The effects of phenolic compounds on the abundance of olive psyllid, Euphyllura straminea Loginova in commercial and promising olive cultivars
Abstract The olive psyllid (Euphyllura straminea Loginova) has been reported as a key pest of olive in Iran. Field observations have shown that the infestation rates of various olive cultivars differ among olive psyllid. This study aimed to determine the levels of total phenol and 3,4-dihydroxypheny...
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2025-07-01
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| Series: | BMC Plant Biology |
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| Online Access: | https://doi.org/10.1186/s12870-025-06862-7 |
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| author | Mahmoud Azimi Aref Marouf Seyyed E. Shafiei Azizollah Abdollahi |
| author_facet | Mahmoud Azimi Aref Marouf Seyyed E. Shafiei Azizollah Abdollahi |
| author_sort | Mahmoud Azimi |
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| description | Abstract The olive psyllid (Euphyllura straminea Loginova) has been reported as a key pest of olive in Iran. Field observations have shown that the infestation rates of various olive cultivars differ among olive psyllid. This study aimed to determine the levels of total phenol and 3,4-dihydroxyphenylethanol (DHPE), as well as the horticultural traits of various olive cultivars, such as Zard, Conservolia, Arbequina, Picual, Cornicabra, Kaissy, Direh, and Koroneiki, and how they correlate with the infestation rates of the olive psyllid. The maximum and minimum numbers of psyllid nymphs were observed in the Arbequina (19.79 ± 2.28) and Direh (2.13 ± 0.38) cultivars, respectively. In contrast, the highest and lowest amounts of DHPE were recorded in the inflorescences of the Direh (11.47 ± 0.54 mg/g) and Arbequina (5.37 ± 0.30 mg/g) cultivars, respectively. Moreover, a rise in the concentration of DHPE in the inflorescences of different olive cultivars is associated with a reduction in the nymph population found within those inflorescences. A negative correlation was observed between the amount of total phenol and the number of nymphs on the inflorescence of olive cultivars. It was concluded that DHPE phenolic compounds might play an effective role in pest attack. |
| format | Article |
| id | doaj-art-dbd1fe324f70478295b30b1aa922248e |
| institution | Kabale University |
| issn | 1471-2229 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | BMC |
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| series | BMC Plant Biology |
| spelling | doaj-art-dbd1fe324f70478295b30b1aa922248e2025-08-20T03:37:20ZengBMCBMC Plant Biology1471-22292025-07-012511710.1186/s12870-025-06862-7The effects of phenolic compounds on the abundance of olive psyllid, Euphyllura straminea Loginova in commercial and promising olive cultivarsMahmoud Azimi0Aref Marouf1Seyyed E. Shafiei2Azizollah Abdollahi3Crop and Horticultural Research Department, West Azerbaijan Agricultural and Natural Resources Research Center, AREEOPlant Protection Reseach Department, Agricultural and Natural Resources Research Center of Zanjan, AREEOOlive Research Station of Tarom, Agricultural and Natural Resources Research Center of Zanjan Province (AREEO)Olive Research Station of Tarom, Agricultural and Natural Resources Research Center of Zanjan Province (AREEO)Abstract The olive psyllid (Euphyllura straminea Loginova) has been reported as a key pest of olive in Iran. Field observations have shown that the infestation rates of various olive cultivars differ among olive psyllid. This study aimed to determine the levels of total phenol and 3,4-dihydroxyphenylethanol (DHPE), as well as the horticultural traits of various olive cultivars, such as Zard, Conservolia, Arbequina, Picual, Cornicabra, Kaissy, Direh, and Koroneiki, and how they correlate with the infestation rates of the olive psyllid. The maximum and minimum numbers of psyllid nymphs were observed in the Arbequina (19.79 ± 2.28) and Direh (2.13 ± 0.38) cultivars, respectively. In contrast, the highest and lowest amounts of DHPE were recorded in the inflorescences of the Direh (11.47 ± 0.54 mg/g) and Arbequina (5.37 ± 0.30 mg/g) cultivars, respectively. Moreover, a rise in the concentration of DHPE in the inflorescences of different olive cultivars is associated with a reduction in the nymph population found within those inflorescences. A negative correlation was observed between the amount of total phenol and the number of nymphs on the inflorescence of olive cultivars. It was concluded that DHPE phenolic compounds might play an effective role in pest attack.https://doi.org/10.1186/s12870-025-06862-7Host preferenceOlive psyllid3,4-dihydroxyphenyl ethanolEuphyllura straminea |
| spellingShingle | Mahmoud Azimi Aref Marouf Seyyed E. Shafiei Azizollah Abdollahi The effects of phenolic compounds on the abundance of olive psyllid, Euphyllura straminea Loginova in commercial and promising olive cultivars BMC Plant Biology Host preference Olive psyllid 3,4-dihydroxyphenyl ethanol Euphyllura straminea |
| title | The effects of phenolic compounds on the abundance of olive psyllid, Euphyllura straminea Loginova in commercial and promising olive cultivars |
| title_full | The effects of phenolic compounds on the abundance of olive psyllid, Euphyllura straminea Loginova in commercial and promising olive cultivars |
| title_fullStr | The effects of phenolic compounds on the abundance of olive psyllid, Euphyllura straminea Loginova in commercial and promising olive cultivars |
| title_full_unstemmed | The effects of phenolic compounds on the abundance of olive psyllid, Euphyllura straminea Loginova in commercial and promising olive cultivars |
| title_short | The effects of phenolic compounds on the abundance of olive psyllid, Euphyllura straminea Loginova in commercial and promising olive cultivars |
| title_sort | effects of phenolic compounds on the abundance of olive psyllid euphyllura straminea loginova in commercial and promising olive cultivars |
| topic | Host preference Olive psyllid 3,4-dihydroxyphenyl ethanol Euphyllura straminea |
| url | https://doi.org/10.1186/s12870-025-06862-7 |
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