scholarly journals Comparing the Effects of Benzyladenine and meta-Topolin on Sweet Basil (Ocimum basilicum) Micropropagation

2014 ◽  
Vol 6 (4) ◽  
pp. 422-427 ◽  
Author(s):  
Szidónia KŐSZEGHI ◽  
Csaba BERECZKI ◽  
Adalbert BALOG ◽  
Klára BENEDEK
Keyword(s):  
Root Growth ◽  
Growth Inhibition ◽  
Growth Parameters ◽  
High Volume ◽  
Ocimum Basilicum ◽  
Root Growth Inhibition ◽  
Optimum Level ◽  
Sweet Basil ◽  
Aromatic Cytokinin ◽  
Micro Propagation

Micropropagation of aromatic plants reveals an effective way of obtaining high volume, virus-free plant material of uniform quality. The application of meta-Topolin (mT) (N6-(2-hydroxybenzyl) adenine-9-riboside) and aromatic cytokinin as Benzyladenine (BAP) in the micro propagation of sweet basil (Ocimum basilicum L.) was tested for the first time and plant growth parameters assessed to determine the optimum level of these cytokinins. Additionally, the rate of root-growth inhibition due to these two cytokinins was also assessed. Our results show that 1 mg/l (4.43 mM) BAP and 0.5 mg/l (2.07 mM)mT produced the most favourable effects on new shoot developments. Meta-Topolin was shown to increase the quality of the plants and in comparison with BAP fewer distortions were observed. No significant differences in root-growth inhibition between the mT and BAP were detected.  

scholarly journals Phyto-toxic Influence of an Atrazine-based Selective Herbicide – Arda-force® on Onions (Allium cepa L)

2020 ◽  
pp. 40-46
Author(s):  
Doris Fovwe Ogeleka ◽  
Esther Obasi
Keyword(s):  
Root Growth ◽  
Growth Inhibition ◽  
Allium Cepa ◽  
Environmental Protection Agency ◽  
Toxic Effects ◽  
Root Growth Inhibition ◽  
Allium Cepa L ◽  
Test Concentration ◽  
Maximum Root ◽  
Selective Herbicide

Introduction: The constant impact on the environment occasioned by pollution, indiscriminate application of agricultural chemicals, security challenges and crisis in the Niger Delta ecological area of Nigeria has caused severe damage to plants, soil organisms and humans. Aim and Methodology: In this research, onions (Allium cepa L) was exposed to varying concentrations of an atrazine-based selective herbicide Arda-force® to estimate the phyto-toxic effects on the plant species using the Organization for Economic Co-operation and Development, (OECD) protocol #208. Results: The mean effective concentration (EC50) using root growth inhibition produced indications of phyto-toxicity to the exposed species at a concentration of 0.55 ± 0.06 mg/L. Similarly, the maximum root growth inhibition efficiency relative to the control was 65% as recorded in the highest test concentration of 1.25 mg/L. Discussion: The study indicated that constant application / indiscriminate use of the herbicide Arda-force® could cause deleterious influence on these plant and vegetable species, daily consumed by humans as a rich source of anti-oxidants. Conclusion: This study concluded that atrazine-based herbicide Arda-force® used in this assessment resulted in phyto-toxic effects to Allium cepa L. At the exposed concentrations of the herbicide to non-target specie – Allium cepa L. that are integral parts of the ecosystems, the ‘‘harmless’’ status of atrazine acclaimed by the United State Environmental Protection Agency (USEPA) is still very much in doubt.

Interplay between 1-aminocyclopropane-1-carboxylic acid, γ-aminobutyrate and D-glucose in the regulation of high nitrate-induced root growth inhibition in maize

Plant Science ◽  
2020 ◽  
Vol 293 ◽  
pp. 110418
Author(s):  
Iñigo Saiz-Fernández ◽  
Maite Lacuesta ◽  
Usue Pérez-López ◽  
M. Carmen Sampedro ◽  
Ramon J. Barrio ◽  
...  
Keyword(s):  
Carboxylic Acid ◽  
Root Growth ◽  
Growth Inhibition ◽  
Root Growth Inhibition

scholarly journals The mechanism of root growth inhibition by the endocrine disruptor bisphenol A (BPA)

2020 ◽  
Vol 257 ◽  
pp. 113516 ◽  
Author(s):  
Ramin Bahmani ◽  
DongGwan Kim ◽  
Mahsa Modareszadeh ◽  
Andrew J. Thompson ◽  
Jeong Hoon Park ◽  
...  
Keyword(s):  
Bisphenol A ◽  
Root Growth ◽  
Growth Inhibition ◽  
Endocrine Disruptor ◽  
Root Growth Inhibition

Soybean root growth inhibition and lignification induced by p-coumaric acid

2009 ◽  
Vol 66 (1) ◽  
pp. 25-30 ◽  
Author(s):  
Daniele Iara Lucca Zanardo ◽  
Rogério Barbosa Lima ◽  
Maria de Lourdes Lucio Ferrarese ◽  
Gisele Adriana Bubna ◽  
Osvaldo Ferrarese-Filho
Keyword(s):  
Root Growth ◽  
Growth Inhibition ◽  
Root Growth Inhibition ◽  
Coumaric Acid ◽  
Soybean Root
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