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| Web URL(s): | https://listings.lib.msu.edu/stwtc/1978.pdf#page=121
Last checked: 07/10/2017
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Proceedings |
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| Author(s): | Beard, J. B.;
Batten, S. M.;
Eckhardt, J. H.;
Schwepler, D.;
Chaffin, D. E. |
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| Author Affiliation: | Beard: Professor; Batten: Research Associate; Eckhardt, Schwepler, Chaffin: Technicians, Department of Soil & Crop Sciences, Texas A&M University, College Station, Texas |
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| Title: | 1977-78 Winter overseeding evaluations at Texas A&M University |
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| Meeting Info.: | College Station, TX: December 11-13, 1978 |
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| Source: | Proceedings of the Thirty-Third Annual Texas Turfgrass Conference. 1978, p. 117-129. |
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| Publishing Information: | College Station, TX: Texas A & M University and the Texas Turfgrass Association |
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| # of Pages: | 13 |
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| Keywords: | TIC Keywords: Cultural methods; Lolium perenne; Transitional overseeding; Evaluations; Festuca rubra subsp. commutata; Festuca rubra var. genuina; Poa trivialis; Overseeding; Wear resistance; Fine fescues; Agrostis stolonifera; Ball roll measurement
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| Abstract/Contents: | Discusses three studies presented at the Texas Turfgrass proceedings. (I. Seasonal Performance Studies) This study was conducted on a one year old bermudagrass turf. Cultural practices on the overseeded experimental area consisted of mowing three times per week at 0.25 in. with clippings removed; fertilizing biweekly intervals at rates of 1 and 2 pounds of actual N/1000 sq ft. Irrigation was applied as needed to prevent wilt. No fungicides or insecticides were utilized. The experiment was visually evaluated for shoot density and quality, wear tolerance, roll characteristics and Pythium blight susceptibility. All 16 cultivars of perennial ryegrass performed well. The winter was extremely cold and wet. This favored the perennial ryegrasses in comparison to the fine leaved fescues and creeping bentgrasses. Most species and cultivars ceased growth and entered a semi-dormant state, including some browning of shoots. The outstanding exception among the monostands was Loretta perennial ryegrass. Ten fine leafed fescues, three creeping bentgrass and two rough bluegrass ranked significantly lower than a majority of the perennial ryegrass cultivars. However, Sabre was less favorable than the perennial ryegrasses in wear tolerance, ball roll characteristics and ball marking. Jamestown, Kensington and Dawson were the top fine fescues. There was a substantial amount of Poa annua invasion into the fine leaved fescues plots during March and April. This has not been observed under the warmer conditions of pervious years. Penncross ranked highest among the creeping bentgrasses followed by Emerald and then Seaside. The combination of 80% Dixiegreen and 20% Sabre ranked with both the perennial ryegrass in terms of color and growth rate. (II. Wear Tolerance Studies) The wear simulator was utilized during the winter of 1978 to evaluate the comparative wear tolerance of 4x7 turfgrass cultivars in monostands and species polystands. Visual estimates of percent verdure remaining were made immediately after wear application, three days after wear treatment and two weeks later. As a group, the improved turf-type perennial ryegrass cultivars have superior wear tolerance compared to the fine leafed fescue, rough bluegrass, and creeping bentgrass cultivars. Caravelle perennial ryegrass has ranked at or near the top in overall wear tolerance. Of the fine fescue, Kensington ranked at or near the top in wear tolerance. The winters of 1977 and 1978 were usually cold which causes the fine fescues to be inferior compared to the perennial ryegrasses. Between the two rough bluegrasses Sabre consistently ranked superior to Denmark (common). Among mixtures and blends a large number of performed well with no significant differences of the creeping bentgrasses, Penncross ranked higher than Seaside and Emerald in wear tolerance. (III. Surface Roll Characteristics Studies) This experiment utilized on inclined plant with ball release at the upper end which produced a known initial momentum of ball roll for use in evaluation of surface quality characteristics. The test procedure consisted of measuring the distance of ball roll in two opposite directions over the same surface area. Citation, Regal, Derby, and Caravelle perennial ryegrasses, in that order, were the top ranking in terms of distance of ball roll. Among monostands, the perennial ryegrasses as a group ranked superior to the fine fescues creeping bentgrass, and rough bluegrasses. The winter of 1978 was unusually cold which would restrict the fine fescues. Among the fine fescues, Highlight ranked highest, and comparable to the perennial ryegrass. Pennlawn, Jamestown, and Dawson ranked very low in distance of ball roll. There was some annual bluegrass invasion in the fine fescues which could impair the ball roll distance. Emerald ranked highest among the creeping bentgrasses, Penncross intermediate, and seaside quite low in distance of ball roll. Of the polystands evaluated, most ranked in the intermediate grouping. The polystands as a group ranked inferior to monostands of perennial ryegrass cultivars. Explanation for these results is unclear at this time. |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Beard, J. B., S. M. Batten, J. H. Eckhardt, D. Schwepler, and D. E. Chaffin. 1978. 1977-78 Winter overseeding evaluations at Texas A&M University. p. 117-129. In Proceedings of the Thirty-Third Annual Texas Turfgrass Conference. College Station, TX: December 11-13, 1978. College Station, TX: Texas A & M University and the Texas Turfgrass Association. |
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https://listings.lib.msu.edu/stwtc/1978.pdf#page=121
Last checked: 07/10/2017
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Notes: Item is within a single large file |
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MSU catalog number: SB 433 .T4 |
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