Table 3
Recent studies on aphid-phenolic interactions in canola.
| Phenolics studied | Research findings | Authors |
|---|---|---|
| Aphis gossypii adaptive divergence was studied on different leguminous hosts in association with defense chemicals. | Aphids fed more on cowpeas with excessive salivation and 75% more honeydew secretions, while the converse happened on hyacinth, probably due to higher phenolics. | Pan et al. (2026) |
| Plant secondary metabolites, particularly phenolics, were investigated for resistance against aphids. | Aphid population is reduced due to enzymatic actions, antioxidant defense activations, behavioral alterations, and suppression of digestion, and host defense signaling causes antibiosis and antixenosis. | Farhan et al. (2025) |
| Phenolic compounds were studied in canola through reverse phase (RP)-HPLC in response to B. brassicae infestation and sulfur treatments in contaminated soils. | Quercetin, ferulic, gallic, caffeic, chlorogenic, m-coumaric, sinapic, syringic, vanillic, ferulic, p-coumaric, and cinnamic acids were activated. | Javed et al. (2025) |
| Phenolic profile in canola was studied against B. brassicae infestation in response to silicon and ammonium sulfate treatments. | Myricetin, chlorogenic, gallic, m-coumaric, p-coumaric, and sinapic acids were activated in response to silicon treatment, whereas quercetin, sinapic, and syringic acids were elicited due to ammonium sulfate in the AS 50 kg ha− 1 treatment. | Javed et al. (2025) |
| RP-HPLC profile of phenolic compounds was estimated against B. brassicae on canola under the treatments of salicylic and citric acid biostimulants. | The 1 mM salicylic acid enhanced gallic, cinnamic, m-coumaric, and p-coumaric acids, while 1 mM citric acid accumulated myricetin, quercetin, caffeic, syringic, chlorogenic, vanillic, ferulic, and sinapic acids. Salicylic acid, being a phenolic compound, significantly reduced the aphid abundance. | Javed et al. (2025) |
| Plant secondary metabolites, specifically phenolics, were reviewed for their types, insecticidal activities, and mechanisms of action. | Both simple (hydroxybenzoic acids, phenolic acids, and catechols) and complex phenolics (tannins, lignins, tannic acid, and flavonoids) were important against Brassica aphids, e.g., L. erysimi pseudobrassicae and M. persicae, to reduce aphid populations through aphicidal, repellent, and induction of plant volatiles. | Farhan et al. (2024) |
| Shoot metabolome of B. nigra was studied against different aphid species in response of nematode infection | Aphid survival was reduced where hydroxycinnamic acid, glucosinolates, and salicylic acid-2-O-β-d-glucoside were dominant. | Pajar et al. (2024) |
| Total phenolics were assessed against B. brassicae under the elicitation treatments of salicylic acid, chitosan, and gamma-aminobutyric acid treatments. | Combination of salicylic and gamma-aminobutyric acids provided the highest total phenolic content against cabbage aphids and reduced their population. | Shahrokhi et al. (2024) |
| Phenolic responses against B. brassicae on canola were examined under fertilizer and abscisic acid treatments. | Fertilizers and abscisic acid produced strong antibiosis and antixenosis against B. brassicae through the elicitation of total phenolic compounds and phenol-based enzymes, particularly polyphenol oxidases and phenylalanine ammonia-lyase. | Dehghan et al. (2023) |
| Phenolic- and glucosinolate-based pest resistance against aphids and other insect complexes was assessed in different accessions of B. carinata. | Accessions having high levels of phenolics and glucosinolates were resistant against aphids and other pests. | Zhou et al. (2022) |
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