Field Population Sex Ratio of the Date Palm Mite, Oligonychus afrasiaticus (McGregor)

Alatawi, Fahad Jaber; Mirza, J. H.; Alsahwan, K.A.; Kamran, Muhammad

doi:10.4001/003.027.0336

Cited by 4 publications

(2 citation statements)

References 29 publications

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“…The effect of temperature on DPM abundance was masked due to the availability of most favored “Kimri” DF. These findings are in consistent with previous studies (Guessoum, Guessoum et al, 2016 , Ben Chaaban et al, 2017 , Alatawi et al, 2019 ) and showed the impact of DF stages on DPM dynamics compared to temperature during the fruiting season. As mentioned earlier, the “Kimri” DF stage is nutritionally superior to DPM for development and reproduction.…”

Section: Discussionsupporting

confidence: 93%

“…Previously, the population dynamics, abundance, and spatio-temporal distribution of the DPM have been studied under the effects of date palm cultivar, physio-chemical properties of fruits, cultural practices, chemical applications, and sand storms ( Palevsky et al, 2003 , Palevsky et al, 2005 , Ben Chaaban et al, 2011a , Ben Chaaban et al, 2011b , Latifian et al, 2011 , Latifian, 2014 , Guessoum et al, 2016 ). In the Kingdom of Saudi Arabia, the DPM has been studied for the effect of date palm cultivar on its natural infestation, field sex ratio during the fruiting season and occurrence, alternate host plants, and field mortality factors during the off-season ( Aldosari and Ali, 2007 , Alatawi et al, 2019 , Alatawi, 2020 ). Also, monitoring and sampling methods, possible causes of its outbreak, and comparison of different management practices have been reviewed ( El-Shafie, 2019 , El-Shafie et al, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

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Phenology and abundance of date palm mite Oligonychus afrasiaticus (McGregor) (Acari: Tetranychidae) in Riyadh, Saudi Arabia

Mirza

Kamran

Alatawi

2021

Saudi Journal of Biological Sciences

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In the present study, we evaluated the effect of management practices, fruit season, host habitats (young and old fronds, date fruits and grasses), and temperature on the phenology and abundance of the date palm mite (DPM). The study was conducted in two date palm orchards (two plots each): a managed and an unmanaged plot. The phenology of DPM was assessed based on adult cumulative mite days (ACMDs), while mean mite density was used to assess the mite abundance on different host habitats. The ACMDs and mean mite density were significantly different between managed and unmanaged plots on different host habitats in both fruiting and off-seasons. The date fruits had highest ACMDs during fruiting season. While young fronds had significantly higher ACMDs than on old fronds an grasses during both seasons in both plots.. The temperature and season type significantly affected the mean density of DPM eggs and adults. There was a significant effect of host habitats mean density of DPM eggs and immatures. Based on the adult phenology and abundance of DPM, the mite overwinters in young fronds and aerial offshoots of infested date palm trees. These overwintering DPM caused the seasonal date fruit infestation, each year. Additionally, different phytophagous and predatory mites, which co-occur with DPM, and were found on different host habitats affected the phenology and abundance of DPM. Moreover, the change in DPM body color was related to the host habitat that they fed in. Exceptionally, the brown color of females collected during the winter season could be due to physiological changes due to low temperature. In DPM males collected from different host habitats throughout the study, some morphological variations in the width of the knob, height of the hook, and the angle between the knob axis and dorsal margin of the shaft were also recorded. The results of this study suggest that young fronds and grasses are the suitable sites for DPM survival and overwintering. Hence, the management practices, early in the fruit season and/or during off fruit winter months, should be directed towards these habitats. These could provide efficient reduction in seasonal infestation of DPM.

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Section: Discussionsupporting

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Phenology and abundance of date palm mite Oligonychus afrasiaticus (McGregor) (Acari: Tetranychidae) in Riyadh, Saudi Arabia

Mirza

Kamran

Alatawi

2021

Saudi Journal of Biological Sciences

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Does the sampling of date palm fruits help in early detection of date palm mite, Oligonychus afrasiaticus (Acari: Tetranychidae)?

Alatawi,

Mirza,

Al-Sahwan

et al. 2023

Exp Appl Acarol

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The Old World date palm mite Oligonychus afrasiaticus (McGregor 1939) (Acari: Tetranychidae), a major fruit pest: biology, ecology, and management

El-Shafie

2022

CABI Reviews

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The date dust mite (DDM), Oligonychus afrasiaticus (McGregor 1939) (Acari: Tetranychidae) is an extremely serious fruit pest of date palm, Phoenix dactylifera L. In recent years, the mite caused economic damage and reduction of yield in may date palm-growing countries in North Africa and the Middle East. Damage loss may range between 50% and 70% and in severe infestation; it may reach 100% if not controlled. This mite has a high reproductive capacity and produces a tremendous amount of dense silken webs that reduce the efficiency of predators and hinder penetration of acaricides. Selection pressure due to frequent use of limited active ingredients encouraged the development of resistance among populations of the mite. Predatory mites from the family Phytoseiidae such as Cydnoseius negevi and the coccinellid ladybird beetle Stethorus spp. are associated with O. afrasiaticus in the field and may provide a potential source of biological control. The DDM is not easy to control; however, cultural, biological, and chemical measures are successfully used to limit the extent of damage in date palm plantations. This article summarizes and compiles recent advances pertaining to the mite taxonomy, biology, ecology, phenology and management. Additionally, future research prospects are also discussed.

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Field Population Sex Ratio of the Date Palm Mite, Oligonychus afrasiaticus (McGregor)

Cited by 4 publications

References 29 publications

Phenology and abundance of date palm mite Oligonychus afrasiaticus (McGregor) (Acari: Tetranychidae) in Riyadh, Saudi Arabia

Phenology and abundance of date palm mite Oligonychus afrasiaticus (McGregor) (Acari: Tetranychidae) in Riyadh, Saudi Arabia

Does the sampling of date palm fruits help in early detection of date palm mite, Oligonychus afrasiaticus (Acari: Tetranychidae)?

The Old World date palm mite Oligonychus afrasiaticus (McGregor 1939) (Acari: Tetranychidae), a major fruit pest: biology, ecology, and management

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