Herbicidal potential of Alternaria citri metabolites against Parthenium hysterophorus

Javaid, Arshad; Mubeen, T; Khan, Iqra Haider; Jabeen, Khajista; Akbar, Muhammad

doi:10.26651/allelo.j/2022-55-1-1368

Cited by 13 publications

(8 citation statements)

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“…Therefore, their phytotoxicity was probably due to the synergism between the constituents [24,35]. The phytotoxic properties of the Eucalyptus genus are well recognized and reported [2,9], and the phytotoxic and allelopathic activities of some Eucalyptus species are well known and attributed to the EOs, in particular to monoterpenes such as eucalyptol and limonene [36], capable of acting in various ways, for example, destroying the chlorophyll reserves, interfering with cellular respiration processes [10] or decreasing the water reserves of the seeds [11]. Monoterpenes have been widely reported for their phytotoxic properties for a long time [37][38][39].…”

Section: Discussionmentioning

confidence: 99%

Chemical Composition and Phytotoxic and Antibiofilm Activity of the Essential Oils of Eucalyptus bicostata, E. gigantea, E. intertexta, E. obliqua, E. pauciflora and E. tereticornis

Polito

Kouki

Khedhri

et al. 2022

Plants

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Eucalyptus species are characterized by their richness in essential oils (EOs) with a great diversity of biological activities. This study reports the chemical composition and the phytotoxic and antibiofilm activities of the EOs of six Eucalyptus species growing in Tunisia: E. bicostata, E. gigantea, E. intertexta, E. obliqua, E. pauciflora and E. tereticornis. Four EOs were rich above all in oxygenated monoterpenes (25.3–91.4%), with eucalyptol as the main constituent. However, in the EOs of E. pauciflora and E. tereticornis, sesquiterpene hydrocarbons (28.8–54.0%) were the main class of constituents; piperitone was the main constituent of both EOs. The phytotoxicity of the EOs was tested against germination and radicle elongation of the weeds Sinapis arvensis and Lolium multiflorum and the crop Raphanus sativus, resulting in the different inhibition of seed germination and radicle elongation depending on both chemical composition and the seed tested, with remarkable phytotoxicity towards S. arvensis and R. sativus. Furthermore, almost all EOs showed antibacterial potential, resulting in significant inhibition of bacterial biofilm formation and the metabolism of Gram-positive (Staphylococcus aureus subsp. aureus and Listeria monocytogenes) and Gram-negative (Acinetobacter baumannii, Pseudomonas aeruginosa and Escherichia coli) bacterial strains, in addition to acting on mature biofilms. The EOs were inhibitory against all bacterial strains tested and usually reluctant to undergo the action of conventional antibiotics. Therefore, these EOs may be considered for applications both as herbicides and in food and health fields.

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Section: Discussionmentioning

confidence: 99%

Chemical Composition and Phytotoxic and Antibiofilm Activity of the Essential Oils of Eucalyptus bicostata, E. gigantea, E. intertexta, E. obliqua, E. pauciflora and E. tereticornis

Polito

Kouki

Khedhri

et al. 2022

Plants

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“… 18 , 36 Other management measures, like traditional weeding and chemical approaches, should be used with a broader strategy, according to this. In addition, biological control agents such as Zygogramma bicolorata, 18 metabolites of fungal species, 37 or bio-herbicides from other native plants could be added to Parthenium management utilizing the DuLc bio-herbicide. 1 , 37 It is important to emphasize, however, that DuLc should be made from D. uncinatum young leaves obtained from several places that are free of pesticide contamination.…”

Section: Discussionmentioning

confidence: 99%

Eco-friendly management of Parthenium hysterophorus

Ojija

2022

Science Progress

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In sub-Saharan Africa, the invasive plant Parthenium hysterophorus (Parthenium) is threatening ecosystem integrity, biodiversity, and smallholder livelihoods. But, there is no single effective method of controlling it. Desmodium intortum, Lablab purpureus, and Medicago sativa were tested for their capacity to suppress Parthenium, as well as the allelopathic potential of Desmodium uncinatum leaf crude (DuLc) extract. While the study investigated the effect of DuLc extract concentrations on seed germination and seedling growth in laboratory, pot, field plot, it also assessed the effect of selected suppressive plants on Parthenium growth. It was found that high levels of DuLc concentrations and suppressive plants inhibited Parthenium germination and growth. When Parthenium was grown with suppressive plants, its growth was inhibited compared to when it was grown alone. When grown with all three test plants, the stem height and total fresh biomass of Parthenium seedlings were lowered by more than 60% and 59% in pots, and 40% and 45% in plots, respectively. Parthenium seed germination was decreased by 57% in plots, 60% in pots, and 73% in petri dishes at higher DuLc concentrations (i.e. 75% and 100%). Parthenium seedling stem heights were 36% (in plots) and 30% (in pots) shorter when sprayed with higher concentrations of DuLc. Overall, the findings of this study suggest that suppressive plants and those containing allelochemicals can be employed as a management tool to combat Parthenium invasion in sub-Saharan Africa, notably in Tanzania.

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“…Besides this the effect of various plant extracts including garlic (Allium sativum), onion (Allium cepa) camphor (Eucalyptus globulus), sunflower (Helianthus annuus), peppermint (Mentha piperita), rosemary (Rosmarinus officinalis), and olive (Olea europaea) were also effective against khapra beetle (Younes et al, 2011). Parthenium hysterpphorus is a noxious invasive weed (Devkota and Sahu, 2017;Javaid et al, 2022). It possesses many biological activities including insecticidal, antifeedant, antiviral, antifungal, antimalarial and antibacterial (Kushwaha and Maurya, 2012).…”

Section: Introductionmentioning

confidence: 99%

Assessment of Toxicity of Parthenium hysterophorus L. Extract against Larvae of Trogoderma granarium

et al. 2022

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The leaves of parthenium (Parthenium hysterophorus L.) were extracted in ethanol and toxicity of the extract was examined on khapra beetle (Trogoderma granarium Everts) larvae. Four concentrations (2, 4, 6 and 8 µL mL-1 acetone) were applied directly on the larvae in Petri dishes. Toxicity was recorded after 12, 24 and 36 h. All the concentrations had considerable effect on the mortality of larvae. At the highest concentration (8 µL mL-1), the mortality observed was 57%, 72% and 78% after 12, 24 and 36 h, respectively. The minimum mortality was observed to be 43% at the concentration of 2 µL mL-1 acetone after 12 h. GC-MS analysis of the parthenium leaves showed 7 compounds in the extract including phytol (38.68%), β-cubebene (11.98%), hexadecanoic acid, methyl ester (11.22%), caryophyllene (10.37%), 9,12,15-octadecatrienoic acid, ethyl ester, (Z,Z,Z)- (9.98%), methyl stearate (9.01%), and hexadecanoic acid, ethyl ester (8.74%). The study concluded that an extract of 8 µL mL-1 acetone concentration is highly effective against larvae of khapra beetles that can cause 78% mortality after 36 h of direct exposure to the larvae.

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Herbicidal potential of Alternaria citri metabolites against Parthenium hysterophorus

Cited by 13 publications

References 0 publications

Chemical Composition and Phytotoxic and Antibiofilm Activity of the Essential Oils of Eucalyptus bicostata, E. gigantea, E. intertexta, E. obliqua, E. pauciflora and E. tereticornis

Chemical Composition and Phytotoxic and Antibiofilm Activity of the Essential Oils of Eucalyptus bicostata, E. gigantea, E. intertexta, E. obliqua, E. pauciflora and E. tereticornis

Eco-friendly management of Parthenium hysterophorus

Assessment of Toxicity of Parthenium hysterophorus L. Extract against Larvae of Trogoderma granarium

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