Critical study of coleoptile elongation controlled by IAA and ABA I. Growth kinetics and distribution [PDF]
The elongation rate of wheat coleoptiles, treated with IAA and ABA, was already affected during the first 8 hr of culture. The most sensitive zone of the material—for hormonal treatments—was first localized and then comparatively cultured both in situ ...
Hofer, Rose-Marie+2 more
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Development and validation of Triticum phytobiological method as an alternative procedure for investigating in vivo acute toxicity on mice [PDF]
The goal of this study was to validate an alternative method for determining in vivo acute toxicity using vegetal material instead of laboratory animals, starting from the phytobiological method known also as the Triticum technique.
Anghel, Adriana+5 more
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Mechanical Properties of the Avena Coleoptile As Related to Auxin and to Ionic Interactions [PDF]
Takashi Tagawa, James Bonner
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Ethionine and Auxin-Action in Avena Coleoptile [PDF]
Ethionine has been shown by Schrank (12) to be an inhibitor of auxin-induced elongation in the Avena coleoptile. Since the inhibition can be reversed by methionine, it has been concluded that ethionine acts by affecting some facet of methionine metabolism. Work with animal tissues has shown that there are two ways in which this can occur: ethionine can
openaire +2 more sources
Hydrolysable Tannins and Biological Activities of Meriania hernandoi and Meriania nobilis (Melastomataceae) [PDF]
A bio-guided study of leaf extracts allowed the isolation of two new macrobicyclic hydrolysable tannins, namely merianin A (1) and merianin B (2), and oct-1-en-3-yl b-xylopyranosyl-(1”-6’)-b-glucopyranoside (3) from Meriania hernandoi, in addition to ...
Ana Julia Colmenares Dulcey+6 more
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INFLUENCE OF WEAK ELECTRIC CURRENTS UPON THE GROWTH OF THE COLEOPTILE [PDF]
N. Cholodny, E. Ch. Sankewitsch
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In the years 2005 - 2006 studies were conducted in a growth chamber and a vegetation hall which compared tolerance to NaCl salinity of seeds and plants of some lawn grasses.
Borowski Edward
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For the resistance to a soil drought in the early stages of seed germination the key role plays the primary root system: an activity of seed germination, the number of seminal roots and their length, dry weight of roots and coleoptile length and also the
Є. К. Кірдогло+2 more
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Influence of environmental factors during seed development and after full-ripeness on pre-harvest sprouting in wheat [PDF]
Results on environmental and genotypic factors influencing preharvest sprouting of wheat are summarized.
Ciha, A. J.+3 more
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Critical study of coleoptile elongation controlled by IAA and ABA II. Epidermal surfaces analysed by SEM [PDF]
Cell wall surfaces of wheat coleoptiles treated with IAA and ABA were observed using SEM. On in situ and in vitro cultured material, formation of some "cracks” was observed after stimulated elongation.
Hofer, Rose-Marie+2 more
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