Contents


Preface

This book presents comprehensive information on plant anatomy, physiology, and morphogenesis as well as the conditions of the different environments to which plants are exposed. It highlights the importance of knowledge of the anatomy of plant tissues for different applications. In addition to the variety of physiological studies presented here, the book also emphasizes anatomical studies in botanical quality control of medicinal herbs with human health

Chapter 1, by Marcelo Pace (Mexico), describes in detail the origin and structure of phloem and its cell types. The author, in addition to analyzing the composition of phloem in different groups of plants, highlights some of the known commercial

Several contributions deal with the relationship between various hormones with processes in plants, both ex vitro and in vitro, and under different conditions of stress. The chapter by Dongyang Xu (China) and Masaaki Watahiki (Japan) introduces the development of root systems regulated by various phytohormones like auxin, cytokinin, and others. In their chapter, Hsiang-Ting and Wen-Lii, Huang (Taiwan) study the relationship between endogenous phytohormone signals and carbohydrate metabolism during regenerable callus induction induced by osmotic stress in rice. Based on the prolific role of jasmonates and their derivatives in different fields of biological sciences, Shivani Lalotra, A. Hemantaranjan, B. R. Yashu, R. Srivastava, and S. Kumar (India), in their chapter, discuss these phytohormones in terms of future agricultural, biotechnological, and physiological research. The onset of leaf senescence is a highly regulated developmental program that is controlled by both genetics and the environment. Otto Teixeira Fraga, B. Paes de Melo, L. Fernando de Camargos, D. Pellanda Fagundes, C. Cabral Oliveira, E. Bassi Simoni, Pedro A. Braga dos Reis, and E- Pacheco Batista Fontes (Brazil) analyze a regulatory circuit integrating stress-induced with natural leaf

Hafsi M. and Guendouz A. (Algeria) evaluate the performance of some durum wheat genotypes and test the efficiency of using senescence parameters in screening

benefits.

uses of this tissue.

senescence.

under semi-arid conditions.
