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| Web URL(s): | http://web.archive.org/web/20110124190710/http://www.ipm.msu.edu/cat07land/l06-22-07.htm#7
Last checked: 11/15/2012
Notes: Item is within a single large file |
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| Publication Type:
| Popular
Professional |
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| Author(s): | Frank, Kevin |
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| Author Affiliation: | Extension Specialist, Department of Crop and Soil Sciences, Michigan State University, East Lansing, Michigan |
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| Title: | Leaf spot and crabgrass |
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| Source: | Landscape Alert Newsletter. Vol. 22, No. [11], June 22 2007, p. 2-3. |
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| Publishing Information: | East Lansing, MI: Michigan State University |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Leaf spot; Disease identification; Disease control; Irrigation program; Digitaria; Crabgrass control; MSMA
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| Abstract/Contents: | Discusses the effects of "high temperatures, lack of rain in many places and high humidity" on turfgrasses in Michigan. States that "the early season sightings of diseases on lawns, such as red thread, have...been replaced by sightings of leaf spot." Describes potential symptoms of leaf spot, including "water-soaked spots on leaf blades that turn purple/brown/black...Turf that is infested with leaf spot will appear yellowish to reddish-brown, and a general thinning of the turf with no distinct pattern may occur if conditions are ideal." Also discusses techniques that may help treat leaf spot, suggesting that "the best management strategy to alleviate damage is to irrigate lightly and frequently, preferably around mid-day (noon) and apply a light fertilizer application (0.5 lb [pound] N [nitrogen]/1000 ft.2 [square feet] or less). Avoid irrigating at night because it results in the leaf blades remaining moist throughout the night and, therefore, more susceptible to disease and infection." Also suggests raising mowing height. Discusses possible methods of controlling crabgras, stating that "control with Dimension, active ingredient dithiopyr, which as early postemergence activity is probably past. Probably the most common postemergent crabgrass killer in the homeowner market contains the active ingredient MSMA." Cautions that "when using any pesticide to read and follow all label directions." |
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| Language: | English |
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| References: | 0 |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Frank, K. 2007. Leaf spot and crabgrass. Landscape Alert Newsletter. 22([11]):p. 2-3. |
| Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=137493 |
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| Web URL(s):
http://web.archive.org/web/20110124190710/http://www.ipm.msu.edu/cat07land/l06-22-07.htm#7
Last checked: 11/15/2012
Notes: Item is within a single large file |
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