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The Role of Soil−Borne Fungi in Pota...

Rahman, Atta Ur.

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The Role of Soil−Borne Fungi in Potato Early Dying Disease: A Study of Verticillium dahliae, V. albo-atrum, and Colletotrichum coccodes in Alberta.

Record Type:	Electronic resources : Monograph/item
Title/Author:	The Role of Soil−Borne Fungi in Potato Early Dying Disease: A Study of Verticillium dahliae, V. albo-atrum, and Colletotrichum coccodes in Alberta./
Author:	Rahman, Atta Ur.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
Description:	190 p.
Notes:	Source: Masters Abstracts International, Volume: 85-01.
Contained By:	Masters Abstracts International85-01.
Subject:	Plant pathology. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30530970
ISBN:	9798379796280

The Role of Soil−Borne Fungi in Potato Early Dying Disease: A Study of Verticillium dahliae, V. albo-atrum, and Colletotrichum coccodes in Alberta.
Rahman, Atta Ur.

The Role of Soil−Borne Fungi in Potato Early Dying Disease: A Study of Verticillium dahliae, V. albo-atrum, and Colletotrichum coccodes in Alberta. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 190 p.

Source: Masters Abstracts International, Volume: 85-01.

Thesis (M.Sc.)--University of Lethbridge (Canada), 2023.

This item must not be sold to any third party vendors.

This study investigates potato early dying (PED) disease in southern Alberta caused by soil-borne fungi. The species identity, incidence and abundance of Verticillium dahliae and V. albo-atrum, two fungi associated with PED, were examined through qPCR of soil samples collected from 62 fields in 2020 and 2021. Verticillium dahliae was found in 71% and 45% of the fields, respectively, while V. albo-atrum was detected in only one field in 2020. In the summer of 2021 and 2022, selected fields were surveyed to assess PED severity and the presence of V. dahliae in plant tissues. Potato fields with high V. dahliae inoculum levels in the soil showed more PED symptoms and lower yields; however, some low inoculum fields displayed PED symptoms, suggesting other factors might contribute to the PED complex. Interestingly, Colletotrichum coccodes was detected along with V. dahliae in 59% of plant samples collected in 2021 and 41% in 2022.

ISBN: 9798379796280Subjects--Topical Terms:

3174872
Plant pathology.
Subjects--Index Terms:

Disease complex

The Role of Soil−Borne Fungi in Potato Early Dying Disease: A Study of Verticillium dahliae, V. albo-atrum, and Colletotrichum coccodes in Alberta.
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520 $a This study investigates potato early dying (PED) disease in southern Alberta caused by soil-borne fungi. The species identity, incidence and abundance of Verticillium dahliae and V. albo-atrum, two fungi associated with PED, were examined through qPCR of soil samples collected from 62 fields in 2020 and 2021. Verticillium dahliae was found in 71% and 45% of the fields, respectively, while V. albo-atrum was detected in only one field in 2020. In the summer of 2021 and 2022, selected fields were surveyed to assess PED severity and the presence of V. dahliae in plant tissues. Potato fields with high V. dahliae inoculum levels in the soil showed more PED symptoms and lower yields; however, some low inoculum fields displayed PED symptoms, suggesting other factors might contribute to the PED complex. Interestingly, Colletotrichum coccodes was detected along with V. dahliae in 59% of plant samples collected in 2021 and 41% in 2022.
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