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Indications of soil borne inoculum ofPhytophthora infestans

Indications of soil borne inoculum ofPhytophthora infestans In this paper we present observations made during three years in a potato field in Sweden that indicated the presence of soil borne inoculum ofPhytophthora infestans. In 1994, a fungicide trial against late blight was left in the field with various degrees of late blight infection. In 1995, cereals was grown in the field. In 1996, certified potato seed tubers were planted and blight appeared early in the season in a pattern corresponding to the heavily infected areas in 1994. No volunteer potato plants were found in 1995 or 1996. Both mating types A1 and A2 were isolated in 1996 and 1997 and oospores were found in leaves, stems as well as in stolons. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Potato Research Springer Journals

Indications of soil borne inoculum ofPhytophthora infestans

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References (13)

Publisher
Springer Journals
Copyright
Copyright © 1998 by Kluwer Academic Publishers
Subject
Life Sciences; Life Sciences, general; Agriculture; Plant Sciences; Plant Genetics & Genomics; Plant Systematics/Taxonomy/Biogeography
ISSN
0014-3065
eISSN
1871-4528
DOI
10.1007/BF02358962
Publisher site
See Article on Publisher Site

Abstract

In this paper we present observations made during three years in a potato field in Sweden that indicated the presence of soil borne inoculum ofPhytophthora infestans. In 1994, a fungicide trial against late blight was left in the field with various degrees of late blight infection. In 1995, cereals was grown in the field. In 1996, certified potato seed tubers were planted and blight appeared early in the season in a pattern corresponding to the heavily infected areas in 1994. No volunteer potato plants were found in 1995 or 1996. Both mating types A1 and A2 were isolated in 1996 and 1997 and oospores were found in leaves, stems as well as in stolons.

Journal

Potato ResearchSpringer Journals

Published: Mar 6, 2006

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