Results 211 to 220 of about 26,910 (256)

Anthocyanin Pigments of Buckwheat Hypocotyls

Anthocyanin Pigments of Buckwheat Hypocotyls
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Gibberellins control Arabidopsis hypocotyl growth via regulation of cellular elongation

Journal of Experimental Botany, 1999
The gibberellins (GAs) are endogenous regulators of plant growth. Experiments are described here that test the hypothesis that GA regulates hypocotyl growth by altering the extent of hypocotyl cell elongation.
Nicholas Harberd
exaly   +2 more sources

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Measuring Hypocotyl Length in Arabidopsis

2021
Circadian clocks allow organisms to synchronize growth to occur at the most optimal time of the day. In plants, the circadian clock controls the timing of hypocotyl (seedling stem) elongation. The activity of the circadian clock subsequently results in hypocotyl elongation being restricted to a small window around dawn and the early morning.
James, Ronald, Seth Jon, Davis
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Studies on the protein in soybean hypocotyl

Archives of Biochemistry and Biophysics, 1958
Abstract Two methods for separation of soybean hypocotyl are described. Solubility data are presented for the nitrogen constituents of hypocotyl extracts. Experiments indicate that removal of phytic acid is responsible for the shift in the pH of minimum solubility of hypocotyl proteins to higher values.
J J, RACKIS, A K, SMITH, H A, SASAME
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Auxin-regulated gene expression in intact soybean hypocotyl and excised hypocotyl sections

Planta, 1984
A library of complementary DNA (cDNA) clones has been prepared from polyadenylated RNA (poly(A)(+)RNA) from auxin (2,4-dichlorophenoxyacetic acid)-treated soybean (Glycine max (L.) Merr. cv. Wayne) seedlings. Using differential hybridization, four clones were selected as auxin-responsive, and characterized. The levels of the RNA sequences homologous to
G, Hagen, A, Kleinschmidt, T, Guilfoyle
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A major factor in gravitropism in radish hypocotyls is the suppression of growth on the upper side of hypocotyls

Journal of Plant Physiology, 2006
The changes in length on the two opposite sides of etiolated radish (Raphanus sativus) hypocotyls prior to, and following gravitropic stimulation, were measured using an infrared-imaging system. It was observed that the growth suppression on the upper side began first at least 10 min after the onset of gravitropic stimulation, and after 30 min the ...
Hikari, Tokiwa, Tsuyoshi, Hasegawa, Kosumi, Yamada, Hideyuki, Shigemori, Koji, Hasegawa   +4 more
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KINEMATICS OF HYPOCOTYL CURVATURE

American Journal of Botany, 1978
Time lapse photographs were analyzed for curvature, κ, of the plumular hook as a function of distance from the apex, s, of seedlings of lettuce. Lactuca sativa cv ‘Grand Rapids,‘ during hook maintenance (red light) and hook opening (white light). Curvature of the inner edge of the photographic projection of the hook increases from 0.14 mm–1 near the ...
Wendy Kuhn Silk, Ralph O. Erickson
openaire   +1 more source

INITIATION OF NUTATION IN SUNFLOWER HYPOCOTYLS

1981
Publisher Summary This chapter discusses the initiation of nutation in sunflower hypocotyls. If, prior to the onset of nutating activity, one could see random walk type movements by the epicotyl that in time grow large enough to elicit a gravitropic response with overshoot, then one should interpret this as additional support for the validity of ...
A H, Brown, D K, Chapman
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Role of auxinic herbicide-induced ethylene on hypocotyl elongation and root/hypocotyl radial expansion

Pest Management Science, 2000
Effects of auxinic herbicides on growth/development, ethylene biosynthesis and gene expression were studied in Sinapis arvensis as well as wild type, auxin-resistant and ethylene-insensitive lines of Arabidopsis thaliana. Expansion of the radius of the root/hypocotyl and inhibition of root and hypocotyl elongation were observed in seedlings of S ...
Yang Dou Wei, Hong‐Gang Zheng, J Christopher Hall   +2 more
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Photosensory mechanisms in the lettuce seedling hypocotyl

Planta, 1969
A number of differences in the responses of 'Great Lakes' lettuce seedlings to blue and far-red light indicate that more than one photo-sensitive pigment is involved in the photo-inhibition of hypocotyl elongation under 'highenergy' conditions. In far-red light the inhibitory effect is restricted to young seedlings and is of limited duration; after 24 ...
M R, Turner, D, Vince
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