This experiment was conducted to reveal the effects of PGPR and IBA on rooting characteristics of Ramsey "Salt Creek" (Vitis champini) under the nursery. Hard wood cuttings of Ramsey were subjected to PGPR (EMA1, EMA6, EMA24, EMA MEDIA, EMA CALLUS, EMA QUICK DIP) with dipping times of 1h, 6h, 24 h. IBA concentration was 25, 2000, 4000 ppm with dipping time of 24 h in the case of long-soak method, and of 4 seconds in quick dip method. Data were recorded on specific rooting and shooting characteristic. Results obtained from treatments showed significant differences at p≤0.01 for specific rooting characteristic, like rooting rate (%), rooting degree (0-4), root length (cm), root fresh and dry weight (g) under the interaction between PGPR and IBA concentration and dipping time. The rooting rate of EMA1 was 56.7%, and was better than in IBA treatments. Rooting degree (0-4) was 3.5 with EMA1 and 3.3 with EMA MEDIA. The highest root lenght (cm) were obtained in IBA25 (37.6) EMA MEDIA (37.2) and EMA1 (34.1). The best result on fresh root weight (g) was determined with EMA1 (9.8) and EMA6 (9.5). As a conclusion, inspected rooting characteristics generally increased with the EMA1 and EMA6 treatments.
Objective: Ramsey (Vitis champinii) is a grapevine rootstock that preferred sandy soils and it has high resistance to phylloxera and nematodes. But rooting of one year-old wood cuttings of this rootstock is quite low. In this study, determination of the effects of two different pre-sized rooting blocks (paper pot and phenolic foam) injected with different IBA concentrations on rooting of Ramsey rootstock cuttings were aimed. Material and Methods: In this study, for supporting the exogenous auxin treatment, IBA in different concentrations (0-50 ppm) was applied to two different pre-sized rooting media blocks (paper pot and phenolic foam) in which Ramsey cuttings be rooted. IBA solutions were injected into rooting blocks before planting. Cuttings were also pretreated with 2000 ppm IBA as quick dip. Cuttings were evaluated after 45 days in relation with root and shoot quality parameters. Results: The effects of rooting blocks on root number, root length, shoot length and dry root weight were found statistically significant. Apart from rooting percentage, other quality parameters of cuttings that planted in paper pots were higher than that planted in phenolic foam. The highest rooting percentage (43.2 %) was obtained from cuttings that planted in phenolic foam, injected in 30 ppm IBA. Conclusion: In this study, it was revealed that paper pot could be a proper medium choice in grapevine nursery tree propagation. ÖZ Amaç: Ramsey (Vitis champinii) kumlu toprakları tercih eden bir asma anacı olup, floksera ve nematodlara karşı yüksek dayanıklılığa sahiptir. Ancak bu anacın bir yıllık odun çeliklerinin köklenmesi oldukça düşük düzeydedir. Bu çalışmada, farklı ön boyutlandırılmış köklendirme bloklarına (kağıt saksı ve fenolik köpük) enjekte edilen farklı konsantrasyonlardaki IBA'nın Ramsey asma anacı çeliklerinin köklenmesi üzerine etkilerinin belirlenmesi amaçlanmıştır. Materyal ve Metot: Bu çalışmada, Ramsey çeliklerinin köklendirileceği iki farklı ön boyutlandırılmış köklendirme ortam bloğuna (kağıt saksı ve fenolik köpük) dışarıdan uygulanan oksini desteklemek amacıyla, farklı konsantrasyonlarda (0-50 ppm) IBA uygulanmıştır. IBA çözeltileri dikimden önce köklendirme bloklarına enjekte edilmiştir. Çeliklere ayrıca hızlı daldırma yöntemiyle 2000 ppm IBA uygulanmıştır. Çelikler 45 gün sonra kök ve sürgün kalite parametreleri açısından değerlendirilmiştir. Bulgular: Köklendirme bloklarının ortalama kök sayısı, kök uzunluğu, sürgün uzunluğu ve kök kuru ağırlığı üzerine etkisi istatistiki açıdan önemli bulunmuştur. Köklenme oranı dışındaki diğer kalite parametreleri, kağıt saksıya dikilen çeliklerde fenolik köpüğe dikilenlere kıyasla daha yüksek olmuştur. En yüksek köklenme oranı (% 43.2), 30 ppm IBA enjekte edilen fenolik köpük ortamına dikilen çeliklerden elde edilmiştir. Sonuç: Bu çalışmada, kağıt saksının asma fidanı üretiminde uygun bir ortam seçeneği olabileceği ortaya konulmuştur.
Abstract.Muscat of Bornova is a white and aromatic native grape variety of Vitis vinifera which is largely predominant in the İzmir-Manisa province of the Aegan region. In this study, the effect of three different terroirs (Kemaliye, Halilbeyli, Menderes) located in İzmir-Manisa province and two different years (2013)(2014) on the terpene compounds of Muscat of Bornova grapes were investigated. The terpene compounds were extracted by using liquid-liquid extraction method and identified and quantified by GC-MS-FID. In 2013 vintage eighteen terpene compounds were identified and quantified. The concentration of total terpene compounds in Muscat of Bornova grapes from Menderes determined 2.1 mg/l, in Halilbeyli 1.3 mg/l and in Kemaliye 1.7 mg/l. In 2014 vintage eighteen terpene compounds were identified and quantified. In 2014 a total concentration of terpene compounds decreased in grapes from Menderes and determined 1.8 mg/L, in Halilbeyli the results were the same as the first vintage and found 1.3 mg/l and in Kemaliye there was an increase with 2.6 mg/l. Among monoterpenes, linalool, α-terpineol, citronellol, nerol and geraniol show significant differences between different terroirs.
his study was conducted to determine changes in storage of organically grown table grape cultivars; Vitis vinifera L. cv. Buca Razakı, Vitis vinifera L. cv. Çeşme Pembesi, Vitis vinifera L. cv. Siyah Gemre, Vitis vinifera L. cv. Kırmızı Şam, and Vitis vinifera L. cv. Pek Üzümü. Each cultivar was harvested at optimum time and pre-cooled at 0 0 C for 24 hours. Samples in MAP were placed in plastic cases and kept at -0.5 0 C and 90% relative humidity (RH) for 60 days. Quality changes that took place throughout the storage period were assessed at 15-days intervals through weight loss, stem browning, fruit removal force, berry surface color (CIE L*, a*, b*), total soluble solids content, titratable acidity, sensory properties, and total phenolic content. Due to the increase in decayed berries and adverse effects on the quality, all tested cultivars could be stored successfully for 30 days. Distinctive levels of stem browning in all varieties except Vitis vinifera L. cv. Çeşme Pembesi on the 60 th day of storage are effective in limiting the marketability of these grapes. MAP technology could be proven as an economical application for organic grapes. MAP was aimed to investigate as an alternative mean for chemical based treatment such as SO2. ÖZET u çalışma, organik olarak yetiştirilen sofralık üzüm çeşitleri; Vitis vinifera L. cv. Buca Razakı, Vitis vinifera L. cv. Çeşme Pembesi, Vitis vinifera L. cv. Siyah Gemre, Vitis vinifera L. cv. Kırmızı Şam, and Vitis vinifera L. cv. Pek Üzümü'nün. depolamadaki değişikliklerini belirlemek amacıyla yapılmıştır. Her bir çeşit optimum zaman hasat edilmiştir ve 24 saat için 0 0 C'de ön soğutulmuştur. Örnekler modifiye atmosferli paketler içine (MAP) konulup, plastik kasalar içinde -0.5 0 C ve % 90 bağıl nem (RH)'de 60 gün için muhafaza edildi. Depolama süresi boyunca 15 günde bir gerçekleşen kilo kaybı, salkım iskeleti kararması, meyve sapı kopma kuvveti, tane yüzey rengi (*, a *, b * CIE L), toplam suda çözünebilir kuru madde içeriği, titre edilebilir asit, duyusal özellikleri ve toplam fenolik madde içeriği değişimi değerlendirildi. Test edilen tüm çeşitler tanelerin çürümesi ve kalite üzerine ters etkisindeki artış nedeniyle 30 gün boyunca başarılı bir şekilde saklanabildi. Vitis vinifera L. cv. Çeşme Pembesi hariç tüm çeşitlerin salkım kararmasındaki ayırt edici seviyesi bu çeşitlerin pazarlanabilmede 60 günde sınırlayıcı etkilidir. MAP teknolojisi organik üzüm için ekonomik bir uygulama olarak kanıtlanmıştır. MAP SO2 gibi kimyasal temelli uygulamalara alternatif bir araç olarak araştırılmak için amaçlanmıştır.
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