Yazar "Avci, Suleyman" seçeneğine göre listele

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    Comparison between a wild population and cultivar of common vetch (Vicia sativa L., Fabaceae) on cytological and agronomic characteristics
    (Taylor & Francis Ltd, 2006) Celiktas, Nafiz; Can, Ersin; Hatipoglu, Rustu; Avci, Suleyman
    The aim of this study was to compare a wild population of common vetch (Vicia saliva L.) collected from the Serinyol district of Antakya in the east Mediterranean coastal region of Turkey with a cultivar of common vetch (V saliva 'Anadolu'), on somatic chromosome number and important agronomic attributes. Somatic chromosome counts from material collected from the wild population of Vicia saliva L. were consistently 2n = 10, while the cultivar had 2n = 12. There were no significant differences between wild and cultivated cytotypes in plant height, seed number or pod number, although the wild cytotype had significantly more branches, smaller seeds, higher hardseededness and lower germination rates.
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    Effects of treating with auxin solutions on rooting of cuttings of sainfoin (Onobrychis viciifolia)
    (Tropical Grassland Soc Aust, 2010) Avci, Suleyman; Cocu, Sati; Aasim, Muhammad; Sancak, Cengiz; Ozcan, Sebahattin
    Sainfoin is a cross-pollinating plant and segregates when material is multiplied from seed during breeding programs. While the use of cuttings allows rapid and reliable multiplication of selected material for vegetative propagation, cuttings often do not root well. This study examined the root development of sainfoin cuttings after dipping in solutions containing 0, 25, 50, 100 and 200 mg/L indole-3-acetic acid (IAA), alpha-naphthalene acetic acid (NAA) and indole-3-butyric acid (IBA) for 8, 16 and 24 h. The hormones were dissolved in either liquid Murashige and Skoog (MS) medium or distilled water. While untreated cuttings produced virtually no roots, all auxin treatments stimulated rooting on some cuttings. Dipping treatments using liquid MS medium as the base for the auxin solution produced better root development than those using distilled water. IBA was less effective than IAA or NAA in stimulating root production on cuttings. Dipping cuttings in a solution of IAA at 100 mg/L for 8 h in liquid MS medium would seem to be adequate to produce satisfactory root development. Rooted plantlets were transferred to pots and grew successfully under greenhouse conditions.
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    Efficient somatic embryogenesis from immature inflorescences of dallisgrass (Paspalum dilatatum Poir.)
    (Sejani Publ, 2006) Avci, Suleyman; Can, Ersin
    Somatic embryogenesis was obtained from 0.5 cm long immature inflorescences of eight Turkish dallisgrass (Paspalum dilatatum Poir.) accessions on LS (Linsmaier and Skoog) medium supplemented with various concentrations of dicamba and picloram. It was observed that 7.5 mg l(-1) picloram in LS medium was more appropriate for somatic embryogenesis compared to any concentration of dicamba. No difficulty was experienced in converting somatic embryos on LS medium containing half concentrations of macro-, microelements and vitamins. All plantlets established and acclimatized successfully in greenhouse conditions.
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    Somatic embryogenesis, callus production, and plantlet growth in sainfoin (Onobrychis viciifolia Scop.)
    (Rsnz Publishing, 2006) Celiktas, Nafiz; Can, Ersin; Hatipoglu, Rustu; Avci, Suleyman
    Plant parts (internode segments, young leaves, apical-axillary meristems, petioles and immature inflorescences) isolated from the fresh, full-leaved and juicy sainfoin (Onobrychis viciifolia Scop.) were used as explants in this study. The explants were cultured on B5 medium with 5.4 mu M or 10.7 mu M NAA combined with 0, 0.9, 1.4, or 2.3 mu M of kinetin and 0, 0.9, 1.3, or 2.2 mu M of BAP to determine the effects of explant types and medium compositions on the callus induction and plant regeneration. Somatic embryogenesis and organogenesis, as well as direct shoot regeneration from the explants, were observed depending on the explant types and medium composition. The effect of the phytohormone type and concentration on the callus induction rate was under explant dependency. The highest frequency of shoot regeneration was achieved from apical-axillary meristems on B5 medium with 10.7 mu MNAA and 2.3 mu M kinetin.