Texas, USA 2010 - International Herbage Seed Group

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Figure 1 Effect of trinexapac-ethyl on number of seed per inflorescence in selected grass speciesincluding confidence intervals (p=0.05)ReferencesChastain, T.G., Young, W.C. III., Garbacik, C.J., Silberstein, T.B. (2003) Seed partitioning andyield responses to trinexapac ethyl in perennial ryegrass. In: Proceedings of the FifthInternational Herbage Seed Conference, Gatton, Australia, 2003. p. 104-108.Haldrup, Ch. (2007) Growth regulation, fungicides and nitrogen interaction in seed cropproduction. Seed production in the northern light. In Aamlid, T.S., Havstad, L.T. & Boelt, B(eds) Seed production in the northern light. Proceedings of the Sixth International HerbageSeed Conference, Gjennestad, Norway, 2007, p. 211-213.Rademacher, W. (2000) Growth Retardants: Effects on Gibberellin Biosynthesis and OtherMetabolic Pathways. Annual Review of Plant Physiology and Plant Molecular Biology,June 2000, Vol. 51, s. 501-531Rijckaert, G. (2007) Effects of trinexapac-ethyl (Moddus) in seed crops of Italian ryegrass andtimothy. In Aamlid, T.S., Havstad, L.T. & Boelt, B (eds) Seed production in the northernlight. Proceedings of the Sixth International Herbage Seed Conference, Gjennestad,Norway, 2007, s. 231-235.Rolston, M.P, Rowarth, J.S., Young, W.C. III., Mueller-Warrant, G.W. (1997) Grass Seed CropManagement. In: Fairey, D.T., Hampton, J.G. (eds.) Forage Seed Production, Volume 1:Temperate Species. CAB International, Wallingford, UK. 420 p.Silberstein, T.B., Young, W.C. III, Chastain, T.G., Garbacik, C.J. (2001) Response of coolseason grasses to foliar applications of Palisade® (trinexapac-ethyl) plant growth regulator,2001. In: Young, W.C. III. (ed.) Seed production Research at Oregon State UniversityUSDA-ARS Cooperating. Department of Crop and Soil Science Ext/Crs 121, 4/02.203
Silberstein, T.B., Young, W.C. III, Chastain, T.G., Garbacik, C.J. (2002) Response of perennialryegrass to spring nitrogen fertility and plant growth regulator applications, 2002. In:Young, W.C. III. (ed.) Seed production Research at Oregon State University USDA-ARSCooperating. Department of Crop and Soil Science Ext/Crs 122 5/03. p. 15-18.Young, W.C. III, Silberstein, T.B., Chastain, T.G., Garbacik, C.J. (2007) Response of creepingfescue (Festuca rubra L.) and perennial ryegrass (Lolium perenne L.) to spring nitrogenfertility and plant growth regulator applications in Oregon. In Aamlid, T.S., Havstad, L.T.& Boelt, B (eds) Seed production in the northern light. Proceedings of the SixthInternational Herbage Seed Conference, Gjennestad, Norway, 2007, p. 201-205.204
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Proceedings of the 7th Internationa
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Table of ContentsORAL PRESENTATIONS
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Seed yield components and yield per
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International Herbage Seed Conferen
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16:15 - 16:30 Reliability of salini
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Hotel expense is covered for night
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40,000 were slaves (McDonald, 2007)
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Fig. 1. Texas AgriLife Research and
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$7 billion for cattle, $3 billion f
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principle and encourages both AgriL
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eceived by growers, the above perce
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seed conditioning plants are locate
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Table 4.Hectares of open-field burn
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system, a seed crop is produced fro
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Fig. 1. Land resource areas of Texa
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y land owners. Seed yields are low
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The influence of planting density o
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Simple correlation and regression a
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Variation in seed shattering in a g
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Seed retention (SR) was calculated
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mm160120Precipitation8040020Km h -1
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Young, B. A. (1986). A Source of Re
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Several methods are commonly used f
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Table 3. Effect of the length of ha
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Alfalfa seed production in semi-hum
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Rather near the meteorological stat
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ReferencesBolaños-Aguilar E.D., Hu
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ased bioenergy conversion plants wa
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Table 1. Average distances required
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Figure 1. Optimized locations for 1
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Perennial ryegrass (Lolium perenne
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Relative Seed Yieldsingle composite
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Flowers, M.D.; Hart, J.M.; Young II
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Thus, similar to tissue tests, remo
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Conclusion:Perhaps our most importa
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Modelling critical NDVI curves in p
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The five spectral reflectance measu
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Harvest loss in ryegrass seed crops
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Larger than expected harvest losses
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Rolston, P.; Trethewey, J.; McCloy,
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Optical sensors have the potential
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Figure 2. Seed yield response to ap
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Flowers, M. D., Hart, J.M., Young I
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In 2010, France has launched the fo
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Yield (% maximum)ConclusionThe resu
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Plant N uptakeN unavailableSoil nit
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Stresses associated with germinatio
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correspond to electrical conductivi
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applied later in the fall was more
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Figure 2. Establishment of five ove
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The seed vigour testing was perform
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Table 1. Germination index (GI) for
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Reliability of salinity screening L
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AcknowledgmentThis research was sup
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Table 2. Greenhouse salinity screen
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The seeds were collected from the A
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increases germination to its potent
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Light, lodging and flag leaves-what
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Relative seed yieldSeed yield (kg/h
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Hampton, J.G.; Clemence, T.G.A.; He
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The seed set is of major importance
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In grass species with poor seed ret
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support system to optimize fungicid
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weather stations in grass seed fiel
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ust resistance loci in Lolium peren
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Seed yield variation in a red clove
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100Seed yield plant -1 (g)806040200
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Marden, J. H. 1984. Remote percepti
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Crimson clover seed production in t
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Piper, C.V. 1935. Forage plants and
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deal of investigation into the caus
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genes and subsequent ability to pro
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Gatenby, W.A., S.C. Munday-Finch, A
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Control of Vulpia myuros in red fes
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The strip design provides an opport
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The pot experiments did not reveale
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CharacterWeed abundance1 A few plan
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Jensen, P. K. (2010) Longevity of s
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Effects of intraspecific competitio
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flowering, Gangi accumulated a high
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The seed yield of Gangi was, on ave
Page 163 and 164: Seed yield components and yield per
Page 165 and 166: ResultsVariation among populations
Page 167 and 168: Table 2. Means of total seeds per p
Page 169 and 170: Ryle, G. J. (1970). Partition of As
Page 171 and 172: Control of Apion trifolii in red cl
Page 173 and 174: Number of seeds /inflorescencesimil
Page 175 and 176: population. However, in spite of th
Page 177 and 178: Corvallis where they were debearded
Page 179 and 180: Table 1. Effect of Palisade growth
Page 181 and 182: Variations on potential and harvest
Page 183 and 184: Determination of optimum desiccatio
Page 185 and 186: Relative seed yield (%)Flowers/m225
Page 187 and 188: Harvesting too soon after peak flow
Page 189 and 190: Annual ryegrass seed production in
Page 191 and 192: seed yield, kg/haExtractable Al, mg
Page 193 and 194: ReferencesHaby, V.A. (1995). Soil m
Page 195 and 196: Kentucky bluegrass (Poa pratensis L
Page 197 and 198: urn residue management (Fig. 1 and
Page 199 and 200: Comparing herbicide selectivity in
Page 201 and 202: Development of new tetraploid Chlor
Page 203 and 204: Following 4 (or 5) cycles of select
Page 205 and 206: Loch, D.S., Rethman, N.F.G. & van N
Page 207 and 208: KBGcocksfootHykorLofatimothymeadowf
Page 209 and 210: Figure 2 Relative seed yield (%) se
Page 211 and 212: and GA 4 . In consequence this inac
Page 213: Table 1 The effect of trinexapac-et
Page 217 and 218: inflorescece number and seed yield
Page 219 and 220: Germination of Lolium multiflorum g
Page 221 and 222: Effect of sowing density on seed yi
Page 223 and 224: y-products of this grass seed crop
Page 225 and 226: Table 2. Effect of PGR on seed yiel
Page 227 and 228: Further culm length measurements ga
Page 229 and 230: chlorophyllometer. Measurements wer
Page 231 and 232: Table 2. Photosynthesis rate of fla
Page 233 and 234: Organization of grass seed research
Page 235 and 236: Path Coefficient and Ridge Regressi
Page 237 and 238: through y4 (0.133). Increasing y 1
Page 239 and 240: Newell G.J., Lee B. (1981)Ridge reg
Page 241 and 242: Relative humidity, seed moisture co
Page 243 and 244: Ergovaline contents in grasses from
Page 245 and 246: 11.8 % (Central East) to 40.0% (Nor
Page 247 and 248: ReferencesBony, S. & Delatour, P. (
Page 249 and 250: Long-term Evaluation of Annual Ryeg
Page 251 and 252: seed yield. All systems of establis
Page 253 and 254: Preliminary results after four year
Page 255 and 256: Casals, Marie-LaureFNAMSImpasse du
Page 257 and 258: Mao, PeishengForage Seed LabChina A
Page 259 and 260: Vanasche, DavidVanasche Farm36130 N
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