Polarity of Thiamine Movement through Tomato Petioles
نویسندگان
چکیده
منابع مشابه
Polarity of Auxin Movement by Basipetal Transport'
Sikmninarv. The polar, basipetal transport of indoleacetic acid helps to mlainitain l)olarity of auxin movement in coleoptiles of Azcna sativa L. by opposing acropetal diffusion. This conclusion is supported by 3 different kinds of experiments. In all 3 experiments, sections took up 14C carboxyl-labeled indole-3-acetic acid anaerobically, anid the distribution of auxin within all sections was s...
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There have been several reports of light effe-cts on the movement of growth-regulating substances in plants. Shen-Miller and Gordon (6) found that phototropically active blue light decreased the basipetal movement of IAA in Zca coleoptile sections. Similarly, Thornton and Thimann (7) *observed that blue light induced a transient decrease in the basipetal movement of IAA in Avena coleoptile tiss...
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متن کاملTransport of the Auxin 2,4-Dichlorophenoxyacetic Acid Through Absiccion Zones, Pulvini, and Petioles of Phaseolus vulgaris.
Measurements were made of the transport of 2,4-dichlorophenoxyacetic acid-(14)C (2,4-D) through segments cut from the region of the distal abscission zone in young and old primary leaves of Phaseolus vulgaris L. When old leaves were used basipetal transport of 2,4-D in segments including pulvinar tissue, abscission zone, and petiolar tissue was much less than in wholly petiolar segments. In bot...
متن کاملTransport of the Auxin, Picloram, Through and Coleus and Stem Sections of Petioles of Bean Pea
The transport of the synthetic auxin, picloram (4-amino-3,5,6-trichloropicolinic acid) was investigated in sections of petioles of Phaseolus vulgaris L. and Coleus blumei Benth. and stems of Pisum sativum L. Transport of 14C-picloram was basipolar in all tissues, although the degree of polarity was dependant on age. The velocity of picloram movement was calculated at between 0.75 and 1.11 mm/hr...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 1974
ISSN: 0032-0889,1532-2548
DOI: 10.1104/pp.54.3.310