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    Wyświetlanie 1-4 z 4
    Tytuł:
    Effect of Gamma Rays on Germination, Morphology, Yield and Biochemical Studies in Groundnut (Arachis hypogaea L.)
    Autorzy:
    Gunasekaran, A.
    Pavadai, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193871.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Arachis hypogaea
    Gamma rays
    Groundnut
    Oilseeds
    mutagens
    Opis:
    Groundnut (Arachis hypogaea L.) is an important oilseed crop and grain legume grown worldwide. The groundnut seed has dual advantage of being important as a source of edible oil as well as protein. However, it is self pollinating and possesses limited variability. Despite its long history of cultivation, broad sub-specific variability and wide geographic distribution of the cultivated groundnut, defects in its genetic composition with respect to requirement of man are wide spread and for many of these no remedial resources are known to exist among its varietal forms. The exploitation of genetic resources from wild species is extremely difficult because of ploidy differences between cultivated tetraploid and diploid wild species coupled with compatibility barriers except with Arachis section. to induce polygenic variability for yield and its components in peanut (Arachis hypogaea L.) var. VRI-2 were treated with γ-radiation (10, 20, 30, 40, 50, and 60 KR). Effects of gamma rays treatment were observed in M1 generation gradually reduced in all parameters except days to first flower to increase concentration of treatment. In M2, M3 and M4 populations, the significant increase of grain yields and yield components of Groundnut were observed. Potential high yielding mutants were identified in progenies of treated seeds.
    Źródło:
    World Scientific News; 2015, 23; 13-23
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Gamma Rays on Morphology, Growth, Yield and Biochemical Analysis in Soybean (Glycine max (L.) Merr.)
    Autorzy:
    Gobinath, P.
    Pavadai, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193869.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Gamma rays
    Glycine max
    Population
    Soybean
    Treatment
    mutagens
    Opis:
    Mutation breeding in crop plants is an effective approach in improvement of crop having narrow genetic base such as soybean. The main objective of the present study is to determine the effect of different doses of gamma irradiation on different morpho-agronomic characteristics. Many physical mutagens have been employed for obtaining useful mutants in various crop species. The role of mutation breeding increases the genetic variability for the desired traits in various crop plants. Soybean (Glycine max (L.) Mrr.) var. Co1. Was treated with physical mutagens like Gamma rays. For inducing mutation of Soybean treated with various concentrations of gamma rays 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100 KR. Agronomic traits and morpho metric characters such as germination percentage, days of first flower, root length, shoot length, seedling survival, number of fruits per plant, fruit length, seed yield per plant, fresh weight per plant, dry weight per plant and 100 seed weight. All parameters were studied in M1, M2, M3 and M4 generations. The results of the present study re- vealed that the increasing level of gamma rays treatment with decreased significantly most of agronomic and morphological traits evaluated in M1 populations. In M2,M3 and M4 populations with significant increase of morphology and yield components in soybean. The yield parameters like plant height, number of cluster per plant, number of seeds per plant and seed yield per plant were recorded the moderated and high mean value in the 50 KR of gamma rays.
    Źródło:
    World Scientific News; 2015, 23; 1-12
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Morphology and Yield parameters and Biochemical analysis of Soybean (Glycine max (L.) Mrr.) Using Gamma rays, EMS and DES treatment
    Autorzy:
    Gopinath, P.
    Pavadai, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/11872.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    Soybean (Glycine max (L.) Merr.) var. Co-1 seeds were treated with physical mutagen namely such as gamma rays and chemical mutagen namely such as Ethyl Methane Sulphonate (EMS) and Diethyl Sulphate (DES). Various concentrations of gamma rays 10, 20, 30, 40, 50 and 60 KR, EMS (0.1, 0.2, 0.3, 0.4, 0.5 and 0.6 %) and DES (0.1, 0.2, 0.3, 0.4, 0.5 and 0.6 %). The morphological parameters such as days to first flower, plant height, number of cluster per plant, number of pod per plan, seed yield per plant, number of branches per plant, number of leaves per plant, protein content and oil content increasing with increasing level of some doses gamma rays, Ethyl methane sulphonate and Diethyl sulphate treatment in M2 and M3 generation were carried out. A number of mutants were recorded in M2 and M3 generations for one or more traits viz., plant height, maturity, branching, pigmentation, fruit size and yield were isolated in M2 and M3 generation. Mean for various characters increased at mutagenic treatment than control. The yield parameters like plant height, number of cluster per plant, number of seeds per plant and seed yield per plant were recorded the moderated and high mean value in the 50 KR of gamma rays 0.5% of EMS and 0.4% of DES treated population with compared to control plants.
    Źródło:
    International Letters of Natural Sciences; 2015, 08
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Studies on induced physical and chemical mutagenesis in groundnut (Arachis hypogia)
    Autorzy:
    Gunasekaran, A.
    Pavadai, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/11074.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    Mutation breeding has been widely used for the improvement of plant characters in various crops. It is a powerful and effective tool in the hands of plant breeders. In any mutation breeding program, selection of an effective and efficient mutagen is very essential to produce high frequency of desirable mutation. Groundnut (Arachis hypogia) var. VRI-2. was treated with different concentration of physical and chemical mutagen namely gamma rays 10, 20, 30, 40, 50 and 60 KR and Ethyl methane sulphonate (EMS). For inducing mutation various concentration of EMS such as 0.1, 0.2, 0.3, 0.4, 0.5 and 0.6 % for six hours were applied to 200 seed sample of each concentration and one respective control. The LD50 value was observed in 50% of gamma rays and 0.5 % of EMS. The morphological and yield characters were significantly reduced seed germination, seedling survival, days to first flower, plant height, number of leaves per plant, number of grains per plant, grain length and breath, 100 grains weight, grain yield per plant, fresh and dry weight per plant. The increasing doses/concentration of gamma rays and EMS decreased in phenotypic and yield characters in M1generation. The mutagenized populations showed significantly higher variability in the M2 generation. Mutant lines showing higher yield per plant than the respective parents and checks were isolated in M2 and subsequent generation were significantly more pod yield and yield components than the untreated plants.
    Źródło:
    International Letters of Natural Sciences; 2015, 08
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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