Full TGIF Record # 19875
Item 1 of 1
Publication Type:
Author(s):Powell, A. J. Jr.
Title:Nimblewill management studies
Source:Kentucky Turfgrass Research. 1981, p. 25-26.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Keywords:TIC Keywords: Muhlenbergia schreberi; Poa pratensis; Festuca arundinacea; Nitrogen fertilization; Preemergence herbicides; Mowing height; Cultivation; Fertilization rates; Cultural weed control; Competitive ability; Chemical weed control; Percent living ground cover
Abstract/Contents:Studied the influence of mowing heights, species competition, nitrogen fertilization, preemergent herbicides and spring cultivation on the long-term nimblewill population in a Kentucky bluegrass turf. A mature stand (at least 10 years old) of nimblewill, Kentucky bluegrass and tall fescue was utilized for these studies that were initiated in March, 1977. The plot area had previously been maintained as general turf, mowed 3-5 times per year at a 3-4" height. According to soil test results, P, K and pH were very high. All seed and fertilizers have been accomplished with a Kees Power Rake and mowing differentials with a Jacobsen rotary mower. Interseeding was accomplished only at the time of test initiation in 1977. 1979-81 annual percent nimblewill cover as influenced by mowing height, nitrogen rate, herbicides, cultivation, and interseeded grasses is presented in tables. Nimblewill was most competitive when maintained at high mowing heights. There was almost no effect of Nitrogen rate and cultivation. Preemergent herbicides had little influence and only Manhattan perennial ryegrass (and to some extent Kentucky 31 tall fescue) have shown enough competitiveness to reduce the nimblewill population significantly.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Powell, A. J. Jr. 1981. Nimblewill management studies. KY. Turfgrass Res. p. 25-26.
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