Full TGIF Record # 121116
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Publication Type:
Content Type:Q & A
Corporate Author(s):USGA Green Section
Title:Control of pearlwort in putting greens
Section:Questions and answers
Other records with the "Questions and answers" Section
Source:Turf Culture [I]. Vol. 1, No. 1, Spring 1938, p. 8-9.
# of Pages:2
Publishing Information:Washington, D.C: USGA Green Section
Question:We are seeking information on the extermination of pearlwort in our putting greens. We should like to know what chemicals to use to kill this weed and the best method of applying them.
Source of Question:Oregon
Keywords:TIC Keywords: Fertilizer recommendations; Sagina; Weed control
Answer/Response:Pearlwort is common on courses with poorly drained greens. However, it is sometimes found growing under a wide variety of conditions and may occasionally prove troublesome where the best of drainage is provided. If pearlwort is found in a few scattered patches, it can be removed by replacing these areas with clean sod. Where it is growing rather generally over the greens, it would be impractical to plug it out. It would be well under the latter condition to attempt to burn it out with sulphate of ammonia. Pearlwort is more easily injured with this nitrogen fertilizer than turf grasses are, so that by applying enough of the sulphate of ammonia to give a slight burn to the grass the pearlwort will be badly injured. Such treatments repeated from time to time entirely kill out the pearlwort and will not permanently injure the greens, since the grass will quickly recover after each treatment. It is well to watch the progress of the burning closely so that water can be applied in case the turf shows signs more than mild injury.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
USGA Green Section. 1938. Control of pearlwort in putting greens. Turf Culture [I]. 1(1):p. 8-9.
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    Last checked: 01/24/2017
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MSU catalog number: SB 433.15 .C66
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