were isolated and identified as vanillic acid and ferulic acid by bioassay-directed fractionation and spectral data analysis. The two compounds were shown to significantly inhibit the seed germination, seedling growth, and dry biomass of L. sativum. Based on the concentration required for 50% growth inhibition (defined as IC50), the roots of L. sativum were the most sensitive to the compounds, and the inhibitory effect of ferulic acid (IC50 = 0.62 mM) was >1.3 times more potent than that of vanillic acid (IC50 = 0.82 mM). In addition, a mixture of the two compounds (0.3 mM) resulted in synergistic inhibitory activity against the L. sativum roots compared with the individual compounds. These results suggest that the extracts of S. garrettiana leaves and their phytotoxic compounds have potential as candidate natural herbicides.

show abstract

Section: Resultssupporting

confidence: 92%

Assessment of Allelopathic Potential of Senna garrettiana Leaves and Identification of Potent Phytotoxic Substances

et al. 2022

View full text Add to dashboard Cite

show abstract

“…At 35 DAS, T 2 (2691.00 L ha −1 WeedLock) produced 51.38%, while T 4 (4 L ha −1 glyphosate isopropyl-amine) and T 6 (4 L ha −1 glufosinate-ammonium) exhibited 66.47% and 66.05% weed control efficiency, respectively. Plant-based bioherbicides may involve protein synthesis and decreased protein binding of chlorophyll a/b two-fold, affecting photosynthesis by the suppressing of chlorophyll synthesis [37,38]. Plant-based bioherbicides reduce the biosynthesis of Oxygen evolving enhancer protein 1, and it influences gas and nutrient exchange in weed species [39].…”

Section: Discussionmentioning

confidence: 99%

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

et al. 2021

Self Cite

View full text Add to dashboard Cite

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.

show abstract

“…Quantum yield (Fv/Fm). Quantum yield was measured for the newest fully expanded leaf of test plants at 10-12am using a portable plant efficiency analyzer (Model FMS 2, Hansatech Instrument Ltd. UK) 31 .…”

Section: Methodsmentioning

confidence: 99%

Physiological and biochemical responses of selected weed and crop species to the plant-based bioherbicide WeedLock

Hasan

Mokhtar

Mahmud

et al. 2022

Sci Rep

Self Cite

View full text Add to dashboard Cite

WeedLock is a broad-spectrum plant-based bioherbicide that is currently on the market as a ready-to-use formulation. In this study, we investigated the physiological and biochemical effects of WeedLock (672.75 L ha-1) on Ageratum conyzoides L., Eleusine indica (L.) Gaertn, Zea mays L., and Amaranthus gangeticus L. at four different time points. WeedLock caused significant reductions in chlorophyll pigment content and disrupted photosynthetic processes in all test plants. The greatest inhibition in photosynthesis was recorded in A. conyzoides at 24 h post-treatment with a 74.88% inhibition. Plants treated with WeedLock showed increased malondialdehyde (MDA) and proline production, which is indicative of phytotoxic stress. Remarkably, MDA contents of all treated plants increased by more than 100% in comparison to untreated. The activity of the antioxidant enzymes superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) was elevated following treatment with WeedLock. Significant increases were observed in the SOD activity of A. conyzoides ranging from 69.66 to 118.24% from 6 to 72 h post-treatment. Our findings confirm that WeedLock disrupts the normal physiological and biochemical processes in plants following exposure and that its mode of action is associated with ROS (reactive oxygen species) production, similar to that of PPO (protoporphyrinogen oxidase) inhibitors, although specific site-of-action of this novel bioherbicide warrants further investigation.

show abstract

Phytochemical Constituents and Allelopathic Potential of Parthenium hysterophorus L. in Comparison to Commercial Herbicides to Control Weeds

Cited by 21 publications

References 57 publications

Assessment of Allelopathic Potential of Senna garrettiana Leaves and Identification of Potent Phytotoxic Substances

Assessment of Allelopathic Potential of Senna garrettiana Leaves and Identification of Potent Phytotoxic Substances

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

Physiological and biochemical responses of selected weed and crop species to the plant-based bioherbicide WeedLock

Contact Info

Product

Resources

About