Browsing by Author "Turkoglu, Nalan"

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Comparison of Germination Abilities of Centaurea Sp Under in Vivo and in Vitro Conditions
(Mattioli 1885, 2017) Demirel, Sevda; Turkoglu, Nalan; Ozdemir, Fethi Ahmet
In this study, in vivo and in vitro germination of endemic and under-threat Centaurea fenzlii and Centaurea derderifolia species were investigated. In in vivo germination, seeds were spread with forceps over the drying papers moisturized with distilled water in petri dishes. Then, petri dishes were closed and taken for germination in a climate chamber at 25 degrees C and 16 hours light/8 hours dark photoperiods. In in vitro germination, following the sterilization period, seeds were cultured in MS, B5, SH and WH growth medium with 6 seeds in each in a climate chamber at 25 degrees C under 16 hours light/8 hours dark photoperiod. Present findings revealed high germination rates for C. fenzlii and C. derderifolia seeds in WH growth medium.
Effect of Temperature on Germination Biology in Centaurea Species
(Academic Journals, 2009) Turkoglu, Nalan; Alp, Sevket; Cig, Arzu
The temperature requirement is important factor for adaptation to an ecology of any plant species. Plant seeds growing in the places with high altitutes are excepted to well develop at lower temperatures. In addition, temperature highly determines when seeds will germinate under field conditions. With different flower colors and appearence, Centaurea is an annual, biennial and perennial plant genus, alternatively used for culture plants in landscape architecture works. Centaurea virgata growing at 1750 altitude were germinated at different temperatures. Their germination rate and their percentage of germination were investigated and the best germination temperature assessed. In this study, seeds from roadsides and fields of Centaurea balsamita, Centaurea iberica and C. virgata growing at 1750 altitute were germinated at different temperatures. Their germination speed and germination percentage were investigated and the best germination temperature was assessed. As a result, the best germination percentage and speed was C. balsamita at 15 degrees C.
Effects of Auxin Doses on Rooting of Juniperus L
(Mattioli 1885, 2017) Tektas, Ibrahim; Turkoglu, Nalan; Cavusoglu, Seyda
The present study was conducted to investigate the rooting ratios of cuttings taken from naturally grown Greek juniper trees of Gevas and Catak (Van) regions at different dates in 2013 and 2014 and under different hormone doses. The cuttings taken in October and December of 2013 and April of 2014 were immersed into water for 24 hours, then they were dipped into 3000 ppm, 5000 ppm and 7000 ppm NAA and IBA hormone solutions for 5 seconds. Cuttings were planted into growth mediums for rooting. For reliable rooting, the most proper hormone concentration was identified as 5000 ppm NAA and the most proper planting time was identified as April.
The Effects of Dosages of Worm and Nitrogen-Phosphorus Fertilizers on Nutrient Content of Hyacinthus Orientalis L. Cv. "purple Star" in Ecological Conditions of Siirt, Turkey
(Parlar Scientific Publications (p S P), 2018) Ali, Sirwan Rashid; Cig, Arzu; Turkoglu, Nalan
This study was carried out on the campus of Siirt University, Turkey between 2016-2017 years. Solid worm fertilizer at dosages of 25 g/bulb (V1), 50 g/bulb (V2), 75 g/bulb (V3) and 2 kg/da (NP1), 4 kg/da (NP2), 8 kg/da (NP3) Nitrogen-Phosphorus (NP) were applicated on hyacinth (Hyacinthus orientalis L. cv. "Purple Star"). At the end of study, plant nutrient elements were determined on the leaves and bulbs of plants. According to leaf analysis results, nitrogen (N), phosphorus (P), potassium (K), iron (Fe), manganese (Mn), zinc (Zn) and copper (Cu) contents were found significant (p<0,01) statistically and between 2,403-4,450%, 0,269-0,603%, 3,112-6,758%, 802,33-31520,657 mg kg(-1), 46,253-88,585 mg kg(-1), 15,14833,560 mg kg(-1) and 8,582-18,616 mg kg(-1) respectively except calcium (Ca) and magnesium (Mg) contents were determined between 0,775-1,130% and 0,239-0,346% respectively. In leaves the highest mean contents of N, P, K, Mg and Cu were found on V3 while Zn was found on V1 while Fe, Mn and Ca were found on NP3 treatments. On the other hand, on P, Fe and Zn (P<0,01) and K (P<0,05) were found significant statistically, except N, Ca, Mg, Mn and Cu on bulbs. As well as the highest mean contents of N, P, K and Mg were found on V3 while Mn, Zn and Cu were found on V1; Fe was obtained on control and Ca was obtained V3 and NP2 treatments. The means of nutrient elements as N 1,063-1,713%, P 0,191-0,337, K 0,817-1,183%, Ca 0,287-0,372%, Mg 0,089-0,119 %, Fe 169,540-482,209 mg kg(-1), Mn 12,410-23,374 mg kg(-1) Zn 7,390-18,556 mg kg(-1) and Cu 4,711-6,949 mg kg(-1) were determined.
Effects of Pgpb Inoculations on Plant Growth and Quality of Spray Carnation Effects of Pgpb Inoculations on Plant Growth and Quality of Spray Carnation Cultivation in Greenhouse Cultivation in Greenhouse
(Ankara Univ, Fac Agriculture, 2024) Taskesen, Esra Yildiz; Cig, Arzu; Turkoglu, Nalan
In order to achieve the desired quality characteristics and good growth in ornamental plants, various applications are carried out. Recently, the importance of beneficial bacteria, which play an extremely important role in sustainable ecology and are environmentally friendly, has been increasingly recognized. However, the effect of beneficial bacteria, which are not sufficiently applied in ornamental plants as well as in other plant groups, on the growth and quality characteristics of spray carnation variety, which is the most preferred among cut flowers, was investigated in this study. In the greenhouse, the carnation seedlings were treated with Enterobacter ludwigii (KF29A), Pseudomonas fluorescens (KF31B), Paenarthrobacter nitroguaiacolicus (KF3B), Pseudomonas sp. strain VG242B (KF5A), Paenibacillus xylanilyticus (KF63C), Pseudoalteromonas tetraodonis (TV126C) bacteria which have been selected according to nitrogen fixation, phosphate solubilizing, ACC deaminase and siderophore production properties were applied. In the study, in which phenological and morphological observations were made, the effects of bacterial inoculations were tried to be determined. The effects of beneficial bacteria treatments on the number of petals, the number of nodes, the length between the nodes and the weight of the branches in the carnation plant were statistically insignificant; effects on the parameters of bud first bloom time, full bloom time, time from planting to first harvest, number of flower buds and stem length (P<0.01), flower (diameter) width and stem thickness (P<0.05) was found to be statistically significant. First bud bloom, full bloom and time from planting to first harvest are 103.38 days, 103.74 days and 106.28 days (KF63C) respectively, maximum number of flower buds is 4.77 (TV126C), flower diameter is 46.73 mm at the widest (KF63C), the highest stem thickness was 3.39 cm (KF3B) and the highest stem length was 56.33 cm (TV126C). The first flowering time of the buds appeared with a delay of approximately 10-30 days compared to the control with bacterial applications. It is seen that bacterial applications cause an increase on flower stem thickness, flower stem length, flower bud and petal number.
The Effects of Phosphorus and Humic Acid on Some Soil Properties Flowers Quality of Gladiolus
(Mattioli 1885, 2017) Cavusoglu, Mehmet Nuri; Turkoglu, Nalan; Ozdemir, Fethi Ahmet
This study was conducted to determine the effects of various phosphorus and humic acid applications on the development of gladiolus varieties in pot culture. This study was carried out between May 2014 and April 2015. Rose Supreme, Red, and Essential cultivars were grown in soiled pods with 0, 100, 200 mg/kg phosphorus and 0, 1000, 2000 mg/kg humic acid doses. We found that application of humic acid and phosphorus had positively contributed to N and P contents in the soil as well as floret number of gladiolus and flower-stalk length. As a result of the study, optimum doses were determined as 2000 mg/kg humic acid and 200 mg/kg phosphorus with regard to the studied characteristics.
The Effects of Solid and Liquid Earthworm Fertilizer Doses on The Nutrient Content of Narcissus Cv. "royal Connection" Plant of Grown in Ecological Conditions of Siirt Province, Turkey
(Parlar Scientific Publications (p S P), 2019) Bademkiran, Ferhat; Cig, Arzu; Turkoglu, Nalan
Today, an important problem is the conversion of organic wastes into vermicompost and alternative organic fertilizer is obtained which is beneficial to sustain the productivity of the soil. Vermicompost is fertilizer material rich in symbiotic, asymbiotic microorganisms, mycorrhizal fungi and actinomycetes, as well as worm secretions, growth hormones, enzymes, vitamins and amino acids. Vermicompost increases the population of beneficial organism in the soil by using these beneficial properties in plant growth and suppresses diseases and harmful effects and provides positive changes in physical, chemical and biological parameters of soil and provides significant improvements in plant growth and yield and nutrient uptake. This study was conducted in order to examine the effects of solid and liquid earthworm fertilizer dosages on nutrients uptaking of Narcissus cv. 'Royal Connection' plant in the Siirt University in 2016-2017 in the ecological conditions of Siirt province. The 25, 50 and 100 g (S1, S2 and S3) for solid fertilizer and; 0.5%; 1% and 2% (L1, L2 and L3) for liquid fertilizer was applied on each bulb. In the study, some nutrients in leaves and bulbs were analyzed. The mean values of N, P, K, Ca, Mg, Fe, Mn, Zn and Cu contents belong to Narcissus bulbs are varied between 1.633-2.013%, 2.787-4.195%, 0.631-0.795%, 0.366-0.866% (p<0.01), 0.096-0.162% (p<0.05), 179.265-399.063 mg kg(-1) (p<0.01), 14.620-16.674 mg kg(-1); 155.697-461.033 mg kg(-1) (p<0.01), and 30.333-45.799 mg kg(-1), respectively.
Efficient Protocol for Multiple Micro-Shoot Regeneration From Endanger, Endemic and Ornamental Plant Centaurea Fenzlh Reichardt
(Parlar Scientific Publications (p S P), 2018) Turkoglu, Nalan; Ozdemir, Fethi Ahmet; Keskin, Nurhan; Khawar, Khalid Mahmood
Environment damage has brought about the elimination of many plant species, and numerous more are endangered. Similarly, ornamental and endemic Centaurea fenzlii Reichardt that grows in Turkey is threatened that necessities measures for its immediate conservation. In vitro culture techniques are widely used to conserve uncommon, threatened plants. This study reports a proficient technique for multiple micro-shoot regeneration of C. fenzlii. A low recurrence (35%) germination was acquired on MS medium supplemented with 2.60 mu M GA(3). Juvenile leaves were utilized as an explants source. The leaves were regenerated on MS medium that contained 1.11, 2.22, 4.44, 8.88 mu M BAP + 2.685, 5.37, 10.64 mu M NAA. The best callus regeneration percentage was seen on MS medium that used 4.44 mu M BAP + 10.64 mu M NAA. Callus regeneration percentage extended between 21.33 to 66.87. The most noteworthy micro-shoot regeneration percentage was gotten on MS medium containing 8.88 mu M BAP + 2.685 mu M NAA. Micro-shoot regeneration percentage run between 5.66 to 36.87%. The highest number of micro-shoots per explants was noted on MS medium containing 4.44 mu M BAP + 10.64 mu M NAA. Also number of micro-shoots per explants extended between 1.66 to 5.87. The rooting percentage of C. fenzlii was low with a few roots. The best rooting was noted following seven weeks of culture on 4.90 M IBA. IBA appears to act as stimulant in rooting of C. fenzlii.
In Vitro Effect of Ethyl Acetate, Butanol and Water Extracts of Juniperus Excelsa Bieb. on Angiotensin-Converting Enzyme Purified From Human Plasma
(Springer international Publishing Ag, 2019) Basi, Zehra; Turkoglu, Nalan; Turkoglu, Vedat; Karahan, Fatih
Angiotensin-converting enzyme (ACE) was purified from human plasma by affinity chromatography. Effect of ethyl acetate, butanol and water extracts of Juniperus excelsa Bieb. (J. excelsa) fruits on purified ACE activity was investigated. ACE was purified 3659-fold with a specific activity of 1350 EU/mg protein from human plasma. The purity and molecular weight of ACE were determined by SDS-PAGE, and two bands 60kDa and 70kDa are seen on the gel. Ethyl acetate extract of J. excelsa fruits showed an activation effect on human plasma ACE activity. Butanol and water extracts of J. excelsa fruits showed an inhibition effect on ACE activity. IC50 values for butanol and water extracts of J. excelsa fruits were calculated to be 2.858mg/mL and 5.790mg/mL, respectively. Lisinopril was used to be reference inhibitor. Type of inhibition for all inhibitors was designated as non-competitive. IC50 value and K-i constant for lisinopril were determined to be 0.781nM and 0.662nM, respectively. These results show that butanol and water extracts of J. excelsa plant may have an ACE inhibitor potency.
Investigation of the Effects of Some Bacterial Isolates and Fertilizer Applications on Nutrient Contents of Hyacinth
(Univ Agr Sci & veterinary Med Cluj-napoca, 2020) Bintas, Pinar A.; Cig, Arzu; Turkoglu, Nalan
This study was conducted to determine the effect of NPK fertilization and some bacterial species on the macro and micro nutrient element contents of Hyacinthus orientalis cv. 'Delft Blue' leaves and bulbs. In the study carried out under laboratory conditions, according to randomized plot experiment design, full and 50% dose of 20:20:20 NPK commercial fertilizer was applied to hyacinth bulbs as inorganic fertilizer. Nitrogen-fixing bacteria: Cellulomonas turbata (TV54A), phosphate solibilizing bacteria: Bacillus-GC Group (TV119E), nitrogen-fixing and phosphate solibilizing bacteria: Kluyvera cryocrescens (TV113C)were used as biological fertilizers. In this study, the highest mean values of nutrients were obtained as nitrogen (N) 3.866%; phosphorus (P) 334.790 mgkg(-1);potassium (K) 4.534%; iron (Fe) 152.453 mgkg(-1); manganese (Mn) 26.739 mgkg(-1); zinc (Zn) 46.517 mgkg(-1 )and copper (Cu) 8.902 mgkg(-1) (P <0.01) in hyacinth leaves, while calcium (Ca) was 1064.95 mgkg(-1) and magnesium (Mg) was found 1992.92 mgkg(-1), and the difference between the mean values for these two elements was not statistically significant. The highest N, P, Zn and Cu contents of the leaf were obtained by using full dose NPK. The highest mean values of nutrient elements in hyacinth bulbs were 4.382%; P 278.496 mgkg(-1); K, 2.203%; Ca 2322.045 mgkg(-1); Mg 1884.164 mgkg(-1); Mn 39.640 mgkg(-1); Zn was obtained as 40.861 mgkg(-1 )and Cu 7.683 mgkg(-1), whereas Fe was found to have an average value of 140.545 mgkg(-1). In the process of bacteria inoculation K, Ca and Mg content of inoculation; N, P, Mn, Zn and Cu content of 1/2 NPK fertilization was determined to be effective.
Some Phenological and Morphological Properties of Hyacinthus Orientalis Cv. "delft Blue" With Treated Bacterial Inoculations
(Hard, 2021) Bintas, Pinar Arica; Cig, Arzu; Turkoglu, Nalan
This study was conducted to determine the effect of N:P:K fertilization and some bacterial species on the flowering and development of Hyacinthus orientalis cv. 'Delft Blue' plant. In the study carried out under laboratory conditions according to randomized plot experiment design, full and half (1/2) dose of 20:20:20 N:P:K commercial fertilizer was applied to hyacinth bulbs as inorganic fertilizer. Nitrogen-fixing bacteria: Cellulomonas turbata (TV54A), phosphate solubilizing bacteria: Bacillus-GC Group (TV119E) and nitrogen-fixing and phosphate solubilizing bacteria: Kluyvera cryocrescens (TV113C) and TV54A and TV119E bacteria types were used as biological fertilizers. In the study in which some phenological and morphological observations were made, the earliest time of first flowering, full flowering and harvesting were determined as 52.07, 53.70 and 54.66 days in 1/2 N:P:K application and the difference between the applications was found to be statistically significant (P<0.001). Bacterial applications caused a ten-day delay. The highest leaf width average (24.43 mm) was obtained in TV119E application (P<0.01). The maximum number of leaves was 7.13 (1/2 N:P:K), leaf length was 245.57 mm (TV113C) and plant height was 364.24 mm (TV119E). It was found that bacteria prolong the flowering start times, that is, N:P:K fertilization makes flowers bloom in a shorter time. In addition, leaf growth and bacterial inoculation of the plant were determined to be effective.