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Occurrence and seasonal variation of the root lesion nematode Pratylenchus neglectus on cereals in Bolu, Turkey

Author: Dababat, A.A.
Author: Senol Yildiz
Author: Duman, N.
Author: Ciftci, V.
Author: Imren, M.
Year: 2019
ISSN: 1300-011X
Abstract: The root lesion nematode Pratylenchus spp. is one of the most important plant-parasitic nematodes causing global cereal yield losses. Effective management of plant-parasitic nematodes depends on reliable management strategies and comprehensive datasets estimating the distribution, abundance, and population change of nematode species. This study reports the occurrence of Pratylenchus neglectus in wheat-growing districts during the 2014/15 and 2015/16 cropping seasons in Bolu, Turkey. Pratylenchus neglectus was identified by both morphological and molecular methods. The nematode was detected in 11.6% of samples collected from five districts. On average, P. neglectus numbered 1556 nematodes/kg soil, while 12% of samples had more than 2500 nematodes/kg soil. P. neglectus population dynamics were evaluated by sowing a susceptible winter wheat variety (Bezostaya) in a naturally infested field near the Çaydurt district of Bolu during the 2014/15 and 2015/16 cropping seasons. There was a positive correlation (P < 0.01) between nematode abundance in roots and surrounding soil temperature. The highest abundance of nematodes in roots occurred during May (average temperature: 22 °C), while the lowest abundance was during December–March (average temperature: 5 °C). The initial population was measured as an average of 60 nematodes/100 g soil. The reproduction rate of P. neglectus ranged from 0.7 to 4.8 individuals.
Format: PDF
Language: English
Publisher: The Scientific and Technology Research Council of Turkey
Copyright: CIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose.
Type: Article
Place of Publication: Turkey
Pages: 21-27
Volume: 43
DOI: 10.3906/tar-1805-52
Keywords: Pratylenchus spp
Keywords: SCAR-PCR Technique
Country of Focus: TURKEY
Agrovoc: CEREALS
Agrovoc: PCR
Journal: Turkish Journal of Agriculture and Forestry

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  • Wheat
    Wheat - breeding, phytopathology, physiology, quality, biotech

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