Allelopathic Effects of Bidens pilosa L. var. radiata Sch. Bip. on the Tuber Sprouting and Seedling Growth of Cyperus rotundus L.

Hsueh, Ming-Tung; Fan, Chihhao; Chang, Wenli

doi:10.3390/plants9060742

Cited by 11 publications

(10 citation statements)

References 49 publications

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“…Previous studies demonstrated that residues of Cobbler's pegs could significantly reduce the sprout reproduction of Cyperus rotundus L. in the upland field [18] and inhibited the growth of weeds in the paddy field [12,53]; however, in the present study, this plant exerted strong phytotoxicity on its seed germination in the controlled (Figure 2) and seminatural conditions (Figure 6), but less phytotoxicity in the natural conditions (Figures 8 and 9). The phytotoxicity of donor plants to the target plants depended on the concentration, movement and persistence of phytotoxins in the field condition [54].…”

Section: Responses Of Germinationcontrasting

confidence: 65%

“…Many Asteraceae species, such as Ageratum conyzoides L. [46], Helianthus annuus L. [47], Parthenium hysterophorus L. [48] and Wedelia trilobata L. [49], possess autotoxicity to regulate their vegetation regeneration and expansion. Several studies indicated that the plant extracts of Cobbler's pegs [7,18,[50][51][52] contained phytotoxins (i.e., phenolics and PHT) that inhibited seed germination and seedling growth of many other species. In the present study, we investigated the autotoxicity of Cobbler's pegs residue from the laboratory to the field and found that the residue or its extract of this plant was able to exert phytotoxicity on its seed germination and radicle growth in the laboratory, pot and field experiments.…”

Section: Autotoxic/phytotoxic Effects Of Residues On the Seed Germination And Radicle Growthmentioning

confidence: 99%

“…Hsueh et al [18] reported that Cobbler's pegs, as an edible and medicinal herb with phytotoxicity, possessed the potential to be introduced into the crop rotation system to enhance weed control. Furthermore, the Taiwan Good Agricultural Practices proposed a Cobbler's pegs growing protocol due to its pharmacology application [19].…”

Section: Introductionmentioning

confidence: 99%

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Effects of Light and Autotoxicity on the Reproduction of Bidens pilosa L.: From Laboratory to the Field

Hsueh

Fan

et al. 2020

Agriculture

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In Taiwan, the good agricultural practices for Bidens pilosa L. (Cobbler’s pegs) had been established due to its pharmacology application. However, the reproduction of this species that may cause phytotoxicity to the subsequent crops has not been investigated extensively. We hypothesized that both the phytotoxicity and canopy shading conditions that were altered by agricultural practices might affect its seed reproduction. Three experiments from laboratory, pot and field were conducted under different light treatments and residue application rates to evaluate the light requirement and phytotoxicity on the germination of Cobbler’s pegs. The results showed that the germination in the laboratory, dark treatments was higher than that of light treatment while it was inhibited in the darkness in the pot experiments (24% of the light treatments). Moreover, some seeds in the pot experiments germinated in the far-red light (FR) pretreated dark treatments. This observation indicated that the germination response of the investigated plant might be a very low fluence response (VLFR). Results also showed that the autotoxicity enhanced the germination reduction in the FR pretreated dark treatment while increasing the residues buried in the field. Accordingly, both autotoxicity and canopy shading may inhibit the reproduction of Cobbler’s pegs, but the application method needs further study.

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Section: Responses Of Germinationcontrasting

confidence: 65%

Section: Autotoxic/phytotoxic Effects Of Residues On the Seed Germination And Radicle Growthmentioning

confidence: 99%

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Effects of Light and Autotoxicity on the Reproduction of Bidens pilosa L.: From Laboratory to the Field

Hsueh

Fan

et al. 2020

Agriculture

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“…Eugenol was phytotoxic against a range of weeds such as Taraxacum officinale (L.) Weber ex F.H.Wigg. [ 58 ], Amaranthus retroflexus L. [ 59 ], Chenopodium album L. [ 60 ], Echinochloa crus-galli (L.) P.Beauv., Phalaris minor Retz., Ageratum conyzoides (L.) L., Leptochloa chinensis (L.) Nees, Bidens Pilosa L., and Commelina benghalensis L. [ 58 ], being promising as a bio-herbicide.…”

Section: Resultsmentioning

confidence: 99%

Phytotoxic Potential and Phenolic Profile of Extracts from Scrophularia striata

Mousavi

Karami

Haghighi

et al. 2021

Plants

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A large number of plants produce secondary metabolites known as allelochemicals that are capable of inhibiting the germination of competitive species. This process is known as allelopathy and is mediated by several classes of chemicals, among which phenolic compounds are the most frequent. Thus, plant allelochemicals can be used to control weeds in agricultural systems. In the present work, we analyzed the phenolic profile and phytotoxic potential of different extracts (pure water or water: ethanol 50:50) from Scrophulariastriata plants that were collected from two ecological regions in Iran (Pahleh and Lizan). The total polyphenolic content (TPC), as evaluated by the Folin-Ciocolteau method, ranged from 28.3 mg/g in the aqueous extract obtained from the Lizan ecotype to 39.6 mg/g in the hydroalcoholic extract obtained from the Pahleh ecotype. Moreover, HPLC analysis was aimed at determining the content of eight phenolic compounds, namely eugenol, rosmarinic acid, hesperetin, hesperedin, trans-ferulic acid, vanillin, and caffeic acid. According to the results, rosmarinic acid appeared to be the most abundant component. The phytotoxic activities of S.striata extracts were examined on the seed germination of a crop species, Lepidium sativum, and two weeds, Chenopodium album and Malva sylvestris. All extracts showed inhibitory effects on these species. The efficiency of these inhibitory effects depended on the type of plant species, origin, and concentration of extract. The highest phytotoxic activity was caused by approximately 1% concentration of extract. The most susceptible weed was M. sylvestris. The extracts that were obtained from the Pahleh ecotype, notably the hydroalcoholic ones, showed higher phytotoxicity against L. sativum, C. album and M. sylvestris. These results encourage further studies to support the use of S. striata as a source of bioherbicides.

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“…At present, there are no highly selective and safe bio-herbicides for controlling barnyard grass in rice fields. Evaluation of allelochemicals, especially their inhibition functions, is an effective method for identifying potential herbicides [ 3 ]. Plant essential oils can function as allelochemicals and therefore serve as a resource pool which can provide effective allelochemicals [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Phytochemical profiling and allelopathic effect of garlic essential oil on barnyard grass (Echinochloa crusgalli L.)

Bai

Han

et al. 2023

PLoS ONE

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In agriculture, barnyard grass (Echinochloa crusgalli L.) is one of the most harmful weeds in rice fields now. In order to identify active ingredients which had inhibiting effect on barnyard grass (Echinochloa crusgalli L.), we evaluated several possible natural plant essential oils. Essential oils from twelve plant species showed inhibitory activity against barnyard grass seedlings and root length. The garlic essential oil (GEO) had the most significant allelopathic effect (EC50 = 0.0126 g mL-1). Additionally, the enzyme activities of catalase (CAT), peroxidase (POD) and superoxide dismutase (SOD) increased during the first 8 hours of treatment at a concentration of 0.1 g mL-1 and then declined. The activities of CAT, SOD and POD increased by 121%, 137% and 110% (0–8h, compared to control), and decreased (8–72h, compared to the maximum value) by 100%, 185% and 183%, respectively. The total chlorophyll content of barnyard grass seedlings decreased by 51% (0–72h) continuously with the same dosage treatment. Twenty constituents of GEO were identified by gas chromatography-mass spectrometry, and the herbicidal activity of two main components (diallyl sulfide and diallyl disulfide) was evaluated. Results showed that both components had herbicidal activity against barnyard grass. GEO had a strong inhibitory effect (~88.34% inhibition) on barnyard grass growth, but safety studies on rice showed it did not have much inhibitory effect on rice seed germination. Allelopathy of GEO provide ideas for the development of new plant-derived herbicides.

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Allelopathic Effects of Bidens pilosa L. var. radiata Sch. Bip. on the Tuber Sprouting and Seedling Growth of Cyperus rotundus L.

Cited by 11 publications

References 49 publications

Effects of Light and Autotoxicity on the Reproduction of Bidens pilosa L.: From Laboratory to the Field

Effects of Light and Autotoxicity on the Reproduction of Bidens pilosa L.: From Laboratory to the Field

Phytotoxic Potential and Phenolic Profile of Extracts from Scrophularia striata

Phytochemical profiling and allelopathic effect of garlic essential oil on barnyard grass (Echinochloa crusgalli L.)

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