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| Web URL(s): | https://listings.lib.msu.edu/iowat/1991.pdf#page=124
Last checked: 01/10/2017
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Struyk, K. L.;
Christians, N. E. |
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| Author Affiliation: | Professor, Turfgrass Science, Research and Teaching, Horticulture Department, University of Iowa |
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| Title: | Selective control of quackgrass with primisulfuron |
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| Source: | 1991 Iowa Turfgrass Research Report. July 1991, p. 119-123. |
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| Publishing Information: | Ames, Iowa: Iowa State University |
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| Keywords: | TIC Keywords: Elymus repens; Herbicides; Weed control
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| Abstract/Contents: | "Primsulfuron is an herbicide used to control quackgrass in corn. The objective of these studies was to determine if primisulfuron, which will be known as 'ACE' in the turf market, can be used as a selective control of quackgrass in Kentucky bluegrass and perennial ryegrass. The effectiveness of two surfactants was also evaluated. The first study was a field investigation consisting of five treatments and a control. The treatments were 20g ai/ha, 40g ai/ha, 60g ai/ha, 20g ai/ha + 20g ai/ha at one-week interval, and 20g ai/ha + 20g ai/ha at a two week interval. All treatments used X-77 (0.25% v/v) as the surfactant. These were applied to a turf area with a high population of quackgrass. This trial was initiated on August 18, 1990, and an identical separate trial begun on October 6. Three greenhouse studies were conducted during the winter. Greenhouse Study 1 (GH 1) involved individual pots of 'Ram I' Kentucky bluegrass and quackgrass. The pots were treated with 20, 40, 60, and 80g ai/ha. This trial also compared two surfactants, X-77 and Sunit (an experimental surfactant from CIBA-GEIGY that later on had its name changed to 'Scoil'). Data was collected after 12 weeks (Figs 14 and 15). Greenhouse Study 2 involved the same surfactants and treatments as GH 1, but included perennial ryegrass. The results of Greenhouse Study 2 are shown in Figs. 16 and 17. Greenhouse Study 3 involved individual pots of 'Ram I' and quackgrass treated with 20, 40, 60, 80, 100, 120, 140, and 160g ai/ha. All treatments used Scoil (formerly called Sunit) at 0.25% v/v. This trial was conducted to determine the single application tolerance of Kentucky bluegrass. Data was not available at the time this report was prepared. The data obtained from the completed trials showed that primisulfuron will kill quackgrass and will not detrimentally effect Kentucky bluegrass or perennial ryegrass. (It should be noted that some initial stunting was observed on perennial ryegrass and some reduction of growth was observed at the highest rates of treatment.) Surfactants are important to the effectiveness of this compound, but no significant differences were observed between X-77 and Scoil (Sunit). More work is planned on this subject during the summer and fall of 1991. There are still many questions to be answered on the effects of primisulfuron on other grass species as well as on different cultivars of the grasses already studied. Evaluation of the effects of primisulfuron on non-target species such as trees and shrubs must also be made before it can be labeled for the turf market." |
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| Language: | English |
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| References: | 0 |
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| Note: | Article appears as abstract
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Struyk, K. L., and N. E. Christians. 1991. Selective control of quackgrass with primisulfuron. Iowa Turfgrass Res. Rep. p. 119-123. |
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| Web URL(s):
https://listings.lib.msu.edu/iowat/1991.pdf#page=124
Last checked: 01/10/2017
Requires: PDF Reader |
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MSU catalog number: SB 433 .A1 I55 |
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