Schriften zu Genetischen Ressourcen - Genres

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Development and evaluation of a Brassica napus core collection ssp. rapifera), the growth and generative characters were evaluated, viz. beginning and end of flowering and harvest time. The Swede or rutabaga material to be included in the core collection was evaluated earlier as a separate set at the Nordic Gene Bank (Alnarp, Sweden). Tab. 1: Differentiation of B. napus forms due to vernalisation requirement and seasonality (excluding Swede or rutabaga types) Winter hardiness Type Seasonal type Use Descriptor 286 perennial 5 Present biennis winter biannual oil 4 Not present biennis winter annual forage 3 biennis summer annual forage 2 annua summer annual oil/forage 1 Seed quality analyses: In breeding of Brassica crops, the percentage of erucic acid content in the seed oil and the glucosinolate content of the meal are very important quality characteristics. The genebank accessions could be classified as follows: 1) high erucic acid-high glucosinolate (HEAR), 2) low erucic acid-high glucosinolate (LEAR), 3) high erucic acid-low glucosinolate, and 4) low erucic acid-low glucosinolate (double low quality, canola). For seed quality analyses in each plot three to five plants were isolated with bags to obtain seeds for fatty acid analysis, while the open-pollinated seed material was collected for oil, protein and glucosinolate analysis by near-infrared reflectance spectroscopy (NIRS). The erucic acid content, which was determined in selfed seed material from individual plants of accessions included in the spring trial, showed considerable variation (Fig. 1). Following the differentiation of the material in HEAR and LEAR/canola types in both major quality groups, off-types - low-erucic types in the HEAR group and high erucic individuals in the LEAR/canola group, respectively - were observed. A similar variation was found for the low-glucosinolate spring rape cultivar ‘Bronowski’, which is known to have an erucic acid content of 8-10% and displayed a range of 0-35% (cf. KRZYMANSKI and DOWNEY 1969, ANAND and DOWNEY 1981). The seed analyses clearly demonstrate that the seed material obtained from different European gene-
W. LÜHS et al. Fig. 1: Variation of erucic acid content in selfed seed material from individual plants of B. napus accessions, grouped according to their seed oil quality in HEAR and LEAR/canola types as well as different accessions of cultivar ‘Bronowski’ (N = number of individual plants; spring trial, Rauischholzhausen, 2000) banks may have been contaminated during seed regeneration due to cross pollination. Evaluation with respect to phytopathological traits Depending on the biology of the respective pests, winter oilseed rape is attacked twofold: In the seedling stage by cabbage stem flea beetle (Psylliodes chrysocephela) and in early spring by larvae of stem weevils (Ceutorhynchus napi, C. quadridens) mining the stems of the plants. Phyllotreta flea beetles on the other 287
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Schriften zu Genetischen Ressourcen
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Preface Preface In October 2001, th
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Preface Asia. M. CHAUVET (Montpelli
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Table of contents Table of contents
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Table of contents Utilisation of pl
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Table of contents Federal Informati
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Recollections of Rudolf Mansfeld Af
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Recollections of Rudolf Mansfeld Ma
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Recollections of Rudolf Mansfeld MA
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R. Mansfeld’s scientific influenc
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History of Plant Genetic Resources
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History of Plant Genetic Resources
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Mansfeld's Encyclopedia of Agricult
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The "Mansfeld Database" in its nati
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The "Mansfeld Database" in its nati
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A Species Compendium for Plant Gene
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Some notes on problems of taxonomy
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Theoretical and practical problems
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Development of Vavilov’s concept
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Multiple domestications and their t
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Ethnobotanical studies on cultivate
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Inventorying food plants in France
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The neglected diversity of immigran
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Unconscious selection in plants und
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R. V. BOTHMER, TH. V. HINTUM, H. KN
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Diversity of African vegetable Sola
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Molecular diversity studies in two
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The history of the medieval vegetab
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Paintings from the 16 th to 18 th c
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Sugar beets and related wild specie
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Utilisation of plant genetic resour
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Proof of long-term stored potato ge
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Structure of table ScientificName L
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Genebank work for preservation of t
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Genebank work for preservation of t
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206 S. CHEBOTAR, M.S. RÖDER, V. KO
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Molecular diversity in the genus Am
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A. DIEDERICHSEN, D. KESSLER, P. KUS
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A. DIEDERICHSEN, D. KESSLER, P. KUS
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D. ENNEKING and H. KNÜPFFER Fishin
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References D. ENNEKING and H. KNÜP
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A.A. FILATENKO, K. PISTRICK, H. KN
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Pyrus L. Secale L. Sorbus L. Trifol
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Page 250 and 251: A.A. FILATENKO, K. PISTRICK, H. KN
Page 256 and 257: Vigna angularis (Willd.) Ohwi et Oh
Page 260 and 261: Lycopersicon Mill. Nicotiana L. Sal
Page 266 and 267: Pyrus communis L. Trachomitum sarma
Page 268 and 269: R. macropetalus Dougl. ex Hook. R.
Page 270 and 271: U. FREYTAG, G.H. BUCK-S ORLIN and B
Page 280 and 281: Tab. 1: Actual European strawberry
Page 282 and 283: H. GRAUSGRUBER, H. BOINTNER, R. TUM
Page 284 and 285: yield / plant (g) resistance score
Page 286 and 287: H. GRAUSGRUBER, H. BOINTNER, R. TUM
Page 288 and 289: E.R.J. KELLER, A. SENULA and H. SCH
Page 294 and 295: Molecular mapping and geographical
Page 296 and 297: English translation of the 1979 Rus
Page 298 and 299: Development and evaluation of a Bra
Page 302 and 303: Development and evaluation of a Bra
Page 304 and 305: Maca (Lepidium meyenii) - cultivati
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Page 308 and 309: Mansfeld's Encyclopedia and Databas
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Page 312 and 313: The Information System On Plant Gen
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Page 316 and 317: Characterisation of spring barley g
Page 322 and 323: Evaluation of genetic resources for
Page 324 and 325: Establishment of a German Network f
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Page 328 and 329: Central register for biological res
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Page 332 and 333: Federal Information System Genetic
Page 334 and 335: Federal Information System Genetic
Page 336 and 337: Identification of novel interspecif
Page 342 and 343: Morphological characters in garlic
Page 348 and 349: Resynthesised Brassica napus as a g
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Resynthesised Brassica napus as a g
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Temperate homegardens of small alpi
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List of participants List of Partic
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List of participants Fischer, Manfr
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List of participants Lühs, Wilfrie
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List of participants Ruge, Brigitte
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