The purpose of this study is to determine seasonality of rodent species infesting one of the main crops, oranges and mandarin, in three centers of Sohag region: Shandaweel, Tahta and Gerga distributed. The results showed that 3 genera, 1 family and 4 species were recorded in Sohag province, Egypt. Rodent species from different habitats in Sohag province. Among the rodents caught in Sohag, Rattus rattus frugivorus (Rafinesque) is the main species (283 and 378 in the first and second years, respectively), followed by Rattus rattus alexandrinus (Geoffray) (212 and 278 in the first and second year), this is followed by Arvicanthis niloticus (Desm.) (119 in the first and 202 in the second year), and then by Mus musculus (Linnaeus). The fewest species (109 in the first year, 117 in the second). On citrus farms, the index is highest in autumn and lowest in winter. Women tend to outnumber men. In two years of study, maturity passes the immaturity stage. The highest density of immature stages was seen in the spring, which may be related to the highest rates of rodent pregnancy that season.
This study was aimed to determine the damage caused by rodents in three different distracts (Shandaweel, Tahta and Gerga) at Sohag governorate, Egypt during November 2018 until February 2019. Many hundred feddans was cultivated with orange and mandarin orchards in these distracts. Rodent damage assayed in orange and mandarin trees in different distracts at Sohag governorate, (The Shandaweel Research Station, Tahta, and Gerga). where it spreads the white-bellied rat, Rattus rattus frugivorous (Linnaeus), the greybellied rat, Rattus rattus alexandrinus (Linnaeus), the Nile grass rat, Arvicanthis niloticus (Desmarest), and house mouse, Mus musculus are commonly found in and around the citrus farms (orange and mandarin) at Sohag governorate. Results showed the damage percentages were in (orange and mandarin) (25.5 and 19.7%), for (19.5 and 12.00%) and 15.70 and 9.3 %) in Shandaweel Research Station, Tahta and Gerga farms. Where the average rate of infestation in the fruits of orange and mandarin trees in the three different distracts (Shandaweel Research Station, Tahta and Gerga farms) reached a rate of (20.2%) and (13.6 %) respectively. Also showed the damage in of fruit and branches on orange and mandarin trees caused by rodents in the same places mentioned above that the damage percentage on orange and mandarin were high in the Shandaweel Research Station, the percentage was (29.05 and 21.07%) for orange and mandarin fruits. While the percentage of damage in orange and mandarin branches reached (21.16 and 39.44%). respectively. Followed by the infestation rate is the Tahta distracts where the percentage was lower. The percentages were (21.89 and 14.80 %) for orange and mandarin fruits. While the percentages of damage in orange and mandarin branches reached (14.97 and 30.26%), respectively. As for Gerga distracts, it was the least in terms of the rate of infestation, where the percentage was lower. The percentages were (16.98 and 10.52 %) for orange and mandarin fruits, respectively. While the percentages of damage in orange and mandarin branches reached (11.50 and 22.29%), respectively during the period of the study at Sohag governorate. This study was aimed to determine the damage caused by rodents in three different distracts (Shandaweel, Tahta and Gerga) at Sohag governorate, Egypt during November 2018 until February 2019.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.