scholarly journals Influence of 2,3,5-triiodobenzoic acid, indole-3-acetic acid & method of sample collection on translocation of foliar applied radiocalcium

1961 ◽  
Vol 36 (3) ◽  
pp. 360-363 ◽  
Author(s):  
G. A. Taylor ◽  
J. N. Moore ◽  
W. O. Drinkwater
2017 ◽  
Vol 70 (3) ◽  
Author(s):  
Marian Saniewski ◽  
Justyna Góraj-Koniarska ◽  
Eleonora Gabryszewska ◽  
Kensuke Miyamoto ◽  
Junichi Ueda

The effects of <em>N</em>-1-naphthylphthalamic acid (NPA) and 2,3,5-triiodobenzoic acid (TIBA) on the swelling of the stem in intact and decapitated plants of <em>Bryophyllum calycinum</em> in relation to the interaction with auxin, indole-3-acetic acid (IAA), are described. NPA induced conspicuous local internode swelling only in the area of its application in intact plants and in the decapitated internode in the case of simultaneous application of IAA on the top of the internode. By contrast, TIBA applied to an internode of intact plants induced swelling along the entire internode above the treatment area, and similar results were obtained in the decapitated internode when TIBA was applied in the middle of the internode and IAA was applied onto the top of the internode. The differential effect of NPA and TIBA on stem swelling in <em>B. calycinum</em> is discussed in relation to their differential mode of action on auxin transport.


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