Texas, USA 2010 - International Herbage Seed Group
Texas, USA 2010 - International Herbage Seed Group Texas, USA 2010 - International Herbage Seed Group
% viable seeds3. The stale seedbed technique can be a very effective method to deplete the seedbank andreduce contamination of a subsequent grass seed crop4. Spring establishment of seed crops reduces contamination with winter annual grasses.An example of the influence of straw disposal technique and soil cultivation is shown in Figure1.On soil, uncovered On soil, with straw cover In 2 cm depth25201510502005 2006 2007Figure 1. Longevity of seeds of Poa trivialis kept at the soil surface with or without straw cover or at adepth of 2 cm from maturity in July to the end of September the same year.AcknowledgmentsThanks are due to the Danish Seed Council and The Danish Food Industry Agency for financial support.Also thanks to DLF-TRIFOLIUM for giving disposal to their database and a special thanks to BjarneSorensen, DLF-TRIFOLIUM helping with data extraction from the database.ReferencesAnon. (2009). Rapport 2008 Brancheudvalget for frø. (Report 2008, Danish Seed Council)http://www.seedcouncil.dk/getMedia.asp?mb_GUID=1AAB4A25-BB12-4F89-ADE9-FAD5650326F2.pdfJensen, P. K. (2009) Longevity of seeds of four annual grasses and two dicotyledon weed speciesas related to placement in the soil and straw disposal technique. Weed Research 49, 592-601.143
Jensen, P. K. (2010) Longevity of seeds of Poa trivialis and Vulpia myuros as affected bysimulated soil tillage practices and straw disposal technique. In print. Grass and ForageScience 65, pp-pp..Jensen, P. K. (2010) Longevity of seeds of Poa pratensis and Lolium perenne as affected bysimulated soil tillage practices and its implications for contamination of herbage seed crops.In print. Grass and Forage Science 65, pp-pp.144
- Page 103 and 104: Table 1. Germination index (GI) for
- Page 105 and 106: Reliability of salinity screening L
- Page 107 and 108: AcknowledgmentThis research was sup
- Page 109 and 110: Table 2. Greenhouse salinity screen
- Page 111 and 112: The seeds were collected from the A
- Page 113 and 114: increases germination to its potent
- Page 115 and 116: Light, lodging and flag leaves-what
- Page 117 and 118: Relative seed yieldSeed yield (kg/h
- Page 119 and 120: Hampton, J.G.; Clemence, T.G.A.; He
- Page 121 and 122: The seed set is of major importance
- Page 123 and 124: In grass species with poor seed ret
- Page 125 and 126: support system to optimize fungicid
- Page 127 and 128: weather stations in grass seed fiel
- Page 129 and 130: ust resistance loci in Lolium peren
- Page 131 and 132: Seed yield variation in a red clove
- Page 133 and 134: 100Seed yield plant -1 (g)806040200
- Page 135 and 136: Marden, J. H. 1984. Remote percepti
- Page 137 and 138: Crimson clover seed production in t
- Page 139 and 140: Piper, C.V. 1935. Forage plants and
- Page 141 and 142: deal of investigation into the caus
- Page 143 and 144: genes and subsequent ability to pro
- Page 145 and 146: Gatenby, W.A., S.C. Munday-Finch, A
- Page 147 and 148: Control of Vulpia myuros in red fes
- Page 149 and 150: The strip design provides an opport
- Page 151 and 152: The pot experiments did not reveale
- Page 153: CharacterWeed abundance1 A few plan
- Page 157 and 158: Effects of intraspecific competitio
- Page 159 and 160: flowering, Gangi accumulated a high
- Page 161 and 162: 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
% viable seeds3. The stale seedbed technique can be a very effective method to deplete the seedbank andreduce contamination of a subsequent grass seed crop4. Spring establishment of seed crops reduces contamination with winter annual grasses.An example of the influence of straw disposal technique and soil cultivation is shown in Figure1.On soil, uncovered On soil, with straw cover In 2 cm depth25201510502005 2006 2007Figure 1. Longevity of seeds of Poa trivialis kept at the soil surface with or without straw cover or at adepth of 2 cm from maturity in July to the end of September the same year.AcknowledgmentsThanks are due to the Danish <strong>Seed</strong> Council and The Danish Food Industry Agency for financial support.Also thanks to DLF-TRIFOLIUM for giving disposal to their database and a special thanks to BjarneSorensen, DLF-TRIFOLIUM helping with data extraction from the database.ReferencesAnon. (2009). Rapport 2008 Brancheudvalget for frø. (Report 2008, Danish <strong>Seed</strong> Council)http://www.seedcouncil.dk/getMedia.asp?mb_GUID=1AAB4A25-BB12-4F89-ADE9-FAD5650326F2.pdfJensen, P. K. (2009) Longevity of seeds of four annual grasses and two dicotyledon weed speciesas related to placement in the soil and straw disposal technique. Weed Research 49, 592-601.143
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