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The red palm weevil (RPW), Rhynchophorus ferrugineus, (Olive.) (Coleoptera: Curculionidae) is considered destructive insect pest of the date palm trees plantations of different Governorates in Egypt. The field experiments were carried out in Abo-Hammad district, Sharkia Governorate, Egypt, during successive years 2018-2019. Results indicated that the infestations of RPW were existed in two farms. The percentage of infestation reached to 6.73% in the first season, 2018 while reached to 4.76% in the second season, 2019. The percentage of infestation of severity both seasons cleared that most the infestations were highly severity. The highest infestation was found in Zaghloul variety followed by hayani, while the weakest infestation was in the varieties Aglan, Amry, Bent-Esha and Samani during the two seasons and the infestation of RPW in different ages of palms was the highest in young palms, that RPW preferred trees in age ranged between (6-10 years), while the lowest in age ranged between (10-15years). The infestation reached its maximum in the infested palms in the height ranged between 0.0-2.0 m., while it was minimum with infestation height from 2.1 to above 3.5 from the ground during the two seasons. The highest infestation of RPW were found in suckers , followed by of infestation in off-shoots, while it was decreased in the base of pruning leaves during the two seasons. Palm tree pruning without dusting with agricultural sulfur showed the highest infestation rate while, pruning of date palm and dusting with agricultural sulfur resulted in lower infestation rate during the two seasons. |
