Meet the editors

Ana Maria Gonzalez is the director of the Northeast Botanical Institute, where she is an independent researcher in the Career of Scientific Researcher of CONICET. She is also in charge of the Plant Anatomy Laboratory at the Institute. Her teaching career includes being a Professor of Biology at the Universidad Nacional del Chaco Austral (Saenz Peña, Chaco, Argentina), and of Vascular Plant Morphology, Faculty of Agriculture. National

University of the Northeast (Corrientes, Argentina). She is a postgraduate professor in the master's and doctorate courses of the Cs. Agrarias Faculty, with numerous courses on anatomy and histological and bio-imaging techniques. She has seventy-five published works and more than 120 papers presented at national congresses and seventeen in foreign countries.

María Victoria Rodriguez currently works at the Facultad de Ciencias Bioquímicas y Farmaceúticas (FBIOYF), Rosario National University. She is an assistant researcher at the Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) of Argentina. She is an adjunct professor of Pharmacobotany for Pharmaceuticals students and Cell Differentiation and Structure of Vascular Plants for bachelor students in Biotechnology. Dr.

Rodriguez has presented more than sixty works at scientific-technological events and has twenty-eight publications on topics related to plant anatomy, pest biocontrol, bioinformatics, and botany (medicinal plants). Dr. Rodriguez has twenty-five postgraduate courses and/or trainings on the subjects of her specialization. She is a reviewer of international journals and book chapters related to plant anatomy, medicinal plants, and biocontrol.

Nihal Gören Sağlam obtained a Bsc (1995–2000), Msc (2001– 2004), and PhD (2004–2009) in Plant Physiology from Istanbul University's Department of Biology. From 2002 to 2009 she was a research assistant at Istanbul University, Department of Botany. From 2010 to 2011 she was a post-doctoral researcher at Warwick University, School of Life Sciences, UK. Since 2009 she has worked as a research assistant doctor at Istanbul University in the

Department of Botany. Her research experience/interests include plant physiology, senescence hormone interactions, stress senescence interactions, microarrays, gene expression, protein–DNA interactions (Yeast one-hybrid), and confocal microscopy. She has had training as a post-doctoral researcher (2010–2011) at the School of Life Sciences, Warwick University, UK, (Tubitak Grant); an academic visitor (2008; 6 months) at Warwick HRI, UK; "Molecular Aspects of Salt and Drought Tolerance in Crops (Plants)" (2007) at the University of Cairo, Giza, Egypt (ICGEB Grant); and an academic visitor (2006; 3 months) at Warwick HRI, UK.

Contents

*by Marcelo R. Pace*

Tolerance

Senescence

**Preface III**

**Chapter 1 1**

**Chapter 2 21**

**Chapter 3 35**

**Chapter 4 47**

**Chapter 5 61**

**Chapter 6 81**

**Chapter 7 89**

Ethiopian Common Medicinal Plants: Their Parts and Uses in Traditional

Phytohormone-Mediated Homeostasis of Root System Architecture

Cross Talk among Phytohormone Signal and Carbohydrate Metabolism Involving Regenerable Calli Induction under Osmotic Treatment

Jasmonates: An Emerging Approach in Biotic and Abiotic Stress

*by Shivani Lalotra, Akhouri Hemantaranjan, Bhudeo Rana Yashu,* 

A Regulatory Circuit Integrating Stress-Induced with Natural Leaf

Leaf Senescence in Wheat: A Drought Tolerance Measure

*by Otto Teixeira Fraga, Bruno Paes de Melo, Luiz Fernando de Camargos, Debora Pellanda Fagundes, Celio Cabral Oliveira, Eduardo Bassi Simoni, Pedro Augusto Braga dos Reis and Elizabeth Pacheco Batista Fontes*

Phloem: Cell Types, Structure, and Commercial Uses

*by Dongyang Xu and Masaaki K. Watahiki*

*by Hsiang-Ting Lee and Wen-Lii Huang*

*Rupanshee Srivastava and Sandeep Kumar*

*by Hafsi Miloud and Guendouz Ali*

Medicine - Ecology and Quality Control *by Admasu Moges and Yohannes Moges*
