Texas, USA 2010 - International Herbage Seed Group

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Germination of Lolium multiflorum genotypes in high salt conditions 208L. R. Nelson and J. CrowderEffect of sowing density on seed yield and quality of Westerwold ryegrass 210(Lolium multiflorum ssp. westerwoldicum) in FinlandM.Niskanen and O.NiemeläinenEffects of plant growth regulation in seed crops of Italian ryegrass (Lolium multiflorum L.) 211G.A. RijckaertEffect of date and rate of nitrogen fertilization on state of nutrition, photosynthesis rate and 217yielding of lawn cultivar of red fescue (Festuca rubra ssp. commutata) grown for seedsM. SzczepanekOrganization of grass seed research in the Netherlands 222S. de Vlieger and J. WanderResults of herbicide screening on 20 grasses in the Netherlands in 2009 223J. Wander and S. de VliegerPath coefficient and ridge regression analysis to improve seed yield of 224Psathyrostachys juncea NevskiWANG Quanzhen, CUI Jian, ZHOU He, WANG Xianguo, ZHANG Tiejun,and HAN JianguoRelative humidity, seed moisture content, storage temperature and seed longevity 230in Zoysiagrass (Zoysia japonica Steud.)Y.W. Wang, Y. Sun, B.R. Shi, and J.G. HanEffects of depth and duration of burial on seed seasonal germination, dormancy 231and viability of 3 desert plant speciesL.Yang, X.W.Hu, and Y.R.WangErgovaline contents in grasses from semi-natural grasslands in Poland 232G. Żurek, B. Wiewióra, P. Ochodzki, and M. ŻurekLong-term Evaluation of Annual Ryegrass Cropping Systems for Seed Production 238M.E Mellbye, W.C. Young III and C.J. GarbacikList of Delegates 243v
International Herbage Seed Conference 2010PROGRAMSunday, April 1119:00 Welcome ReceptionMonday, April 12CHAIR: Birte Boelt08:15 – 08:25 OpeningBirte Boelt, President, International Herbage Seed Group, Denmark08:25 – 08:30 WelcomeDavid Baltensperger, Department Head, Soil and Crop Sciences , Texas A&M University08:30 – 08:45 Introduction to TexasLloyd Nelson, USA Texas08:45 – 09:00 Texas Foundation Seed Service – a production and commercialization unit for TexasAgriLife ResearchSteve Brown, Director, TFSS09:00 – 09:30 Invited Speaker:Changes in seed crop management – the Oregon experience, 1990-2009William C. Young, USA Oregon09:30 – 09:50 Invited Speaker:Texas herbage seed production in contrasting climatesGerald W. Evers, USA Texas09:50 – 10:15 BreakSession:CHAIR: Don Loch10:15 – 10:30 The influence of planting density on seed yield and seed yield components ofCleistogenes songoricaX. Wei, China10:30 – 10:45 Variation in seed shattering in a germplasm collection of Panicum coloratum L. var.makarikariensis GoossensAndrea Tomas, Argentina10:45 – 11:00 Harvest methods and seed yield potential in Brachiaria hybridsEsteban A. Pizarro, Uruguayvi
Page 1 and 2: Proceedings of the 7th Internationa
Page 3 and 4: Table of ContentsORAL PRESENTATIONS
Page 5: Seed yield components and yield per
Page 9 and 10: 16:15 - 16:30 Reliability of salini
Page 11 and 12: Hotel expense is covered for night
Page 13 and 14: 40,000 were slaves (McDonald, 2007)
Page 15 and 16: Fig. 1. Texas AgriLife Research and
Page 17 and 18: $7 billion for cattle, $3 billion f
Page 19 and 20: principle and encourages both AgriL
Page 21 and 22: eceived by growers, the above perce
Page 23 and 24: seed conditioning plants are locate
Page 25 and 26: Table 4.Hectares of open-field burn
Page 27 and 28: system, a seed crop is produced fro
Page 29 and 30: Fig. 1. Land resource areas of Texa
Page 31 and 32: y land owners. Seed yields are low
Page 33 and 34: The influence of planting density o
Page 35 and 36: Simple correlation and regression a
Page 37 and 38: Variation in seed shattering in a g
Page 39 and 40: Seed retention (SR) was calculated
Page 41 and 42: mm160120Precipitation8040020Km h -1
Page 43 and 44: Young, B. A. (1986). A Source of Re
Page 45 and 46: Several methods are commonly used f
Page 47 and 48: Table 3. Effect of the length of ha
Page 49 and 50: Alfalfa seed production in semi-hum
Page 51 and 52: Rather near the meteorological stat
Page 53 and 54: ReferencesBolaños-Aguilar E.D., Hu
Page 55 and 56: ased bioenergy conversion plants wa
Page 57 and 58:
Table 1. Average distances required
Page 59 and 60:
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
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Seed yield components and yield per
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ResultsVariation among populations
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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
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population. However, in spite of th
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Corvallis where they were debearded
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Table 1. Effect of Palisade growth
Page 181 and 182:
Variations on potential and harvest
Page 183 and 184:
Determination of optimum desiccatio
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Relative seed yield (%)Flowers/m225
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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
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Kentucky bluegrass (Poa pratensis L
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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
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Figure 2 Relative seed yield (%) se
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and GA 4 . In consequence this inac
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Table 1 The effect of trinexapac-et
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Silberstein, T.B., Young, W.C. III,
Page 217 and 218:
inflorescece number and seed yield
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Germination of Lolium multiflorum g
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Effect of sowing density on seed yi
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y-products of this grass seed crop
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Table 2. Effect of PGR on seed yiel
Page 227 and 228:
Further culm length measurements ga
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chlorophyllometer. Measurements wer
Page 231 and 232:
Table 2. Photosynthesis rate of fla
Page 233 and 234:
Organization of grass seed research
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Path Coefficient and Ridge Regressi
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through y4 (0.133). Increasing y 1
Page 239 and 240:
Newell G.J., Lee B. (1981)Ridge reg
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Relative humidity, seed moisture co
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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. (
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Long-term Evaluation of Annual Ryeg
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seed yield. All systems of establis
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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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Texas, USA 2010 - International Herbage Seed Group

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