Proceedings 1991

Content

THE SECOND INTERNATIONAL HERBAGE SEED CONFERENCE

OREGON STATE UNIVERSITY
CORVALLIS, OREGON

JUNE 9 - 14, 1991
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SUNDAY, JUNE 9 

15:00-21:00 Pick up Preregistration Packets, LaSells Stewart Center
18:00-21:00 Mixer, LaSells Stewart Center

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MONDAY, JUNE 10

 7:30-  8:30 All posters assembled by authors
 8:30-  9:00 Opening Welcome - S.M. GRIFFITH, Conference Chairman D.S. LOCH, President, IHSPRG

Dr. R.G. ARNOLD, Dean, OSU College of Agricultural
Dr. S.L. LADD, Head, Dept. of Crop and Soil Science
Dr. L.F. ELLIOTT, Research Leader, USDA?ARS, NFSPRC

ORAL PRESENTATIONS - Session 1: R. E. BARKER, Chair

Invited Papers:

 9:00-  9:40 J.G. HAMPTON Temperate Herbage Seed Production: An Overview
 9:40-  9:50 Discussion
 9:50- 10:30 D.S. LOCH Tropical Herbage Seed Production: Origins, Progress and Opportunities
10:30- 10:40 Discussion
10:40- 11:00 BREAK

Volunteered Pagers:

11:00- 11:15 G.A. WHITE. Herbage Seed Exchange Between the U.S. and Other Countries
11:15- 11:30 J.E. FERGUSON. Seed Supply Development of New Pasture Species in Colombia
11:30- 11:45 T. HASEGAWA, M. YAMADA. Forage Grass and Legume Cultivars Newly Developed in Japan
11:45- 12:00 S. NAKAYAMA, J. ABE. Cold Tolerance and Seed Production in Orchardgrass
12:00- 13:30 LUNCH LaSells Stewart Center (daily registrants excluded)
13:30- 15:00 POSTER PRESENTATIONS
(authors present at odd numbered posters)
  1. T.S. AAMLID. Timing of Autumn Cutting and Nitrogen Application in Relation to Seed Yield in an Arctic and a Temperate Cultivar of Poa partensis L.
  2. Z.Y. AN. A Studies of Trace Elements with Zoysia Seed Resource Distribution
  3. R.E. BARKER, D.A. SLEPER, R.E. WELTY. Seed Production Potential of Germplasm from Subspecies of Dactylis
  4. P. BEUSELINCK, R.L. MCGRAW. Seed Production of Annual Lespedeza Harvested for Herbage
  5. B. BOELT. The Influence of Growth Regulation an Seed Yield and Yield Parameters in White Clover (Trifolium repens L.)
  6. G.E.L. BORM, S. VREEKE. Effects of Several Cover Crops on Undersown Smooth-Stalked Meadow Grass and Red Fescue Grass-Seed Crops
  7. T.G. CHASTAIN, D.F. GRABE. Establishment of Grass Seed Crops with Cereal Companion Crops in Oregon
  8. H. CLINKS POOR. Effect of New Fungicides Against Rusts on Perennial Ryegrass
  9. S. DIULGHEROFF, J.E. FERGUSON, P.J. ARGEL. Effect of Nitrogen Levels and Harvest Time on Seed Yield and Quality of Brachiaria dictyoneura Stapf.
  10. G.W. EVERS, W.J. GRICHAR, A.M. SCHUBERT. Response of Annual Clovers to Preemergence Herbicides
  11. D.T. FAIREY, N.A. FAIREY. Forage Seed Production in Canada
  12. I.Y. PETROV, E.V. MOROZOVA. Stimulation of Vital Processes in Plants with Microwave Radiation
  13. S.M. GRIFFITH. Reproductive Herbage Grass Shoot: Carbohydrate and Nitrogen Status as Affected by Lodging
  14. J.G. HAMPTON. Effect of Paclobutrazol on Inflorescence Production and Seed Yield in Four White Clover (Trifolium repens L.) cultivars
  15. A.J. MERINO, J.L.C. MONTELONGO, J.L. ZARAGOZA, O.G. JUAREZ, 1.0. CRUZ, S. P. NIETO. Research on Herbage Seed Production at the Universidad Autonoma Chapingo, Mexico
  16. A.J. MERINO, M.H. VALTIERRA, A.C. MENESES, H.I. RAMIREZ, J.L.C. MONTELONGO. Seed Production of Rain-Fed Common Vetch (Vicia sativa L.) at Different Seeding Rates and Cutting Frequenices
  17. A.J. MERINO, D.C. URRUTIA, A.C. MENESES. Scarification of Twonsville Stylo (Stylosanthes humilis HBK) Seed with Warm Water and Sulfuric Acid
  18. K.J. LARSON, T.A. LUMPKIN, J.O. MAGUIRE. Astragalus adsurgens Pall. An Alternative Forage Crop for Semi-Arid Regions
  19. G.C.M. LATCH, M.J. CHRISTENSEN, M.D. HARE, M. P. ROLSTON. Effect of Environment on Viability of Endophyte and Germination of Perennial Ryegrass Seed
  20. D.S. LOCH, B.G.ROBOTHAM, P.W. JOHNSTON, T.A. JENSEN, G.L. HARVEY, M.J. CONWAY, C.J. EVERSON, C.R. EDSER, C.J. GORE, J.A. BEAVEN, R.P. NEVILLE, W.J. SCANTTINI. Evaluation and Development of Brush Harvesting for Chaffy-Seeded Grasses in the Australian Subtropics
  21. L. MIN, P.X. CHUN. A Maturity Rate Research on Zoysia japonica Seed Testing Methods
  22. L.R. NELSON, S.L. WARD. Endophyte in Lolium multiflorum Cultivars
  23. 0. NIEMELAINEN. Critical Factors in Orchardgrass Seed Production in Finland
  24. J.S. ROWARTH, M. P. ROLSTON, W.J. ARCHIE, B.R. GUY. Grasslands Puna Chicory: Research, Technology Transfer and Seed Yields
  25. C.Y. RU. The Introduced Cultivation and Seed Production of Crownvetch
  26. S. SAIGA K. AMARI. Population Stability of Japanese Cultivars During Seed Multiplication
  27. D.L. SHAN. Zoysia Germplasm Resource Investigation in the Jiaozhou Bay
  28. J.J. STEINER. Time of Haying on Red Clover Seed and Hay Yield
  29. M.S. TIWANA, H.S. BAJWA, K. P. PURI. Agronomic Studies on Seed Production of Ryegrass in India
  30. M.S. TIWANA, K. P. PURI. Effect of Moisture and Final Cutting on Seed Production of Alfalfa (Medicago sativa L.)
  31. L.Z. XUE, L. YIN. Herbage Seed Production, Testing and Management in China
  32. W.W. XUE, W.Q. ZHEN. A Review of Alfalfa Seed Production in the Luliang Region
  33. Y.T. LIN. Study on Seed Reproduction Technology of 8493 F, Hybrid Teosinte (Euchlaena mexicana)
  34. Y.T. LIN. Hybrid Teosinte ((Euchlaena mexicana) + Oregon Ryegrass ? A Fine Combination for Feeding the Grass Carp
  35. M.T. JENSEN. Special Notice to the DLF?Trifoliums Experience with Possibilities of Improving the Quality of the Seedlots

ORAL PRESENTATIONS - Session 2: R.E. WELTY, Chair

Invited Paper:

15:00- 15:20 M.R. SIGEL Current Status of Grass-Endophyte Interactions and Their Potential in Herbage Seed Production
15:20- 15:30 Discussion

Volunteered Papers:

15:30- 15:45 M. AZEVEDO, R.E. WELTY. The Effects of Endophyte Infection and Phosphate Nutrition on the Vegetative Growth, Photosynthetic Rate, and Phosphate Accumulation of Two Morphologically Distinct Tall Fescue Clones
15:45- 16:00 S. ALDERMAN. Assessment and Determination of Spatial Pattern of Ergot and Blind Seed in the Willamette Valley of Oregon
16:00- 16:15 B. CAGAS. Control of Ergot in Grass Seed Production Contemporary Options
16:15- 16:30 W.J. JOHNSTON, T.R. SCHULTZ, C.T. GOLOB. Ergot Control in Kentucky Bluegrass Seed Production Fields
16:30- 16:45 R.E. WELTY, R.E. BARKER. Assessment and Control of Stem Rust in Tall Fescue and Perennial Ryegrass
16:45- 17:00 E.A. PIZARRO, M.A. CARVALHO, R.C.C. CONDE. Seed Production from Forage Legumes in the Brazilian "Cerrado"
17:00- 19:00 DINNER (no host)
19:00- 21:30  Poster Rooms Open

LaSells Stewart Center will be open and available for informal group meetings - Rooms reserved at information table See announcement board for scheduled meetings

Prearranged Meetings:

19:00- 19:30 IHSPRG Meeting, Room (to be announced)
19:30- 21:30 UJNR Joint Panel Meeting, Room (to be announced)

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TUESDAY, JUNE 11

8:30- 10:00 POSTER PRESENTATIONS
(authors present at even numbered posters)

ORAL PRESENTATIONS - Session 3: T.S. AAMLID, Chair

Invited Paper:

10:00- 10:20 A. NORSGAARD Stability of High Seed Production S. ANDERSEN Efficiency in Perennial Seed Crops
10:20- 10:30 Discussion

Volunteered Papers:

10:30- 10:45 T.A. CAMPBELL, G.R. BAUCHAN. Prospects for the Production of Hybrid Alfalfa
10:45- 11:00 M. FALCINELLI. Backcross Breeding to Increase Seed Retention in Orchardgrass
11:00- 11:15 J.G. HAMPTON. Herbage Seed Vigor - Do Problems Start with Production
11:15- 11:30 B. IDAN. Seed Yielding Potential and Quality of Seed in Some Varieties of Grasses and Herbage Legumes
11:30- 11:45 G. SICARD. Nitrogen Effects on Seed Yield of Cocksfoot and Tall Fescue
11:45- 12:00 P.T.P. CLIFFORD, I.J. BAIRD. Assessing Genetic Drift Potential in White Clover (Trifolium repens L.) Breeding Programmes
12:00- 13:30 LUNCH LaSells Stewart Center (daily registrants excluded)
13:30- 15:00 POSTER PRESENTATIONS
(authors present at odd numbered posters)

ORAL PRESENTATIONS - Session 4: N. EHLKE, Chair

Invited Paper:

15:00- 15:20 D.O. CHILCOTE Grass Seed Production in the Absence W.C. YOUNG III of Open-Field Burning
15:20- 15:30 Discussion

Volunteered Papers:

15:30- 15:45 G.W. MUELLER-WARRANT. Prospects for Controlling Weeds Without Field Burning
15:45- 16:00 R.R. SMITH. Clover and Grass Control in Birdsfoot Trefoil Seed Production
16:00- 16:15 L. RAMIREZ, J.B. HACKER. Timing of Pre-conditioning Herbage Cut and the Influence of Nitrogen Application on Panicle Density and Crop Synchronization of Digitaria eriantha cv. Premier
16:15- 16:30 M.E. MELLBYE. Use of Modified Stability Analysis to Demonstrate Crop Tolerance to Herbicides in Grass Seed Production
16:30- 16:45 W.C. YOUNG III. Influence of Row Spacing and Seeding Rate on Tall Fescue Seed Production
16:45- 17:00 D.T. FAIREY, L. P. LEFKOVITCH. Seed Production in Forage Legumes Established with Cereal and Oilseed Companion Crops
18:00- 19:00 Mixer - Corvallis Country Club
19:00- 22:30 Banquet - Corvallis Country Club

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WEDNESDAY, JUNE 12

8:30- 10:00 POSTER PRESENTATIONS
(authors present at even numbered posters)

ORAL PRESENTATIONS - Session 5: A. MARSHALL, Chair

Invited Paper:

10:00- 10:20 A. ELGERSMA Floret Site Utilization and Seed Development in Herbage Seed Crops
10:20- 10:30 Discussion

Volunteered Papers:

10:30- 10:45 S. DIULGHEROFF, J.E. FERGUSON. The Dynamics of Primary Dormancy in Brachiaria dictyoneura Stapf.
10:45- 11:00 R.B.R. YADAVA. Herbage Seed Production in Tropical Forages Through Plant Growth Regulants
11:00- 11:15 A. MARSHALL. Physiological Factors Influencing the Balance Between Vegetative and Reproductive Growth in White Clover Seed Crops
11:15- 11:30 G. RIJCKAERT. Applications of Growth Regulators in Seed Crops of White Clover (Trifolium repens L.) under Belgian Climatic Conditions
11:30- 11:45 R. BATTA. Boosting Seed and Forage Production in Alfalfa Using Growth Regulators
11:45- 12:00 J.D. MAGUIRE, E.S. MARING, C.D. BURROWS, W.J. JOHNSTON. Enhancement of Seed Performance by Matriconditioning
12:00- 13:30 LUNCH LaSells Stewart Center (daily registrants excluded)
13:30- 15:00 POSTER PRESENTATIONS
(all authors present; remove posters at 15:00)

END OF ALL ORAL AND POSTER PRESENTATIONS 

15:00- 17:30 Open House: OSU and USDA-ARS-NFSPRC facilities
17:30 DINNER (no host)
17:30- 21:00 LaSells Stewart Center will be open and available for group meetings - See Announcement Board for Scheduled Meetings

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THURSDAY, JUNE 13
Field Excursion

Session 6 - W.C. YOUNG III, Chair

8:00  Leave Corvallis  
8:30 BOB KENNEL Kennel Farms - Discuss/view orchardgrass seed production and on-farm cleaning/warehousing operations.
10:30 DAVE DOERFLER
JOHN DUERST 		 IOKA Farms - Discuss/view fine-leaf fescue seed production typical of the Silverton Hills region.
12:00 LUNCH Silver Creek Falls State Park - Enjoy the scenery and vistas driving into the park, and hike around the South Falls
14:00 S. BURLINGHAM
BILL DRYDEN		 Woodburn Fertilizer and Grain - Commercial  warehouse cleaning grass and legume seed crops.
15:30 BILL MEYER
CRYSTAL FRICKER		 Turf-Seed, Inc. Research Farm - Commercial  company turf seed yield trials and grass breeding research program.
17:00 DINNER At Turf-Seed's facility
18:30 Return to Corvallis  
20:00 Arrive in Corvallis  

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FRIDAY, JUNE 14
Field Excursion

Session 7 - W.C. YOUNG III. Chair

8:00 Leave Corvallis  
8:30 NORM, VERN, MIKE,
DWIGHT & DON COON		 Oak Park Farm - Discuss/view grass seed  production typical of a south Willamette Valley family farm.
9:30 GEORGE PUGH Pugh Seed Farm - Discuss University/ Extension/Grower cooperative research philosophy and benefits from a grower perspective.
11:00 MIKE BAKER Pennington Seed, Inc. of Oregon - Commercial plant cleaning, blending and packaging grass seed crops.
12:00 LUNCH At Pennington's Seed facility
13:30 DENNIS GLASER 
FLAXEN CONWAY		 Discuss/view equipment used in seed  production, including a close-clip & vacuum machine. Also witness a display showing products for alternative uses of straw.
15:30 W.C. YOUNG III Hyslop Crop Science Farm - Discuss/view OSU & USDA-ARS research plots on grass and legume seed crops.
17:00 Return to Corvallis  
17:30 Arrive in Corvallis  

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END OF CONFERENCE