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Races of Phytophthora megasperma f.sp. glycinea (Phytophthora Rot) Affecting Soybeans in North Alabama
Author(s) -
Collins D. J.,
Pacumbaba R. P.,
Tsapra V.
Publication year - 1985
Publication title -
journal of phytopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 60
eISSN - 1439-0434
pISSN - 0931-1785
DOI - 10.1111/j.1439-0434.1985.tb00823.x
Subject(s) - phytophthora megasperma , sclerotium , biology , root rot , phytophthora , fusarium solani , cultivar , fusarium , botany , stem rot , horticulture , phycomycetes , agronomy , inoculation
Phytophthora megasperma Drechs. f. sp. glycinea Kuan and Erwin (Pmg) was isolated for the first time from the northern counties of Alabama (MORGAN and MADISON). TWO predominant Pmg races, R 2 and R 11 , were identified by the reactions of standard soybean differential cultivars. Other soil‐borne pathogens isolated from the soil and suspected Pmg‐affected root samples in Morgan, Adadison, and Limestone counties were Pytbium spp., Fusarium ssp., Sclerotium rolfsii , and Rbizoctonia solani . Further study is in progress to obtain a proper assessment of Pmg races in Alabama.