Paths of Pollen

Paths of Pollen PDF

Author: Stephen Humphrey

Publisher: McGill-Queen's Press - MQUP

Published: 2023-10-15

Total Pages: 257

ISBN-13: 0228019605

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A tiny organism called pollen pulls off one of nature’s key tasks: plant reproduction. Pollination involves a complex network of different species interacting with one another and mutually adapting to their ecosystems, which are constantly changing. Some pollen grains require just a puff of wind to set them in motion, but most plants depend on creatures gifted with mobility. These might be birds, bats, reptiles, or insects including butterflies, beetles, flies, wasps, and over twenty thousand species of bee. In Paths of Pollen Stephen Humphrey asks readers to imagine a tipping point where plants and pollinators can no longer adapt to stressors such as urbanization, modern agriculture, and global climate change. Illuminating the science of pollination ecology through evocative encounters with biologists, conservationists, and beekeepers, Humphrey illustrates the significance of pollination to such diverse concerns as food supply, biodiversity, rising global temperatures, and the resilience of landscapes. As human actions erase habitats and raise the planet’s temperature, plant diversity is dropping and a growing list of pollinators faces decline or even extinction. Paths of Pollen chronicles pollen’s vital mission to spread plant genes, from the prehistoric past to the present, while looking towards an ecologically uncertain future.

Annual Plant Reviews, Plant Cell Separation and Adhesion

Annual Plant Reviews, Plant Cell Separation and Adhesion PDF

Author: Jeremy A. Roberts

Publisher: John Wiley & Sons

Published: 2008-04-15

Total Pages: 232

ISBN-13: 0470994258

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Cell separation is an important process that occurs throughout the life cycle of a plant. It enables the radicle to emerge from the germinating seed, vascular tissue to differentiate, sculpturing of leaves and flowers to take place, pollen to be shed from the mature anther, fruit to soften, senescent and non-functional organs to be lost, and seeds to be shed. In addition to its intrinsic scientific interest, many of the developmental processes to which it contributes have importance for agriculture and horticulture. This is the first volume to focus exclusively on these processes and to link improvements in our scientific understanding with methods that may allow us to manipulate cell separation and adhesion to the benefit of the agricultural and horticultural industries. It will therefore be of interest to the experimental scientist and to those who wish to apply these techniques commercially.

Blessingway

Blessingway PDF

Author: Leland C. Wyman

Publisher: University of Arizona Press

Published: 1970-02-01

Total Pages: 689

ISBN-13: 0816544050

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An outstanding work crafted from the handwritten pages of translations from the Navajo of the late Father Berard Haile giving three separate versions of the Blessingway rite with each version consisting of a prose text accompanied by the ritual songs and prayers. Valuable insights into the character and use of the Blessingway rite; its ceremonial procedures, its mythology, and its drypaintings.

POLLEN

POLLEN PDF

Author: PAKENHAM. EDGEWORTH

Publisher:

Published: 2018

Total Pages: 0

ISBN-13: 9781033336274

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Pollen (1877)

Pollen (1877) PDF

Author: Michael Pakenham Edgeworth

Publisher:

Published: 2008-06

Total Pages: 120

ISBN-13: 9781436621663

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This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.

Physiology, Promiscuity And Prophecy At The Millennium: A Tale Of Tails

Physiology, Promiscuity And Prophecy At The Millennium: A Tale Of Tails PDF

Author: Bruce J West

Publisher: World Scientific

Published: 1999-12-06

Total Pages: 452

ISBN-13: 9814495093

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This book concerns the development of a theory of complex phenomena; using such concepts as fractals; chaos; and fractional derivatives; but; most important; the idea of an allometric control process is developed. In summary the theory attempts to explain why the distribution in the intensity of wars is the same as the relative frequency of the number of words used in languages and the number of species evolved over time from one or a few remote ancestors. The theory also describes the similarity in the variability of the number of births to teens in Texas to the number of sexual partners in homosexual liaisons. The data in both of the aforementioned categories are shown to have long-term memory; and it is this memory that also gives rise to inverse power laws in such physiological phenomena as the interbeat interval distribution of the human heart; the interstride interval distribution in the human gait; and memory in DNA sequences.

Physiology of Cotton

Physiology of Cotton PDF

Author: James McD. Stewart

Publisher: Springer Science & Business Media

Published: 2009-11-04

Total Pages: 573

ISBN-13: 9048131952

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Cotton production today is not to be undertaken frivolously if one expects to profit by its production. If cotton production is to be sustainable and produced profitably, it is essential to be knowledgeable about the growth and development of the cotton plant and in the adaptation of cultivars to the region as well as the technology available. In addition, those individuals involved in growing cotton should be familiar with the use of management aids to know the most profitable time to irrigate, apply plant growth regulators, herbicides, foliar fertilizers, insecticides, defoliants, etc. The chapters in this book were assembled to provide those dealing with the production of cotton with the basic knowledge of the physiology of the plant required to manage the cotton crop in a profitable manner.