Assessment of Infested and Healthy Trees of Eucalyptus Planted on Treated Sewage Water: Reasons of Infestation, Symptoms and Control | ||||
| Alexandria Journal of Agricultural Sciences | ||||
| Article 6, Volume 70, Issue 1, March 2025, Page 61-69 PDF (1.53 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/alexja.2024.338578.1113 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Ahmed El-Settawy1; Nashwa Ahmed   2; Manal Abd- El Rahman2
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| 1Forestry and Wood Technology Department, Faculty of Agriculture (El Shatby), Alexandria University, Alexandria 21545, Egypt | ||||
| 2Forestry and Wood Technology Department, Agriculture Research Center, Ministry of Agriculture, Egypt | ||||
| Abstract | ||||
| This research was carried out in Serapium plantation of Corymbia citriodora, and Eucalyptus camaldulensis where infestation symptoms caused by Phoracantha semipunctataon these sites had been detected. Results showed that Eucalyptus camaldulensis species was more resistant than Corymbia citriodora species, since the infestation percentage was 9.6% and 26.5%, respectively. Moreover, decreased moisture content of plants and soil (owing to drought period and increasing temperature) affected strongly infestation levels. | ||||
| Keywords | ||||
| Corymbia citriodora; Eucalyptus camaldulensis; Phoracantha semipunctata; Insects infestation | ||||
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