marni mcdade

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Planting the seeds « Botany One

Plant growth and development is a foundation concept in the science curriculum. Focus on plant characteristics and life cycles in early grades is …

Why plants are fascinating : I was introduced to Botany only …

<b>Why plants are fascinating</b> : I was introduced to Botany only for the last few years. The more I read about plants, the more I was amazed. To start with I read about how complex some of the genomes were. While this itself did not mean anything, it was something that drew me into reading about plants. Here is a compendium of flora-related information which has surprised and delighted me! We now know plants use the quantum nature of light and harness the power of our star, they communicate using …

BBC Radio 4 - In Our Time, Photosynthesis

<b>READING LIST:</b><p>David Beerling, <i>The Emerald Planet: How Plants Changed Earth’s History</i> (Oxford University Press, 2008)<p>Robert E. Blankenship, <i>Molecular Mechanisms of Photosynthesis</i> (Wiley-Blackwell, 2014)<p>Govindjee, J. T. Beatty, H. Gest, J. F. Allen (eds.), <i>Discoveries in Photosynthesis</i> (Springer, …

Spotlight on macronutrients: Stressed-out sulphur… « Botany One

Amongst its many roles in plants, sulphur (S) is found in two of the 20 standard amino acids that form proteins, namely cysteine and methionine, and …

An underground tale: contribution of microbial activity to plant iron acquisition « Botany One

Iron (Fe) is an essential nutrient for plants, and it serves as a cofactor for a wide variety of cellular processes, such as oxygen transport, …

Leafsnap: An Electronic Field Guide « Botany One

Leafsnap is the first in a series of electronic field guides being developed by researchers from Columbia University, the University of Maryland, and …

Why small seeds require light to germinate « Botany One

Seed responses to light can control the timing of germination in the field, impacting seedling survival, as well as growth and fitness in subsequent …

Shoot development in alfalfa plants competing for light « Botany One

Leaf area largely determines light interception and transpiration in plants. An increase in crop leaf area over time depends on variables at …

Spotlight on macronutrients: Touchy-feely calcium… « Botany One

Most essential plant nutrients exert their roles when integrated into organic compounds and macromolecular structures – e.g. nitrogen and sulphur …

Genetic diversity and mating system of autopolyploid Vicia « Botany One

<i>Vicia cracca</i> (vetch, Fabaceae) is a perennial herb with a contact zone of diploids and tetraploids in Central Europe. <b>Eliášová et al.</b> study genetic …

Carnivory and photosynthesis in sundew « Botany One

Carnivorous plants grow in nutrient-poor habitats and obtain a substantial amount of nutrients from prey. <b>Pavlovič et al.</b> examine the full capture …

Spotlight on macronutrients (…and finally): Magnesium and a food fight… « Botany One

Whilst incorporation of essential elements into the body of the plant is undoubtedly important for and to the wellbeing of the plant, their presence …