Distribution and infestation intensity of the cyst nematode Heterodera schachtii in sugar beet fields of West Azerbaijan province

Document Type : Scientific - Research

Authors

1 Department of Plant Protection, School of Agriculture, Afagh Higher Education Institute, Urmia, Iran

2 Ceo of researches company and mechanizied technical services of urmia sugar beet

3 Head of nematode Laboratory in researches company and mechanizied technical services of urmia sugar beet and Assistant professor of plant pathology, Faculty of agriculture, Afaq higher education institute

4 Associate Professor of soil science, Faculty of agriculture, Urmia university

Abstract

To determine the distribution areas and population density of sugar beet cyst nematode Heterodera schachtii in West Azerbaijan province, 577 soil samples collected from sugar beet fields of Urmia, Sero, Nushinshahr, Khoy, Chaypareh, Qare Ziya addin, Piranshahr, Lajan and Salmas cities in 2023 and number of eggs and larvae of each soil samples were counted. Results showed that the highest (70%) and lowest (12%) infestation was related to samples collected from Khoy and Piranshahr, respectively. The population of H. schachtii specieis was higher in Khoy, Salmas and Lajan compared with other regions. In addition, in 5.9% of the fields, the infestation was the more than 500 eggs and larvae which demands necessary, erasures to be taken to reduce the disease damage.

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Main Subjects


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