Descriptions of Types of Principal American Varieties of Onions
Author: Roy Magruder
Publisher:
Published: 1941
Total Pages: 92
ISBN-13:
DOWNLOAD EBOOKRead and Download eBook Full
Author: Roy Magruder
Publisher:
Published: 1941
Total Pages: 92
ISBN-13:
DOWNLOAD EBOOKAuthor:
Publisher:
Published: 1941
Total Pages: 96
ISBN-13:
DOWNLOAD EBOOKAuthor: Roy Magruder
Publisher:
Published: 1941
Total Pages: 87
ISBN-13:
DOWNLOAD EBOOKAuthor: R. Magruder
Publisher:
Published: 1941
Total Pages: 87
ISBN-13:
DOWNLOAD EBOOKImportant considerations in comparing onion varieties or strains with type descriptions or standards; Influence of environment on varietal characters; Developmental history of shape in the onion; Distinguishing varietal characteristics.
Author: Roy Magruder
Publisher: Forgotten Books
Published: 2017-10-27
Total Pages: 98
ISBN-13: 9781528227605
DOWNLOAD EBOOKExcerpt from Descriptions of Types of Principal American Varieties of Onions As the title suggests, the Object of this publication is to describe, as accurately and definitely as possible, the general form or structure of the most important varieties of onions (allium cepa L.) grown in the United States in 1938. Insofar as possible, informa tion is also given on the relative importance Of varieties for specific purposes and geographical regions, on their resistance to diseases and insects, and their reaction to different environments. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author:
Publisher:
Published: 1998
Total Pages: 84
ISBN-13:
DOWNLOAD EBOOKAuthor: Ellen Kay Miller
Publisher:
Published: 1992
Total Pages: 122
ISBN-13:
DOWNLOAD EBOOKAuthor: J. Janick
Publisher: Springer Science & Business Media
Published: 2012-12-06
Total Pages: 411
ISBN-13: 1468488961
DOWNLOAD EBOOKPlant breeding, the domestication and systematic improvement of crop species, is the basis of past and present agriculture. Our so called primitive progenitors selected practically all our present-day crop plants, and the improvement wrought through millenia of selection has so changed some of them that in many cases their links to the past have been obliterated. There is no doubt that this ranks among the greatest of human achievements. Although plant breeding has been a continuous empirical activity for as long as humans have forsaken the vagaries and thrill of hunting for the security and toil of agriculture, genetic crop improvement is now very much of a twentieth-century discipline. Its scientific underpinnings date to the beginning of this century with the discovery of Gregor Mendel's classic 1865 paper on the inheritance of seven characters in the garden pea. If any science can be traced to single event, the best example is surely found in the conception of modern genetics that appears in this single creative work. The relationship of plant breeding progress to advances in genetics has become closely entwined. Mendel himself was concerned with crop improvement and worked on schemes for apple and pear breeding. Plant breeding also has claims on other scientific and agricultural disci plines-botany, plant pathology, biochemistry, statistics, taxonomy, entomology, and cytology, to name a few-and has also impinged on our social, ethical, economic, and political consciousness.
Author: James L. Brewster
Publisher: CABI
Published: 2008-01-01
Total Pages: 456
ISBN-13: 1845936221
DOWNLOAD EBOOKRelates the production and utilization of onions and other vegetable allium crops to the many aspects of plant science underpinning their production and storage technologies. This book covers species and crop types, plant structure, genetics and breeding, physiology of growth and development as well as pests and diseases.
Author: Roy Magruder
Publisher:
Published: 1938
Total Pages: 582
ISBN-13:
DOWNLOAD EBOOK