\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{nadjjj\_06} \pdfinfo{ /Title (plant-hormones.pdf) /Creator (Cheatography) /Author (nadjjj\_06) /Subject (PLANT HORMONES Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{77DD77} \definecolor{LightBackground}{HTML}{F6FCF6} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{PLANT HORMONES Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{nadjjj\_06} via \textcolor{DarkBackground}{\uline{cheatography.com/182191/cs/37899/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}nadjjj\_06 \\ \uline{cheatography.com/nadjjj-06} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Not Yet Published.\\ Updated 25th March, 2023.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{2} \begin{tabularx}{8.4cm}{x{5.2 cm} x{2.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{HORMONE}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{Greek: hormon}} & to excite \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Naturally occurring, signalling molecules that exert a profound influence on physiological processes} \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Produced in tiny amounts by one part of an organism's body and transported to other parts, where it binds to a specific receptor and triggers responses in target cells and tissues.} \tn % Row Count 7 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Phytohormones}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Principal means of intercellular communication within plants} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Produced within plants, and are effective at extremely low concentrations} \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Transported to different parts of the plants to perform various physiological functions} \tn % Row Count 6 (+ 2) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Plant hormones control growth, flowering, fruiting, aging, and even death.} \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Effect of a particular hormone is concentration dependent; hormones may have different effects at different concentrations.} \tn % Row Count 11 (+ 3) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Like animal hormones, plant hormones affect target cells via receptor proteins.} \tn % Row Count 13 (+ 2) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Plants regulate levels of hormones by altering precursors, transport, inactivation, breakdown, or storage.} \tn % Row Count 16 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{TYPES OF PHYTOHORMONES}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{auxin} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{gibberilins} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{cytokinins} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Ethylene} \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Abscissic Acid} \tn % Row Count 5 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Brassinosteroids} \tn % Row Count 6 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Strigolactones} \tn % Row Count 7 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.12 cm} x{4.88 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{AUXIN}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{AUXIN: THE GROWTH HORMONES} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Auxin was the first plant hormone to be discovered.} \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} Greek word auxein & means "to increase or to grow." \tn % Row Count 5 (+ 2) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Enlargement of plant cells.} \tn % Row Count 6 (+ 1) % Row 4 \SetRowColor{LightBackground} \seqsplit{Indole-3-acetic} acid (IAA) & is the most widely distributed natural auxin \tn % Row Count 8 (+ 2) % Row 5 \SetRowColor{white} Promotes production of & Shoot apical meristems \tn % Row Count 10 (+ 2) % Row 6 \SetRowColor{LightBackground} & young leaves \tn % Row Count 11 (+ 1) % Row 7 \SetRowColor{white} & root tips \tn % Row Count 12 (+ 1) % Row 8 \SetRowColor{LightBackground} & germinating seeds \tn % Row Count 13 (+ 1) % Row 9 \SetRowColor{white} & fruits \tn % Row Count 14 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{1.6 cm} x{6.4 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{PHYSIOLOGICAL EFFECTS OF AUXIN}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Auxins promote cell elongation of stems and coleoptiles}}} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{Coleoptile} & is the pointed protective sheath covering the emerging shoot of monocots \tn % Row Count 5 (+ 3) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Phototropism is mediated by the lateral redistribution of auxin}}} \tn % Row Count 7 (+ 2) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\bf{Gravitropism involves lateral redistribution of auxin}}} \tn % Row Count 9 (+ 2) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Auxin promotes apical dominance}}} \tn % Row Count 10 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\bf{Auxin promotes the formation of lateral and adventitious roots}}} \tn % Row Count 12 (+ 2) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Auxin delays the onset of leaf abscision}}} \tn % Row Count 13 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{When the level of auxin declines, a special layer of cells — the abscission layer — forms at the base of the petiole.} \tn % Row Count 16 (+ 3) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Auxin promotes fruit development}}} \tn % Row Count 17 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.96 cm} x{5.04 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Gibberellins}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Gibberellins: Regulators of Plant Height} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} discovered by & Ewiti Kurosawa \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} Causes & Internodal elongation known as the 'bakanae' or 'foolish seedling' disease of rice \tn % Row Count 6 (+ 4) % Row 3 \SetRowColor{white} Isolated from & fungus (Gibberella fujikuroi) \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Stimulate stem elongation} \tn % Row Count 9 (+ 1) % Row 5 \SetRowColor{white} Promotes PRODUCTION of: & Meristems of apical buds and roots, \tn % Row Count 11 (+ 2) % Row 6 \SetRowColor{LightBackground} & young leaves \tn % Row Count 12 (+ 1) % Row 7 \SetRowColor{white} & developing seeds \tn % Row Count 13 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{PHYSIOLOGICAL EFFECTS OF GIBBERELLINS}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Gibberellins Stimulate Stem Growth in Plants.}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Gibberellin application results in bolting (stem growth)} \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{"Foolish rice" seedlings, suffer from an overdose of gibberellins normally found in plants in lower concentrations} \tn % Row Count 6 (+ 3) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\bf{Gibberellins promote fruit set and parthenocarpy}}} \tn % Row Count 8 (+ 2) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{GA promote early seed development and germination.}}} \tn % Row Count 10 (+ 2) % Row 5 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Gibberellins mobilize nutrients during seed germination} \tn % Row Count 12 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.84 cm} x{4.16 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Cytokinins : Regulators of Cell Division}} \tn % Row 0 \SetRowColor{LightBackground} Discovered in the search for? & factors that stimulate plant cells to divide \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} The most common natural cytokinin is? & Zeatin, \tn % Row Count 5 (+ 2) % Row 2 \SetRowColor{LightBackground} because it was discovered first in? & (Zea mays) \tn % Row Count 7 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{PHYSIOLOGICAL EFFECTS OF CYTOKININS}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Auxin :Cytokinin regulates root and short initiation in callus tissues}}} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\bf{Cytokinin stimulates the Growth Of Axillary Buds}}} \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Cytokinins Delay Leaf Senescence}}} \tn % Row Count 5 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Leaf senescence is delayed in a transgenic tobacco plant containing a cytokinin biosynthesis gene, ipt. The ipt gene is expressed in response to signals that induce senescence.} \tn % Row Count 9 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Ethylene: The Gaseous Hormone}} \tn % Row 0 \SetRowColor{LightBackground} Discovered in the early & 1900s \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} as a ? & fruit ripening \tn % Row Count 3 (+ 1) % Row 2 \SetRowColor{LightBackground} Not required for? & normal vegetative growth \tn % Row Count 5 (+ 2) % Row 3 \SetRowColor{white} Synthesized primarily in? & in response to stress and may be produced in large amounts by tissues undergoing senescence or ripening \tn % Row Count 10 (+ 5) % Row 4 \SetRowColor{LightBackground} Promotes production of? & Fruit ripening \tn % Row Count 12 (+ 2) % Row 5 \SetRowColor{white} & Senescence \tn % Row Count 13 (+ 1) % Row 6 \SetRowColor{LightBackground} & Leaf abscission \tn % Row Count 14 (+ 1) % Row 7 \SetRowColor{white} & Wounds and stress \tn % Row Count 15 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.92 cm} x{4.08 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{PHYSIOLOGICAL EFFECTS OF Ethylene}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Ethylene stimulates fruit ripening.}}} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Fruits that ripen in response to ethylene exhibit a characteristic respiratory rise called climacteric before the ripening phase} \tn % Row Count 4 (+ 3) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Ethylene triggers ripening, and ripening triggers more ethylene production-a rare example of positive feedbackmechanism} \tn % Row Count 7 (+ 3) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{As apples ripen, they release ethylene. Over- ripened apples release the hormone in high amounts, causing other apples stored nearby to ripen faster and rot sooner.} \tn % Row Count 11 (+ 4) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\bf{Ethylene promotes senescence and leaf abscission.}}} \tn % Row Count 13 (+ 2) % Row 5 \SetRowColor{white} & auxin from the leaf prevents abscission \tn % Row Count 15 (+ 2) % Row 6 \SetRowColor{LightBackground} & the amount of auxin from the leaf decreases and the ethylene level rises \tn % Row Count 19 (+ 4) % Row 7 \SetRowColor{white} & Synthesis of enzyme that hydrolyze the cell wall polysaccharides, resulting in cell separation and leaf abscission \tn % Row Count 25 (+ 6) % Row 8 \SetRowColor{LightBackground} {\bf{Ethylene instigates triple response}} & slowing of stem elongation \tn % Row Count 28 (+ 3) % Row 9 \SetRowColor{white} & thickening of the stem \tn % Row Count 30 (+ 2) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{3.92 cm} x{4.08 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{PHYSIOLOGICAL EFFECTS OF Ethylene (cont)}} \tn % Row 10 \SetRowColor{LightBackground} & Curvature that causes the stem to start growing horizontally \tn % Row Count 3 (+ 3) % Row 11 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{{\bf{Ethylene regulates epinasty}}} \tn % Row Count 4 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Abscisic Acid}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Abscisic Acid: A Seed Maturation and Antistress Signal} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Accumulates as a response to stressful environmental conditions, such as dehydration, cold temperatures, or shortened day lengths} \tn % Row Count 5 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{PHYSIOLOGICAL EFFECTS OF AA}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{Abscissic acid induces seed and bud dormancy}} & ABA induces dormancy in seeds by blocking germination and promoting the synthesis of storage proteins \tn % Row Count 6 (+ 6) % Row 1 \SetRowColor{white} & ABA accumulates in dormant buds as an adaptive feature in cold climates \tn % Row Count 10 (+ 4) % Row 2 \SetRowColor{LightBackground} {\bf{ABA Closes Stomata in Response to Water Stress}} & ABA binding leads to influx of Calcium and the opening of potassium channel \tn % Row Count 14 (+ 4) % Row 3 \SetRowColor{white} & Potassium ions exits the guard cells and water follows. Guard cells become flaccid, closing the stomatal aperture \tn % Row Count 20 (+ 6) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.4 cm} x{5.6 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Strigolactones}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Strigolactones are signaling compounds made by plants.} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} 2 Main functions: & as endogenous hormones to control plant development \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} & as components of root exudates to promote symbiotic interactions between plants and soil microbes. \tn % Row Count 8 (+ 4) % Row 3 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Some plants that are parasitic on other plants have established a third function, which is to stimulate germination of their seeds when in close proximity to the roots of a suitable host plant.} \tn % Row Count 12 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Brassinosteroids}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Brassinosteroids (BRs) as a class of steroid plant hormones participate in the regulation of numerous developmental processes, including root and shoot growth, vascular differentiation, fertility, flowering, and seed germination.} \tn % Row Count 5 (+ 5) % Row 1 \SetRowColor{white} \mymulticolumn{2}{x{8.4cm}}{Brassinosteroids (BR) and gibberellins (GA) promote seed germination of these species and counteract the germination-inhibition by abscisic acid (ABA).} \tn % Row Count 9 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}