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| Publication Type:
| Newsletter |
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| Author(s): | Green, Robert L. |
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| Title: | Rapid turfgrass spread following sprigging: Use of herbicides during vegetative establishment of bermudagrass |
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| Source: | TURFNews [Kansas]. Vol. 8, No. 4, July/August 1985, p. 20-26. |
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| Publishing Information: | Manhattan, KS: The Kansas Turfgrass Foundation and Kansas State University |
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| Keywords: | TIC Keywords: Chemical weed control; Turfgrass establishment; Sprigging; Cynodon; Herbicides; Postemergence herbicides; Vegetative propagation; Weed competition; Preemergence herbicides; Pros and cons
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| Abstract/Contents: | Bermudagrass established from sprigs can compete successfully with weeds during a two-year establishment period without herbicides but the speed of turfgrass cover is improved during the first year with herbicide applications. A significant stunting effect for Princep 4G or Ronstar G applied at the recommended rate during establishment of U-3 bermudagrass from sprigs was not observed. However, Princep is known to be more active in sandy soils and soils with an alkaline pH. The stunting effect of Balan XL applied at the recommended rate and of Princep 4G an the 2X rate were overcome 11.6 weeks following sprigging. Ronstar has also been found to be safe during sodding with excellent shoot and root growth. Preemergence herbicides can adversely effect the rooting of bermudagrass. Postmergence herbicides can also be effectively used during bermudagrass establishment from sprigs. A minimum of two to up to five MSMA + 2,4-D treatments (2.0 and 0.26 lb active ingredient per acre, respectively) is necessary to reduce weed competition enough to obtain satisfactory turfgrass growth. These treatments should not be delayed until weeds are competing with the turfgrass. It has been found that up to 9 applications of MSMA + 2,4-D (2.0 and 0.25 lb active ingredient per acre, respectively) were not phytotoxic to bermudagrass established by sprigging. Data indicates that crabgrass is probably beginning to compete five weeks after sprigging, at crabgrass rates of 1000 PLS/ft squared. This is the time when postemergence herbicide treatments are needed. Applications of MSMA can also be made earlier because one can safely treat areas sprigged with common bermudagrass on the day of planting with a MSMA + metribuzin combination at a rate of 2.0 and 0.09 lb active ingredient per acre, respectively. |
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| Language: | English |
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| References: | 10 |
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| Note: | Pictures, b/w
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Green, R. L. 1985. Rapid turfgrass spread following sprigging: Use of herbicides during vegetative establishment of bermudagrass. TURFNews [Kansas]. 8(4):p. 20-26. |
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