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    Effects of different uprooting dates on rooting and vegetative development parameters of different American grapevine rootstock scions
    (Mevlüt AKÇURA, 2022) Ates, Fadime; Dardeniz, Alper; Gündoğdu, Mehmet Ali; Sarıyer, Tolga; Şahin, Esra
    This study was conducted in the years 2013 and 2014 to determine rooting and vegetative development parameters of different American grapevine rootstock (‘5BB’, ‘110R’, ‘140Ru’, ‘1613C’, ‘1103P’ and ‘41B’) scions uprooted in different dates. Present findings revealed that hard and insufficient rooting problems especially of ‘140Ru’, ‘41B’ and ‘110R’ American grapevine rootstock scions were resulted from genetic characteristics and insufficient number of days between uprooting and planting dates. Significant increases were observed in rooting ratio (%), number of roots (roots/scion), root fresh weight (g scion–1), root scale (0–4), shoot length (cm), number of nodes (leaves) (nodes/scion), shoot fresh weight (g scion–1), scion weight (g) and shooting ratio (%) of American grapevine rootstock scions with the increasing number of days between uprooting and planting dates
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    Effects of Root Plant Growth Promoting Rhizobacteria Inoculations on the Growth and Nutrient Content of Grapevine
    (Taylor & Francis Inc, 2018) Erdogan, Ummugulsum; Turan, Metin; Ates, Fadime; Kotan, Recep; Cakmakci, Ramazan; Erdogan, Yasar; Kitir, Nurguel
    The objective of this study was to evaluate the effects of seven nitrogen (N-2)-fixing and/or phosphorus (P)-solubilizing and siderophore-producing microorganism based bio-fertilizers in single and triple strain combinations isolated from the acidic rhizospheric soil of native tea, grapevine, and wild red raspberries. As a result of this study, bacterial efficiency was found to be variable and depended on the bacterial strains and evaluated growth parameters. Plant growth-promoting rhizobacteria (PGPR) has improved macro- and micro-nutrient concentrations in grapevine leaves, and stimulated plant growth. Triple inoculation and single inoculation based bio fertilizers were found to stimulate overall plant growth, including shoot and leaf weight, main shoot length, leaf ground index, chlorophyll, nitrogen, zinc and iron content of grapevine cv Italy'. Bio-fertilizers increased the nutrients such as nitrogen, zinc and iron concentrations and consequently increased the chlorophyll content of the leaves.
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    EFFECTS OF VARIOUS CROP LOADS AND LEAF FERTILIZER ON GRAPEVINE YIELD AND QUALITY
    (Taylor & Francis Inc, 2012) Akin, Aydin; Dardeniz, Alper; Ates, Fadime; Celik, Mustafa
    Crop loads and leaf fertilizers are highly important for yield and quality of grapevine. This research was conducted in the Konya province of Turkey in 2008 and 2009. The effects of crop loads and leaf fertilizers were investigated on yield and quality of Vitis vinifera L. cv. 'Gok uzum'. The combined leaf fertilizer (TARIS-ZF) significantly increased quality parameters such as berry length, berry weight, maturity index, juice yield and drying index of grapevine. Increasing crop load values (16, 21, and 26 buds/vine) increased fresh grape yield and juice yield; however, maturity index and drying index decreased in comparison to the control. According to these results, it was suggested that to produce a high yield 26 buds/vine pruning and non-fertilization could be utilized or to increase quality parameters 16 buds/vine pruning, and fertilization may be applied on grapevine cultivation.