The Essential Oil of Monarda didyma L. (Lamiaceae) Exerts Phytotoxic Activity in Vitro against Various Weed Seed

Ricci, Donata; Epifano, Francesco; Fraternale, Daniele

doi:10.3390/molecules22020222

Cited by 33 publications

(25 citation statements)

References 24 publications

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“…3). The growth retardatory effects of Melaleuca oil on the test plants is in agreement with earlier studies reporting inhibitory effect of volatile oils from aromatic plants on the seedling growth of weeds (Singh et al, 2009;Rolli et al, 2014, Arora et al, 2016Ricci et al, 2017). The reduction in early growth of weeds could be due to the inhibitory effect of plant volatiles on the cell division and lowered root mitotic activity, DNA synthesis of growing root tips and disruption of the membranes (Nishida et al, 2005;Ahuja et al, 2015).…”

Section: Resultssupporting

confidence: 90%

“…1). The observations made in the present study are parallel to earlier studies documenting the inhibition of seed germination in response to essential oils (Singh et al, 2009;Grichi et al, 2016;Ricci et al, 2017). From the previous studies, it has been known that the essential oil exhibited potent inhibitory effect on germination and growth, and causing morphological and physiological changes in the plant seedlings (Kordali et al, 2015;Bali et al, 2016).…”

Section: Resultssupporting

confidence: 89%

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Phytotoxic potential of essential oil of Melaleuca leucadendra against some agricultural weeds

Goyal

2017

Ann.Pl.Sci.

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The work was undertaken to investigate the phytotoxic potential of essential oil from Melaleuca leucadendra against three weed species, viz., Echinochloa crus-galli, Cyperus rotundus and Leptochloa chinensis. It was observed that volatile oil (0.25-1.5 mg ml-1) of Melaleuca retarded the germination and growth of all the test weeds in a dose-response bioassay conducted under laboratory conditions. Generally, both root and shoot length showed an inhibitory effect in a concentration dependent manner and the maximum effect was observed in C. rotundus, followed by E. crus-galli and L. chinensis. The Melaleuca oil not only affected the germination and seedling growth of the test weeds, but also inhibited the chlorophyll content and dry weight. At the highest dose of Melaleuca oil treatment (1.5 mg ml-1), the chlorophyll content declined by nearly 50% in E. crus-galli and 90% in L. chinensis over the control. Thus, it is concluded that volatile oil possesses phytotoxic potential towards other plants and could be further explored for weed management.

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Section: Resultssupporting

confidence: 90%

Section: Resultssupporting

confidence: 89%

Phytotoxic potential of essential oil of Melaleuca leucadendra against some agricultural weeds

Goyal

2017

Ann.Pl.Sci.

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“…Also, a Monarda species grown in Canada underlined thymol (41.17%), γ-terpinene (15.88%), carvacrol (15.20%), and p-myrcene (12.58%) as main constituents [115]. Two other studies published in 2017 reported the EO composition from this plant species cultivated in central Italy: the EO from the flowering aerial parts pointed to thymol (59.3%) and p-cymene (10.3%) as major compounds [116], while the second work evidenced thymol 62% [43]. Other Monarda species, always cultivated in Italy, were very rich in monoterpenes, but with o-cymene (13.42), γ-terpinene (22.15), and carvacrol (13.80%) as the main constituents, and thymol with a lesser amount (5.87%) [42].…”

Section: Essential Oilsmentioning

confidence: 85%

Bioactive Compounds and Aroma Profile of Some Lamiaceae Edible Flowers

Marchioni

Najar

Ruffoni

et al. 2020

Plants

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Edible flowers are consumed for their appearance, colours, nutritional and healthy properties, but the use is limited by the actual number of the species. Seven edible flowers of the Lamiaceae family (Ocimeae and Mentheae tribes) were investigated: Monarda didyma ‘Fireball’, Nepeta × faassenii ‘Six Hills Giant’, Ocimum basilicum ‘Blue Spice’, O. basilicum ‘Cinnamon’, Ocimum × citriodorum, Salvia discolor, and Salvia microphylla ‘Hot Lips’. Total soluble sugars, proteins, polyphenols, carotenoids, ascorbic acid and antioxidant activity were detected. The species of the Mentheae tribe contained higher sugar content than Ocimeae flowers, the opposite with regard to protein content. Ocimeae tribe flowers showed high polyphenols and carotenoids content. The Ocimeae tribe together with two specie of the Mentheae tribe showed an aroma profile dominated by sesquiterpene hydrocarbons (58.0% in S. discolor to 77.9% in Ocimum × citriodorum). Oxygenated monoterpenes prevailed in Nepeta and Monarda, also present in the essential oil of this latter species (84.5%). By contrast, Nepeta and S. discolor evidenced non-terpenes as the principal class (41.2% and 77.5%, respectively), while the oxygenated sesquiterpene was the main one in S. microphylla. The two varieties of Ocimum spp. showed oxygenated monoterpenes as the main class of volatiles.

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“…EOs inhibiting the growth of tested plants via ROS overproduction leading to oxidative stress and degradation of membrane integrity was evidenced via increased levels of MDA and EL, and decreased levels of conjugated dienes were demonstrated for other EOs such as Pogostemon benghalensis [45], Monarda didyma [46] and Artemisia scoparia [47].…”

Section: Reactive Oxygen and Nitrogen Species Inductionmentioning

confidence: 94%

Phytotoxicity of Essential Oils: Opportunities and Constraints for the Development of Biopesticides. A Review

Werrie

Durenne

Delaplace

et al. 2020

Foods

119

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The extensive use of chemical pesticides leads to risks for both the environment and human health due to the toxicity and poor biodegradability that they may present. Farmers therefore need alternative agricultural practices including the use of natural molecules to achieve more sustainable production methods to meet consumer and societal expectations. Numerous studies have reported the potential of essential oils as biopesticides for integrated weed or pest management. However, their phytotoxic properties have long been a major drawback for their potential applicability (apart from herbicidal application). Therefore, deciphering the mode of action of essential oils exogenously applied in regards to their potential phytotoxicity will help in the development of biopesticides for sustainable agriculture. Nowadays, plant physiologists are attempting to understand the mechanisms underlying their phytotoxicity at both cellular and molecular levels using transcriptomic and metabolomic tools. This review systematically discusses the functional and cellular impacts of essential oils applied in the agronomic context. Putative molecular targets and resulting physiological disturbances are described. New opportunities regarding the development of biopesticides are discussed including biostimulation and defense elicitation or priming properties of essential oils.

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The Essential Oil of Monarda didyma L. (Lamiaceae) Exerts Phytotoxic Activity in Vitro against Various Weed Seed

Cited by 33 publications

References 24 publications

Phytotoxic potential of essential oil of Melaleuca leucadendra against some agricultural weeds

Phytotoxic potential of essential oil of Melaleuca leucadendra against some agricultural weeds

Bioactive Compounds and Aroma Profile of Some Lamiaceae Edible Flowers

Phytotoxicity of Essential Oils: Opportunities and Constraints for the Development of Biopesticides. A Review

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