Heterodera schachtii (Nematoda: Heteroderidae) Associated with Cabbage-Cultivation Systems in Anatolia Region of Türkiye

Author:

Akyol Gülsüm Badel1,Yüksel Ebubekir2ORCID,Elçi Eminur1,Bozbuğa Refik3ORCID,Dababat Abdelfattah4ORCID,İmren Mustafa5,Toktay Halil1ORCID

Affiliation:

1. Department of Plant Production and Technologies, Faculty of Agricultural Sciences and Technologies, Niğde Ömer Halisdemir University, 51240 Niğde, Türkiye

2. Department of Plant Protection, Faculty of Agriculture, Erciyes University, 38030 Kayseri, Türkiye

3. Department of Plant Protection, Faculty of Agriculture, Eskisehir Osmangazi University, 26160 Eskisehir, Türkiye

4. International Maize and Wheat Improvement Centre (CIMMYT), P.O. Box 39, Emek, 06170 Ankara, Türkiye

5. Department of Plant Protection, Faculty of Agriculture, Bolu Abant Izzet Baysal University, 14030 Bolu, Türkiye

Abstract

Heterodera schachtii (Schmidt, 1871) (Nematoda: Heteroderidae) is one of the most widespread plant-parasitic nematodes (PPNs) associated with cabbages, which cause severe yield losses in cruciferous vegetables. This study aimed to improve the current understanding of the prevalence and detection of H. schachtii in the cabbage-growing areas of Niğde Province, Türkiye. Field surveys were conducted between November and December 2021, and 100 soil samples were collected immediately after cabbage harvesting. Heterodera schachtii populations were identified by morphological and morphometric methods along with Internal Transcribed Spacer of the ribosomal region (ITS-rDNA) and Cytochrome Oxidase Subunit (COI-mtDNA) sequencing. The mean body length of H. schachtii was 463 ± 7 μm, while stylet and hyaline length ranged between 20.7–27.8 μm and 20.1–32.1 μm, respectively. Nearly half of the surveyed areas were infested with H. schachtii with a 41% incidence rate. However, the Merkez District had the highest proportion of infested fields with an over 51% incidence rate. The population density was determined in 41 samples with a mean of 79.5 cysts per 250 g of soil. These results will help to determine the control and management strategies of H. schachtii.

Publisher

MDPI AG

Reference42 articles.

1. (2023, May 21). Food and Agriculture Organization of the United Nations, FAOSTAT. Available online: https://www.fao.org/faostat/en/#data.

2. (2023, April 24). Turkish Statistical Institute, TUIK, Available online: https://biruni.tuik.gov.tr/medas/?kn=92&locale=tr.

3. Sikora, R.A., Desaeger, J., and Molendijk, L. (2021). Root and Tuber Crops. Integrated Nematode Management: State of the Art and Visions for the Future, CABI Publishing.

4. Perry, R.N., Moens, M., and Jones, J.T. (2018). Cyst Nematodes-Life Cycle and Economic Importance. Cyst Nematodes, CAB International.

5. Nickle, W.R. (1991). Heteroderinae, Cyst-and Non. Manual of agricultural nematology. Manual of Agricultural Nematology, CRC Press.

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