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التشتية، والعوائل البديلة لحلم الغبار Oligonychus afrasiaticus (McGregor) على نخيل التمر في العراق
Other Title(s)
Overwintering and alternative hosts of dust mites oligonychus afrasiaticus (mcgregor) on date palm in Iraq
Joint Authors
الدهوي، سنداب جاسم سامي
حاتم متعب حسين
Source
Issue
Vol. 39, Issue 3 (30 Sep. 2021), pp.173-180, 8 p.
Publisher
Arab Society for Plant Protection
Publication Date
2021-09-30
Country of Publication
Lebanon
No. of Pages
8
Main Subjects
Natural & Life Sciences (Multidisciplinary)
Abstract EN
The dust mite Oligonychus afrasiaticus (McGregor) on date palm trees is one of the main pests affecting palm trees in Iraq.
Its severity has increased its damage to the crop in recent years.
A study of some environmental aspects of the pest such as alternative hosts, spread and distribution of the pest after harvesting and overwintering are important factors to identify pest's vulnerable periods, which can be utilized in the control process.
The results revealed that the pest had activity during the spring on alternative hosts Sorghum bicolor, S.
halepense, and Cynodon dactynlon.
Surveying vegetables that are inter-planted with palm groves, the pest was found present in the field on the Fragaria ananassa, Cucurbita pepo, Solanum melongena, and Citrullus lanatus.
At the "rutab" and "tamar" stages, higher numbers of O.
afrasiaticus began to leave the dates fruit bunches to pinnae of frond trees and offshoot to feed and reproduce until the onset of winter and remain there as fertile females to resume their activities during the following spring.
The highest density of mobile instars and eggs reached 0.9 individual/pinna and 1.4 egg/pinna, respectively, in October, and then the numbers began to decline to reach 0.3 individual/pinna during the winter period, when no eggs were observed.
Furthermore, some plant species provided food and shelter for the pest during the winter period such as C.
dactylon, S.
halepense, Imperata cylindrica and Phragmites australis.
Results obtained also showed that date palm seedlings grown randomly in the orchard under study acted as a refuge for the dust mite, as it fed and multiplied continuously on them for several generations and throughout the year.
American Psychological Association (APA)
حاتم متعب حسين والدهوي، سنداب جاسم سامي. 2021. التشتية، والعوائل البديلة لحلم الغبار Oligonychus afrasiaticus (McGregor) على نخيل التمر في العراق. مجلة وقاية النبات العربية،مج. 39، ع. 3، ص ص. 173-180.
https://search.emarefa.net/detail/BIM-1413137
Modern Language Association (MLA)
حاتم متعب حسين والدهوي، سنداب جاسم سامي. التشتية، والعوائل البديلة لحلم الغبار Oligonychus afrasiaticus (McGregor) على نخيل التمر في العراق. مجلة وقاية النبات العربية مج. 39، ع. 3 (2021)، ص ص. 173-180.
https://search.emarefa.net/detail/BIM-1413137
American Medical Association (AMA)
حاتم متعب حسين والدهوي، سنداب جاسم سامي. التشتية، والعوائل البديلة لحلم الغبار Oligonychus afrasiaticus (McGregor) على نخيل التمر في العراق. مجلة وقاية النبات العربية. 2021. مج. 39، ع. 3، ص ص. 173-180.
https://search.emarefa.net/detail/BIM-1413137
Data Type
Journal Articles
Language
Arabic
Notes
يتضمن هوامش.
Record ID
BIM-1413137