Temat: mutation frequency - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Estimation of induced mutation rates of four esterase genes in barley [Hordeum vulgare L.]
Autorzy:: Kucharska, M
Maluszynski, M.
Powiązania:: https://bibliotekanauki.pl/articles/2044884.pdf
Data publikacji:: 1998
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: mutation frequency
isoenzyme
barley
hybrid
mutagen
enzyme system
plant morphology
mutant
Hordeum vulgare
esterase
estimation
seed
Opis:: Induced mutation rate of barley esterase loci has been estimated. Results suggested that about 3% of investigated M₁ spikes had seeds which gave rise to M₂ seedlings mutated in one of four esterase loci. M₁ plants were obtained after chemical treatment of seeds from two spring barley cultivars Aramir and Bielik. The majority of mutants were reconfirmed in the М₃ generation.
Źródło:: Journal of Applied Genetics; 1998, 39, 2; 141-145
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Mutational changes in Delphinium malabaricum (Huth.) Munz.: a potential ornamental plant
Autorzy:: Kolar, F.R.
Ghatge, S.R.
Nimbalkar, M.S.
Dixit, G.B.
Powiązania:: https://bibliotekanauki.pl/articles/1998.pdf
Data publikacji:: 2015
Wydawca:: Instytut Ogrodnictwa
Tematy:: Delphinium malabaricum
ornamental plant
mutational change
ethyl methanesulphonate
sodium azide
physical mutagen
gamma-ray
mutation frequency
Źródło:: Journal of Horticultural Research; 2015, 23, 2
2300-5009
Pojawia się w:: Journal of Horticultural Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Somaclonal variation in winter wheat [Triticum aestivum L.]: frequency, occurrence and inheritance
Autorzy:: Cheng, X Y
Gao, M.W.
Liang, Z.Q.
Liu, G.Z.
Powiązania:: https://bibliotekanauki.pl/articles/2044461.pdf
Data publikacji:: 1998
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: inheritance
tissue culture
Triticum aestivum
occurrence
in vitro
winter wheat
gene mutation
plant breeding
callus induction
frequency
somaclonal variation
wheat
embryo
Opis:: Plants were regenerated from immature embryo cultures of 35 winter wheat genotypes. General responses of regenerated plants were investigated and a total of 7142 R₂ spike lines from 1593 R₁ plants were assessed in the field for somaclonal variants in 1985/86, 1986/87 and 1987/88. Selected variants were studied for their possible genetic inheritance. From regenerated plantlets, 81% survived and 63% produced fertile plants. Forms with reduced plant height, length of spike and other morphological abnormalities were found in this progeny. Populations of R₁ plants were highly variable due mainly to the physiological disturbances resulting from the in vitro process. Overall somaclonal variation frequencies were 14.2% per plant basis and 5.3% per R₂ spike basis. The variants were similar in the three different R₂ generations with predominant variants being negative in plant height, maturity, awns, spike type and plant type. Both uniform R₂ variant families and spike lines were found in addition to the segregating variants which constituted the majority. On average, in a variant family or line, 18% and 14% of their component lines and plants were variants, respectively. Inheritability was demonstrated for the uniform variant families and spike lines as well as segregated variants. Of those 134 selections, about 70% were classified as inheritable. Both recessive and dominant gene mutations at one, two or three loci were evident in some variants as suggested by the segregating data.
Źródło:: Journal of Applied Genetics; 1998, 39, 1; 59-72
1234-1983
Pojawia się w:: Journal of Applied Genetics
Dostawca treści:: Biblioteka Nauki

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