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Wyszukujesz frazę "wheat/rye addition lines" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
The influence of additions of rye chromosomes on plant dry mat ter and root size in bread wheat
Autorzy:
Oracka, Teresa
Łapiński, Bogusław
Powiązania:
https://bibliotekanauki.pl/articles/2198992.pdf
Data publikacji:
2005-12-22
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
addition lines
chromosome
root system
rye
wheat
Opis:
The toleration of poor soil and high efficiency of mineral nutrients use of rye has been successfully transferred to triticale, but only one rye chromosome (1RS) has been used in wheat breeding. We started studies on identification of other rye chromosomes potentially useful in improvement of wheat, with special emphasis on root characters. We analyzed dry matter, length and number of roots (seminal and adventitious roots separately), together with plant dry matter, in two sets of disomic wheat-rye addition lines (CS-‘Blanco’ and CS-‘Imperial’). Plants were grown in hydroponic culture. In relation to the ‘Chinese Spring’ (CS) wheat, all the addition lines showed decrease of plant and root size parameters. The chromosomes 5R and 7R were best tolerated in wheat, but they caused a decrease of root proportion in plant. The 4R addition was the least viable one, but the root/plant ratio was higher than in wheat. The results were influenced mainly by interaction between homoeology group and cultivar of origin of rye chromosomes. The highest interactions of this kind were found in the 5R and 6R additions.
Źródło:
Plant Breeding and Seed Science; 2005, 52; 3-14
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Location of markers of aluminium tolerance genes on rye chromosomes (Secale cereale L.)
Autorzy:
Wiśniewska, Iwona
Rafalski, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/2199029.pdf
Data publikacji:
2006-06-22
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
aluminium tolerance
chromosomal location
DNA-DNA hybridisation
PCR markers
wheat/rye addition lines
Opis:
The aim of presented work was to identify of PCR amplifiedDNAfragments differentiating aluminium tolerant and sensitive forms of rye and to locate the markers on rye chromosomes. For identification of markers, the PCR system with semi-specific primers targeting intron-exon sequences of plant genes was applied. The modified method of bulked segregant analysis was used. The pooled DNAs of two or three F2 segregating populations were screened together with DNA of their parental inbred lines. Potential marker of tolerance gene was located on rye chromosomes using wheat/rye (Chinese Spring/Blanco) additional lines. The specific probes obtained from DNA fragments differentiating sensitive and tolerant forms of rye were hybridized to PCR amplified DNA fragments of sensitive and tolerant forms of rye and the set of wheat/rye addition lines. Independently of the method of digoxygenin labelling (primer extension or Taq polymerase reaction), the probes obtained showed similar hybridization patterns. The results of hybridisation of 21 probes prepared from 12 DNA fragments confirmed connection of selected DNA fragments with to aluminium tolerance or sensitivity. Most of these DNA fragments originated from tolerant forms of rye. Using this method it was possible to locate eight DNA fragments on rye chromosomes. Three DNA fragments hybridised to chromosome 4R, two DNA fragments to chromosome 6R and single DNA fragments to chromosomes 1R, 2R and 3R. Four DNA fragments indicating clear relationship with character studied were not located on particular chromosomes using this set of wheat/rye addition lines. Hybridisation of probes prepared from four DNA fragments revealed length polymorphism. Probes prepared from two DNA fragments were characterised as dominant markers. In other cases the type of marker (dominant/codominat) was not fully documented.
Źródło:
Plant Breeding and Seed Science; 2006, 53; 43-52
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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