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Öğe Branch induction on apple (Malus domestica L.) nursery trees: Effects of Perlan (GA4+7+6BA) and pinching(WFL Publisher Ltd., 2010) Bektas M.; Ersoy N.In this research, one-year-old apple (Malus domestica L.) nursery trees of several cultivars (Galaxy Gala, Redchief, Scarlet Spur) on MM 106 rootstock were used. Following treatments were applied to each cultivar: 1) pinching, 2) pinching+500 ppm Perlan, 3) 500 ppm Perlan (GA4+7+ 6BA). The sapling height, sapling diameter, branch number, branch angle, branch length and sapling quality were investigated, respectively. At the end of the research, sapling length, sapling diameter and branch number of Galaxy Gala cultivar were higher than in the other cultivars. Sapling length was similar at Red Chief and Scarlet Spur cultivars. In terms of Scarlet Spur sapling diameter and number of branches were higher than in Red Chief cultivar. There were no significant differences in branch angles and branch lengths. Perlan application to Galaxy Gala cultivar and pinching application to Scarlet Spur cultivar formed the largest branch angles.Öğe Determination of endogenous GA3 levels in different parts of artichoke (Cynara scolymus L. cv. Sakiz) plants in various developmental stages(2006) Ersoy N.; Paksoy M.This study was conducted to reveal the levels of endogenous GA3 in different parts of artichoke (Cynara scolymus L.). Cynara scolymus L. cv. Sakiz, an important Turkish cultivar, was used as plant material. The levels of endogenous GA3 on GA3 treated and non-treated plants (control) were determined by High Performance Liquid Chromatography (HPLC) method. Experiment results revealed that the highest level of GA3 was present on the plants treated with in 25 ppm GA3 and had immature head. On the other hand it was found that the lowest level of GA3 was present on the plants treated with 50 ppm GA3 and had mature head. © 2006 Asian Network for Scientific Information.Öğe Effects of some humidity and IBA hormone dose applicatıons on rooting of M9 apple clonal rootstock softwood top cuttings(Academic Journals, 2010) Ersoy N.; Kalyoncu I.H.; Aydin M.; Yilmaz M.In this study, softwood cuttings were taken from M9 dwarf apple rootstocks in early June. Different indole-3-butyric acid (IBA) concentrations [0 (control), 500, 1500, 2500 and 3500 ppm], different air humidity levels (85 - 90%, 95-100%) and rooting media of perlite effects on rooting capability and root formation of M9 apple rootstock cuttings were examined. All the cuttings remained alive. The highest ratio of cutting callus formation was found in control group (58%) in 95 - 100% humidity level and 2500 ppm IBA hormone dose application in 85 - 90% humidity level. The highest rooting ratio was obtained from control group (46%) in 95 - 100% humidity level; the lowest one was 3500 ppm IBA dose application (17%) in 85 - 90% relative humidity level. The highest rooting surface lenght was found in 1500 ppm hormone dose (0.53 cm) in 95 - 100% and 2500 ppm IBA dose application (0.42 cm) in 85 - 90% humidity level. With respect to root numbers, the highest value was from 1500 ppm IBA application (1.29 number/cutting) in 95 -100% relative humidity, and 500 and 2500 ppm IBA doses (1.04 number/cutting) in 85 - 90% relative humidity level. The longest root was obtained from control group (2.03 cm) in 95 - 100% humidity level and 500 ppm IBA hormone dose (1.80 cm) in 85 - 90% humidity level. The shortest root was obtained from 1500 ppm IBA hormone application (0.79 cm) and control group (0.88 cm) in 95 - 100% humidity level. The highest root branching value was obtained from 1500 ppm hormone dose application (0.88 number/cutting) in 95 - 100% humidity level. © 2010 Academic Journals.
