Full TGIF Record # 18733
Item 1 of 1
Publication Type:
i
Newsletter
Author(s):Anonymous
Title:Hancock Highlights: Xanthomnas Biocontrol of annual Bluegrass--An update
Source:Newsnotes (Michigan Turfgrass Foundation). Fall 1990, p. 9-10.
Publishing Information:Saginaw, MI: Michigan Turfgrass Foundation
Keywords:TIC Keywords: Agrostis; Poa annua; Biological weed control; Xanthomonas campestris; Poa annua control
Abstract/Contents:A Xanthomonas Campestris pathovar has been proposed as a possible biocontrol agent for annual bluegrass in high maintenance turf sites. Over the past several years numerous experiments have shown that the bacterium can selectively eliminate the annual bluegrass from mixed stands containing Kentucky bluegrass and/or creeping bentgrasses. In these mixed stands, the desirable grasses have never shown any effect from the bacterium. During the 1990 field session, field plots were established to ascertain such important factors as timing of application and frequency of application. Although the experiments will not be completed until late September or early October, interesting trends have already developed. High concentrations and frequent applications of the bacterium, resulted in death of annual bluegrass within a 2 to 4 week period. Infrequent and low concentrations of the bacterium resulted in a much slower transition. The slow transition may well be the optimum consideration for high quality golf course turf."
Language:English
References:0
See Also:Other items relating to: POA
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Anonymous. 1990. Hancock Highlights: Xanthomnas Biocontrol of annual Bluegrass--An update. Newsnotes (Michigan Turfgrass Foundation). p. 9-10.
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MSU catalog number: SB 433 .A1 N45
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