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Title:Management and Interference Potential of Common Waterhemp (Amaranthus Rudis) in Soybean (Glycine Max)
Author(s):Hager, Aaron Gregory
Doctoral Committee Chair(s):Wax, Loyd M.
Department / Program:Agronomy
Discipline:Agronomy
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:Ph.D.
Genre:Dissertation
Subject(s):Agriculture, Agronomy
Abstract:Field experiments were conducted during 1996, 1997, and 1998 to determine the common waterhemp interference period soybean could tolerate without reducing seed yield. Removal of common waterhemp interference 2 weeks after soybean unifoliolate expansion resulted in soybean seed yield equivalent to a season-long weed free control, but delaying common waterhemp removal longer than 2 weeks resulted in decreased soybean seed yield. Full season common waterhemp interference reduced soybean seed yield 31%. These results suggest soybean producers should implement common waterhemp management strategies prior to 4 weeks after soybean unifoliolate leaf expansion to reduce potential loss of soybean seed yield.
Issue Date:2001
Type:Text
Language:English
Description:65 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2001.
URI:http://hdl.handle.net/2142/87662
Other Identifier(s):(MiAaPQ)AAI3017088
Date Available in IDEALS:2015-09-28
Date Deposited:2001


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