Allelopathic effects of the perennial herb Achillia santolina (Yarrow) on growth of selected species of soil algae in laboratory

Khaleafa, A. F.

doi:10.5455/egyjebb.20170506054753

Cited by 1 publication

(3 citation statements)

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“…According to compounds determined from marigold leaf extract, the main compounds were phenolic acids and parts of flavonoids (Table 2). However, most phenolic acid compounds in the present extract were in the form of glycosides, which may be related to the chemicals that were synthesized in phenolic acids and flavonoid metabolism pathway [9]. Therefore, it could be further inferred that the dominant role of the inhibition effect on C. vulgaris cells was mainly from phenolic acids associated with a part of flavonoid chemicals in the marigold leaf extract.…”

Section: Chemical Analysis From the Marigold Leaf Extractmentioning

confidence: 80%

“…Phenols are commonly used as allelochemicals because of their various biological activities [9]. According to compounds determined from marigold leaf extract, the main compounds were phenolic acids and parts of flavonoids (Table 2).…”

Section: Chemical Analysis From the Marigold Leaf Extractmentioning

confidence: 99%

“…These findings implied that allelopathy could be used to control microalgae outbreaks. Studies of allelopathic effects on the control of microalgae growth can be found in some herb medicinal plants such as marigold, Taraxacum mongolicum Hand.-Mazz, Achillia santolina, and Ficus carica L. [5,6,9]. However, there was little research of marigold testing effects on C. vulgaris.…”

Section: Introductionmentioning

confidence: 99%

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Allelopathic effect of marigold (Tagetes erecta L.) leaf extract on growth of Chlorella vulgaris

Wongsnansilp¹,

Phinrub²,

Juntawong³

2022

J Appl Biol Biotech

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Marigold (Tagetes erecta L.) is a perennial edible medicinal plant. In order to test the allelopathic effect of marigold leaf extract on Chlorella vulgaris, the microalgae growth conditions under different concentrations of marigold leaf extract (0 to 50 g/l) were studied. The results showed that microalgal growth was inhibited by marigold leaf extract, and inhibition commonly increased with increasing concentration of the extract and culture time. The maximum inhibition rate (90.1%) appeared in leaf extract of 30 g/l after 14 days of incubation; marigold leaf extract induced chlorophyll degradation in algae cells, increased the permeability of cell membrane, and caused exudation of soluble protein and nucleic acid, leading to the damage of algae cell structure and metabolic dysfunction. The present results confirmed that marigold leaf extract has an allelopathic inhibition effect on C. vulgaris, and the results could be further applied to develop safe and efficient algaecides.

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Section: Chemical Analysis From the Marigold Leaf Extractmentioning

confidence: 80%

Section: Chemical Analysis From the Marigold Leaf Extractmentioning

confidence: 99%