To see accurate pricing, please choose your delivery country.
 
 
United States
£ GBP
All Shops
We're still open for business - read our Brexit and Covid-19 statements

British Wildlife

8 issues per year 84 pages per issue Subscription only

British Wildlife is the leading natural history magazine in the UK, providing essential reading for both enthusiast and professional naturalists and wildlife conservationists. Published eight times a year, British Wildlife bridges the gap between popular writing and scientific literature through a combination of long-form articles, regular columns and reports, book reviews and letters.

Subscriptions from £40 per year

Conservation Land Management

4 issues per year 44 pages per issue Subscription only

Conservation Land Management (CLM) is a quarterly magazine that is widely regarded as essential reading for all who are involved in land management for nature conservation, across the British Isles. CLM includes long-form articles, events listings, publication reviews, new product information and updates, reports of conferences and letters.

Subscriptions from £18 per year
Academic & Professional Books  Botany  Plants & Gardens

The Tentative Classified List and International Register of Dahlia Names 1969

By: The Royal Horticultural Society (RHS)(Author)
315 pages, no illustrations
The Tentative Classified List and International Register of Dahlia Names 1969
Click to have a closer look
  • The Tentative Classified List and International Register of Dahlia Names 1969 ISBN: 9781874431350 Paperback Dec 1969 Usually dispatched within 5 days
    £7.99
    #177033
Price: £7.99
About this book Customer reviews Related titles

About this book

For some years there has been general agreement about the need for an international registration system for names of dahlia cultivars, because of the large number of new cultivars produced each year and the confusion which has arisen when two distinct cultivars are given the same name, or when one cultivar is given different names by growers in different countries. Discussions about the appointment of an International Registration Authority for Dahlia Names took place at the 16th International Horticultural Congress in Brussels in 1962 and subsequently at the Congress in Maryland in 1966, when The Royal Horticultural Society was appointed I.R.A.

The Society had for many years maintained an index of dahlia names amounting to several thousand but the first task of the l.R.A.was to secure international agreement to a classification system. The Society is most grateful for the cooperation in preparing and agreeing the classification, which appears on page vi, given by those interested in Dahlias throughout the world and in particular for the help provided by the National Dahlia Society in this country and the respective Societies in Holland and the U.S.A. The classification finally agreed is based on ten Groups: some difficulty was found in agreeing a further sub-division of some of these Groups according to size, as this factor depends on such considerations as cultivation, climate and soil. Such a subdivision was thought to be desirable, however, more particularly for show purposes and it was finally decided to include these subdivisions (also set out on page vi), it being understood that the category indicated is that of the cultivar in its country of origin, from information received from that country. National Societies, when preparing show schedules, should bear this point in mind and make any adjustments necessary.

Having obtained general acceptance of the classification for international use as opposed to national show purposes, the I.R.A. asked national organisations to supply lists of dahlias in cultivation and such lists were submitted by organisations in Belgium, Denmark, France, Holland, Israel, the U.S.A., Western Australia and West Germany. The I.R.A. is indebted to those who compiled these national lists.

The names thus obtained have been correlated with the records already held by this Society and names have also been obtained from current catalogues. This Tentative Classified List and International Register of Dahlia Names is the result. Though it is not claimed that errors have been entirely eliminated, it was considered essential to issue a list as quickly as possible so as to help prevent any further duplication in the use of names. The I.R.A.will be grateful to all who take the trouble to give information about omissions or errors of any kind which may then be corrected before the
next edition is printed.

Customer Reviews

By: The Royal Horticultural Society (RHS)(Author)
315 pages, no illustrations
Current promotions
British WildlifeHarper Collins PublishersSeabirds The New Identification GuideOrder your free copy of our 2021 equipment catalogues