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Breeding Fodder Crops for Marginal Conditions : Proceedings of the 18th Eucarpia Fodder Crops Section Meeting, Loen, Norway, 25-28 August 1993 - O.A. Rognli

Breeding Fodder Crops for Marginal Conditions

Proceedings of the 18th Eucarpia Fodder Crops Section Meeting, Loen, Norway, 25-28 August 1993

By: O.A. Rognli (Editor), Eric Solberg (Editor), I. Schjelderup (Editor)

Hardcover

Published: 30th November 1994
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This book contains papers and posters presented at the 18th Eucarpia Fodder Crops Section Meeting held at Loen, Nordfjord, Norway in August 1993. In most environments some form of marginal conditions or stress prevails. Few crops are being produced under such a wide range of environmental and management stresses as fodder crops. Improved adaptation of fodder crops to marginal conditions is crucial in developing sustainable, low-input agricultural systems. The book is unique in demonstrating the large diversity both in crops and environmental stresses that confront the forage breeders. Both general and specific aspects of adaptation to marginal growing conditions are presented, ranging from problems caused by snow and ice in the Subarctic regions of Europe to the severe drought problems in the Mediterranean regions. For everyone involved in studies of adaptation and breeding of perennial plants for marginal conditions or stress environments.

Preface
Introductionp. 1
Norwegian plant production and its challengesp. 3
Adaptation, variation and selection in marginal areasp. 13
Some consequences of adaptation to extreme environmentsp. 21
Collecting and evaluating genetic resources of fodder plants from subalpine and alpine permanent grasslandp. 35
Potential for improving adaptation of Lolium perenne L. to continental climates in Norwayp. 47
Winter hardiness in marginal populations of timothyp. 61
Investigation of the adaptability of legumes in the Hungarian climatep. 69
Variation within improved cultivars and landraces of lucerne in Central Italyp. 81
Genetic variation and population structure of Trifolium fragiferum L. in various environmental conditionsp. 89
Factor regression analysis of natural populations of ryegrassp. 90
Deschampsia caespitosa L. - proposal for lawn in shade conditionsp. 92
Thuringian mallow (Lavatera thuringiaca L.) - an alternative crop for marginal conditions and wasted landsp. 93
Evaluating genetic resources of red clover in marginal growing conditionsp. 95
Genetic resources of oil and fodder plants in the genebank station Malchow/Poelp. 97
Specific adaptation and breeding for marginal conditionsp. 101
Cooperative breeding for the northern marginal areasp. 129
Breeding of amenity grasses adapted to marginal conditionsp. 143
Breeding winter hardy grassesp. 149
Breeding white clover for tolerance to low temperature and grazing stressp. 159
Selection for improved adaptation of white clover to low phosphorus and acid soilsp. 167
Early test to determine the effectiveness of selection made for resistance for frequent cutting and persistence ability of alfalfa (Medicago sativa L.)p. 179
The seed yielding ability of synthetic populations (syn-1, syn-2) of alfalfa (Medicago media Pers) in climatic conditions of Polandp. 181
Prediction of seed yield value of syn-2 on the basis of seed yielding of syn-1 of synthetic populations of alfalfa (Medicago media Pers)p. 183
Differences between forage grass and lawn grass breedingp. 185
Phenotypic recurrent selection for frequent cutting regimes in lucerne: results on forage yield and qualityp. 187
Genotype-environment interactions of some early maturing barley lines grown at extreme high-latitude locationsp. 189
Stability of quality traits in fodder cerealsp. 191
Selection for fodder yield and quality among populations of white cloverp. 193
The role of the early cutting regime in the lucerne nutritive value improvement: fibre and crude protein contentp. 195
Improvement of snow mould resistance by conventional and in vitro techniquesp. 199
Development of procedures to identify red clover resistant to Sclerotinia trifoliorump. 207
Cold hardening - a physiological mechanism for resisting biotic as well as abiotic stress factorsp. 213
Morphological and biochemical variation in Sardinian populations of Medicago polymorpha L. suitable for rainfed mediterranean conditionsp. 223
The role of flowering intensity in adapting perennial ryegrass to different production systemsp. 233
Characterization of different potato idiotypes in response to drought stressp. 235
Selection for snow mould resistance of Lolium at a high altitude sitep. 237
Straw quality of barley in the dry areas of North Syria - from a breeder's point of viewp. 239
Morphological adaptation to drought of different populations of Lolium perenne L.p. 241
Comparison of agronomic and quality traits of naked and hulled oatsp. 243
The effect of water stress during flowering on seed yield of subterranean clover: variation among strains and influence of flowering patternp. 245
Genetic markers and the selection of quantitative traits in forage grassesp. 249
Genetic control of frost tolerance in wheat (Triticum aestivum L.)p. 261
Assessing success in gene transfer between Lolium multiflorum and Festuca arundinaceap. 273
Detection of RAPD markers linked to crown rust tolerance in Lolium multiflorum L.p. 285
Hybrid breeding by means of incompatibility in Lolium multiflorump. 287
Linkage relationships of isozyme markers and incompatibility genes in Loliump. 289
Seedling vigour, agronomic traits, and isozyme markers in backcrosses Lolium perenne x Festuca sppp. 291
Leaf growth genetic variability among various polyploid ryegrass x fescue hybrids involving Festuca arundinacea var. glaucescensp. 293
The value of interspecific hybridization in breeding for improved tolerance of climatic stressp. 295
Possible gene models explaining androgenetic response in perennial ryegrass (Lolium perenne L.)p. 297
Potential of tetraploid x Festulolium (Festuca pratensis x Lolium multiflorum)p. 299
In vitro approach to production of Lolium-Festuca amphiploidsp. 301
Characterization of cocksfoot mottle virus (CFMV)p. 305
In vitro embryo specifically expressed transcripts in Poaceae isolated from barleyp. 306
Genetic variation in resistance to cocksfoot mottle virus in cocksfoot (Dactylis glomerata L.)p. 308
In vitro minibeet induction system in sugarbeet and redbeet (Beta vulgaris L.)p. 311
Workshop reportsp. 313
Report of Workshop I: Why should we breed for marginal conditions?p. 315
Report of Workshop II: Specific versus general adaptation - What should be the breeding strategies for marginal conditions?p. 319
Report of Workshop III: Can high quality and adaptation to stress environments be combined?p. 321
List of participantsp. 325
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780792329480
ISBN-10: 0792329481
Series: Developments in Plant Breeding
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 330
Published: 30th November 1994
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 24.4 x 17.0  x 1.91
Weight (kg): 1.47
Edition Number: 77