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Title:Epidemiology of Horseradish Root Discoloration Caused by Verticillium Dahliae
Author(s):Khan, Adalat
Doctoral Committee Chair(s):Eastburn, Darin M.
Department / Program:Crop Sciences
Discipline:Crop Sciences
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Biology, Microbiology
Abstract:Studies conducted in soil naturally infested with Verticillium dahliae revealed that initial infections of horseradish roots occured shortly after planting and probably continued throughout the season. Verticillium dahliae was first isolated from feeder roots one month after planting. Discoloration symptoms were observed two months after planting and disease incidence and severity reached a maximum in August. Greenhouse studies indicated that V. dahliae was able to penetrate both injured and non-injured roots. Under field conditions V. dahliae was first isolated from the feeder roots, indicating that most infections probably occur through the feeder roots.
Issue Date:1997
Type:Text
Language:English
Description:116 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1997.
URI:http://hdl.handle.net/2142/85048
Other Identifier(s):(MiAaPQ)AAI9737158
Date Available in IDEALS:2015-09-25
Date Deposited:1997


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