1990
DOI: 10.1034/j.1399-3054.1990.800123.x
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The light-induced unrolling of the grass leaf - A study of polarity, light-piping and stimulus transmission

Abstract: Hemming I, VirginVirgin, H. 1. 1990. The ligbt-indueed unrolling of the grass leaf-A study of polarity, light-piping and stimulus transmission. -Physiol. Plant. 80: 143-147.Primary leaves of dark-grown barley {Hordeum vulgare L. cv. Weibull's Ida) unroll m darkness when cut into sections shorter than about 2 cm; the shorter the more unrolling. The unrolling pattern of irradiated Jeaf sections longer than about 2 cm indicates a polarity in the leaves: the top end of the basal section of a divided leaf unrolls m… Show more

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Cited by 2 publications
(3 citation statements)
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“…As described under Light treatment, the light pulse was given in a way that should prevent it from reaching non-irradiated leaflets. Since 'long rows of cells can act as optical fibers and can direct light from the directly irradiated area to neighbouring cells' (Virgin 1990), we cannot exclude tbat light was piped via the midrib to the pulvini of the two other leaflets, especially as the red light ased is the wavelength that is best transmitted in leaf tissae (Vogelmann and Bjorn 1984). This can explain why we did not obtain significantly different phase response curves for the light-treated and the two nontreated leaflets.…”
Section: Discussioiimentioning
confidence: 85%
“…As described under Light treatment, the light pulse was given in a way that should prevent it from reaching non-irradiated leaflets. Since 'long rows of cells can act as optical fibers and can direct light from the directly irradiated area to neighbouring cells' (Virgin 1990), we cannot exclude tbat light was piped via the midrib to the pulvini of the two other leaflets, especially as the red light ased is the wavelength that is best transmitted in leaf tissae (Vogelmann and Bjorn 1984). This can explain why we did not obtain significantly different phase response curves for the light-treated and the two nontreated leaflets.…”
Section: Discussioiimentioning
confidence: 85%
“…Среди исследователей морфогенеза пшеницы до сих пор существуют разногласия относительно последовательности роста коле-оптиля и эпикотиля, выносящего главную почку зародыша зерновки в приповерхностный слой почвы. Согласно мнению одних исследователей, рост эпикотиля прекращается, как только кончик колеоптиля приблизится к поверхности почвы [8], другие авторы отмечают согласованный рост влагалища 1-го листа и эпикотиля, рост которо-го завершается в момент выхода из колеоптиля влагалища 1-го листа проростка пшеницы [9,10].…”
Section: результаты и их обсуждениеunclassified
“…1. Динамика роста морфоструктур проростка пшеницы сорта Саратов-ская 36 в полевых условиях Согласно мнению некоторых исследовате-лей, рост эпикотиля ингибируется светом, про-шедшим через ткани колеоптиля и влагалища 1-го листа [10,11]. Действительно, как показали проведенные нами эксперименты в контролируе-мых лабораторных условиях, наблюдается разли-чие в росте морфоструктур проростка пшеницы при наличии или отсутствии светового фактора.…”
Section: результаты и их обсуждениеunclassified