About: Asymmetrical intraspecific competition in Echinochloa crus-galli is related to differences in the timing of seedling emergence and seedling vigour     Goto   Sponge   NotDistinct   Permalink

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  • Individual size is an important factor that determines fitness in annual plants. Variation in size originates at the seedling stage based on differences in seedling vigour and time of emergence, ensuing asymmetrical intraspecific competition between early- and late-established plants. The effects of the order of seedling emergence on characteristics of barnyard grass (Echinochloa crus-galli) were studied. In the first experiment, competition between pairs of plants, one of which was sown and emerged 0, 3, 6 or 12 days earlier than the other, was determined. In the second experiment, competition between two plants that were sown at the same time, but emerged at different times because of variation in seed quality, was determined. Competition decreased plant mass, tillering, height and the number of caryopses per panicle, but not time to earing or root/shoot ratio.
  • Individual size is an important factor that determines fitness in annual plants. Variation in size originates at the seedling stage based on differences in seedling vigour and time of emergence, ensuing asymmetrical intraspecific competition between early- and late-established plants. The effects of the order of seedling emergence on characteristics of barnyard grass (Echinochloa crus-galli) were studied. In the first experiment, competition between pairs of plants, one of which was sown and emerged 0, 3, 6 or 12 days earlier than the other, was determined. In the second experiment, competition between two plants that were sown at the same time, but emerged at different times because of variation in seed quality, was determined. Competition decreased plant mass, tillering, height and the number of caryopses per panicle, but not time to earing or root/shoot ratio. (en)
Title
  • Asymmetrical intraspecific competition in Echinochloa crus-galli is related to differences in the timing of seedling emergence and seedling vigour
  • Asymmetrical intraspecific competition in Echinochloa crus-galli is related to differences in the timing of seedling emergence and seedling vigour (en)
skos:prefLabel
  • Asymmetrical intraspecific competition in Echinochloa crus-galli is related to differences in the timing of seedling emergence and seedling vigour
  • Asymmetrical intraspecific competition in Echinochloa crus-galli is related to differences in the timing of seedling emergence and seedling vigour (en)
skos:notation
  • RIV/00027006:_____/11:00001860!RIV12-MZE-00027006
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MZE0002700604)
http://linked.open...iv/cisloPeriodika
  • 11
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 187367
http://linked.open...ai/riv/idVysledku
  • RIV/00027006:_____/11:00001860
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Barnyard grass; Seedling emergence; Plant growth; Biomass (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [1924FBA0026D]
http://linked.open...i/riv/nazevZdroje
  • Plant Ecology
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 212
http://linked.open...iv/tvurceVysledku
  • Honěk, Alois
  • Martinková, Zdenka
http://linked.open...n/vavai/riv/zamer
issn
  • 1385-0237
number of pages
http://bibframe.org/vocab/doi
  • 10.1007/s11258-011-9953-8
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