scholarly journals Long-Day Induced Bud Break in Salix pentandra Is Associated with Transiently Elevated Levels of GA1 and Gradual Increase in Indole-3-Acetic Acid

1997 ◽  
Vol 38 (5) ◽  
pp. 536-540 ◽  
Author(s):  
J. E. Olsen ◽  
O. Junttila ◽  
T. Moritz
Keyword(s):  
Acetic Acid ◽  
Gradual Increase ◽  
Bud Break ◽  
Long Day ◽  
Salix Pentandra ◽  
Indole 3 Acetic Acid

Daylength affects both free and conjugated indole-3-acetic acid levels in leaves and flowering in Doritis pulcherrima (orchid)

2004 ◽  
Vol 84 (3) ◽  
pp. 881-883
Author(s):  
Chiung-Kuei Huang, Wen-Shaw Chen ◽  
Yun-An Chen
Keyword(s):  
Acetic Acid ◽  
Key Words ◽  
Floral Initiation ◽  
Short Day ◽  
Long Day ◽  
Photoperiodic Treatment ◽  
High Level ◽  
Indole 3 Acetic Acid ◽  
Iaa Conjugates

Total indole-3-acetic acid (IAA) levels (free IAA plus IAA conjugates) in Doritis pulcherrima (Doritis pulcherrima Lindley, cv. S 84-335-2) leaves were threefold lower in plants exposed to 30 d of short-day (SD) conditions than in plants exposed to 30 d of long-day (LD) conditions. Free IAA levels were also significantly lower in SD-treated leaves than those in 0 day of photoperiodic treatment and 30 d of LD. Results indicate that plants exposed to 30 d of SD contained significantly higher levels of ester-IAA and reduced amide-IAA concentrations compared to those grown under LD conditions. A high level of ester-IAA and a reduction of amide-IAA in leaves may be related to increased SD floral initiation ability in D. pulcherrima. Key words: Doritis pulcherrima, floral initiation, indole-3-acetic acid, photoperiod

Evaluation of Kinetic Parameters at the Transport of Indole-3-acetic Acid Through Bulk Liquid Membranes

2017 ◽  
Vol 68 (5) ◽  
pp. 903-907
Author(s):  
Ecaterina Anca Serban ◽  
Ioana Diaconu ◽  
Elena Ruse ◽  
Georgiana Ileana Badea ◽  
Adriana Cuciureanu ◽  
...  
Keyword(s):  
Acetic Acid ◽  
Kinetic Parameters ◽  
Trioctylphosphine Oxide ◽  
Bulk Liquid ◽  
Transport Parameters ◽  
Kinetics Parameters ◽  
First Order ◽  
Phase Concentration ◽  
Feed Phase ◽  
Indole 3 Acetic Acid

Indole-3-acetic acid is a growth phytohormone considered the most important representative of auxin class. This paper presents the assessment of some kinetic parameters in the process of transport of indole-3-acetic acid taking into consideration the kinetic model of consecutive irreversible first order reactions. It was pursued the influence upon the process of parameters such as: feed phase concentration, stripping phase concentration in the presence of two type carriers: tributyl phosphate (TBP) and trioctylphosphine oxide (TOPO). Depending on these transport parameters were calculated kinetics parameters such as: pseudo-first-order apparent membrane entrance and exit rate constants, the maximum flux at the entrance and exit out of the membrane. The highest values of the transport flux is obtained in the presence of carrier trioctylphosphine oxide (TOPO) at the concentration in the feed phase of 10-4 mol/L indole-3-acetic acid and a concentration of 10--2mol/L NaOH in the stripping phase.

Production of Indole-3-Acetic Acid by Cyanobacterial Strains

2017 ◽  
Vol 7 (2) ◽  
pp. 112-120 ◽  
Author(s):  
Nazia Ahmad ◽  
Tasneem Fatma
Keyword(s):  
Acetic Acid ◽  
Indole 3 Acetic Acid
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