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Publication Type:
| Report |
Author(s): | Brown, W. C. |
Author Affiliation: | Guelph University, Ontario, Canada |
Title: | Growth regulation in turf |
Source: | Abstracts of the Annual Meeting of the Weed Science Society. 1970, p. 63. |
Publishing Information: | Weed Science Society of America |
Keywords: | TIC Keywords: Growth regulators; Maleic hydrazide; Chlormequat chloride; Chlorflurecol-methyl; Poa pratensis
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Trade Names: | MH |
Abstract/Contents: | Synergism was found when either MH or chlormequat was added to chlorflurecol. Chlorflurecol at 1 lb/acre + MH at 2 lb/acre produced growth sup pression similar to that caused by higher rates of either chemical used alone. Roots of Merion bluegrass (Poa pratensis) plants grown in sand culture were more severely inhibited by both chlorflurecol and MH than were the tops. Chlormequat at rates up to 20 lb/acre stimulated root growth while inhibiting top growth. Chlormequat at 20 lb/acre + chlorflurecol at 1 lb/acre produced more injury to root growth and gave similar suppression of shoot growth to that given by chlorflurecol at 1 lb/acre + MH at 2 lb/acre. Duration of effectiveness was approximately 6 weeks; thereafter growth was stimulated by all treatments. Chlorflurecol treatments which brought about the greatest inhibition usually produced the most tillering. Chlormequat at 20 lb/acre + chlorflurecol at 2 lb/acre produced nearly twice as many tillers as the control treatments, but chlormequat alone had no significant effect on tillering. |
Language: | English |
References: | Unknown |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Brown, W. C. 1970. Growth regulation in turf. Abstr. Annu. Meet Weed Sci. Soc. Am. p. 63. |
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