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  Subjects -> ANIMAL WELFARE (Total: 103 journals)
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  • Effects of Different Rootstocks on Yield and Fruit Quality in the Hafif
           Çukurgöbek Loquat Cultivar

    • Authors: Uğur SEZER; Atila Aytekin POLAT
      Abstract: The aim of the study is to determine the effects of different rootstocks on yield and fruit quality of the Hafif Çukurgöbek (HÇG) loquat cultivar. In the experiment, HÇG loquat cultivar budded on Quince-A, Quince-C, BA-29 quince rootstocks and loquat seedlings were used. In the study, the spacing of plants with quince rootstock was 1.0 m x 0.5 m, while plants with loquat seedling rootstock was 1x1 m. Fruit pomological and yield characteristics of the cultivar/rootstock combinations in the study were determined. In order to determine the fruit quality, 50 fruits were randomly picked from each cultivar/rootstock combination, physical measurements and chemical analyzes were carried out with five replicates. In the study, fruit ripening was firstly realized on BA-29 and Quince-A rootstocks (May 17). In terms of fruit weight, fruit width and fruit length, the highest values were obtained from BA-29 rootstock (24.8 g, 35.5 mm and 37.6 mm, respectively), followed by Quince-A (23.5 g, 34.9 mm and 37.3 mm). Flesh/seed ratio was determined the highest (3.2) in Quince-A rootstock and the lowest (2.5) in loquat seedling rootstock. In terms of total soluble solids, loquat seedling rootstock had the highest value, while Quince-C rootstock had the lowest value. In terms of titratable total acidity, the highest value (0.51%) was obtained from BA-29 rootstock, while the lowest value (0.34%) was obtained from Quince-A rootstock. Rootstocks gave values close to each other in terms of "L" and "b" parameters of fruit skin and flesh color values. Differences between rootstocks in terms of "a" (red-green color) value was found to be statistically significant. In terms of yield per plant, loquat seedlings gave the highest value (1051 g), followed by BA-29 rootstock (955 g). The lowest yield value was obtained from Quince-A (587 g) rootstock. In terms of yield per trunk cross-sectional area, Quince-A (1.02 g mm-2) and BA-29 (0.99 g mm-2) gave the highest value, while Quince-C rootstock gave the lowest value (0.57 g mm-2). These differences between rootstocks were found to be statistically significant. According to the findings of the study, BA-29 rootstock were found to be more successful than other rootstocks in terms of earliness, yield and fruit quality.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • The Effect of Different Nitrogen and Phosphorus Fertilizer Doses on the
           Herbage Yield and Quality Properties of Atriplex nitens Schkuhr

    • Authors: Süleyman TEMEL; Cihan ŞAHİN
      Abstract: There has been no previous study on fertilization on hay yield and quality values of Atriplex nitens Schkuhr. considered as an alternative feed source. With the present study, phosphorus (0, 5, 10, 15 kg da-1) and nitrogen (0, 5, 10, 15 kg da-1) fertilizer doses were applied in combination, and the effect of fertilizer doses on plant height, main stem thickness, number of branches, crude protein ratio, fresh herbage and dry herbage yield, acid detergent fibre (ADF), neutral detergent fibre (NDF), relative feed value (RFV) and crude protein yield was tried to be determined. For that purpose, a three-replication study was designed in randomized blocks according to factorial experiment design in the irrigated experimental field of Igdir University Agricultural Practice and Research Center in 2020. The analysis results showed that only phosphorus fertilizer doses and binary interaction (ADF and RFV) had a significant effect on the examined characteristics. In the results of studying, it was observed that as the dose of phosphorus fertilizer increased, the yield elements increased, whereas the quality values decreased. In the study, it was determined that the highest fresh hay (17379.6 kg da-1), dry hay (4899.3 kg da-1) and crude protein yields (427.15 kg da-1) were obtained from 15 kg P2O5 da-1 application. In terms of binary interaction, the lowest ADF content (38.87%) and the highest RFV (94.22) were obtained from N10P5 and N15P0 applications, respectively. As a consequence, it was determined that Atriplex nitens had no reaction to nitrogen fertilization, but its reaction to phosphorus fertilization was high.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Yield and Nut Traits of Palaz Hazelnut Clones with Low Yield Fluctuation
           from Fatsa (Ordu) Region

    • Authors: Orhan KARAKAYA; Mehmet Fikret BALTA, Serkan UZUN, Fikri BALTA
      Abstract: The study was conducted to determine the clones with tendency of low yield fluctuation in Palaz hazelnut population grown in Fatsa (Ordu) region, in 2015, 2016, 2017 and 2018 years. Palaz clones were examined for four years and tendency of yield fluctuation were determined. It was determined that 4 out of 145 clones investigated has tendency of low yield fluctuation. In the selected clones were determined from 152.2 g (P-3) to 490.2 g (P-2) for plant yield, 1.90 g (P-2) to 2.05 g (P-1) for nut weight, 1.06 g (P-2) to 1.10 g (P-1) for kernel weight, 53.56% (P-1) to 55.64% (P-2) for kernel ratio, 0.93 mm (P-4) to 1.17 mm (P-2) for shell thickness, 16.67 mm (P-2) to 16.97 mm (P-1) for nut size, 12.95 mm (P-4) to 13.15 mm (P-2) for kernel size, 85.98% (P-4) to 89.83% (P-1) for good kernel and 6.97% (P-3) to 11.73% (P-2) for poor fill. First two components formed in result of principle component analysis were explained 80.57% of total variation. The PC1 and PC2 components were related to many traits. While the defective kernel ratio (-0.99) and the total number of clusters (-0.98) had the most effect traits on PC1, the nut width (-0.89) had the most effect traits on PC2. As a result, P-2 clone, which stands out in terms of yield fluctuation, can be used as parent in hazelnut breeding programs.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Quality Performance of Some Local Pear Cultivars on BA29 Rootstock under
           High Density Planting

    • Authors: Ahmet ÖZTÜRK; Zaki A FAIZI
      Abstract: The study aimed to assess the fruit quality characteristics of some local pears grafted on BA29 quince clone rootstock in 2021 and 2022. Pomological, chemical and sensory analyzes were carried out to evaluate fruit quality characteristics. All examined pomological properties were found to be statistically significant. The fruit weight (195.47 g), fruit width (73.56 mm), fruit height (73.72 mm), fruit stalk thickness (3.94 mm) and fruit volume (193.30 ml) of the ‘Karpuz’ pear were higher than the other cultivars. The highest fruit length (90.96 mm) and fruit stalk length (40.22 mm) in the ‘Eşek’ pear; the highest flesh firmness (9.35 kg cm-2) was determined in the ‘Harman’ pear. The total Soluble solid (TSS) content of the ‘Kara’ and ‘Rıza’ pears was higher (16.83% and 16.50%) than the other cultivars. In the color of the fruit skin; the highest L* value was determined in ‘Gelin’, a* value in the ‘Harman’, b* and chroma values in the ‘Karpuz’ and hue angle in the ‘Rıza’ cultivar. The highest L* value was in the ‘Harman’, a* value was in the ‘Kuşak’, b*, chroma and hue angle values were in the ‘Gelin’ pear in terms of fruit flesh color. While ‘Macar’, ‘Harman’ and ‘Eşek’ cultivars had the highest juiciness value, ‘Macar’ and ‘Kuşak’ had the lowest taste and aroma. The highest taste and aroma values were in the ‘Kadın PArmak’ pear; the best visual quality was determined in the ‘Eşek’ cultivar. The highest titratable acid content was observed from the ‘Rıza’ (0.60%). In the study, it was found that the ‘Karpuz’ had higher pomological properties. In general, ‘Karpuz’, ‘Eşek’, and ‘Gelin’ pears exhibited better quality performances in the study. According to the results of the research, ‘Karpuz’, ‘Eşek’ and ‘Gelin’ local cultivars can be recommended for more detailed evoluations. In addition, the local cultivars used in the research can be used as genetic resources.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Fecundity and Clutch Size of Green Shield Bug [Palomena prasina L.
           (Hemiptera: Pentatomidae)]

    • Authors: İslam SARUHAN; İsmail Oğuz ÖZDEMİR, Celal TUNCER
      Abstract: This study was conducted to determine the fecundity, oviposition rhythm and clutch number variations of overwintering adult green shield bug (GSB) Palomena prasina (Hemiptera: Pentatomidae) in cages in hazelnut. The adults of GSB collected from hazelnut orchards were taken into cages on selected branches, one pair of overwintering adults were placed in each cage and the study was carried out with 20 repetitions. Daily observations were made during April-June (April 18-June 22) and it was found that the pest laid 94.88 eggs per female as a result of feeding on hazelnut fruits under field conditions. Oviposition period of females was found as 32 days on average. The average number of egg clutches laid per female is 4.38 and it was found that GSB laid eggs from the last week of April until the third week of June. The time required for each oviposition was varied and the average time was found as minimum 5 days and maximum 11.47 days. While postoviposition period was found as 12.25 days on average, death was found to occur on day 54.3 on average in overwintering females. It was found that most of the 79 clutches laid by the pest under cage conditions were included 28 and 14 eggs and there were an average of 21.62 eggs in the clutches laid by the bug. As a result, the determination of reproductive behaviours of the pest will also contribute to biological researches aiming to develop life tables, population models and biological control measures.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Mammalian Species of Bartın Province and Conversation Status
           (Classis: Mammalia)

    • Authors: Serdar GÖZÜTOK
      Abstract: This research, which was carried out to determine the species belonging to the class Mammalia in the natural environment of Bartın province, includes field studies and literature evaluations carried out between 2016-2017. Sherman traps, photo traps and bat detectors were used to detect the species in field studies. In addition, signs such as mammalian nests, animal body parts, feces, and footprints were recorded. In addition, bone remains of animals in pellets belonging to nocturnal predators were evaluated. Conservation status of the members of the Mammalia class, whose existence has been proven, are given in the tables. According to the data obtained from the study, 30 species included in the six orders of the Mammal class were recorded in Bartın. The most common species in the study area are Sus scrofa Linnaeus, 1758 (Wild boar), Capreolus capreolus (Linnaeus, 1758) (Roe deer), Canis aureus Linnaeus, 1758 (Golden jackal), Vulpes vulpes (Linnaeus, 1758) (Red fox), Martes foina (Erxleben, 1777) (Rock marten), Erinaceus concolor Martin, 1837 (Hedgehog), and Apodemus flavicollis (Melchior, 1834) (Forest mouse). Lutra lutra (Linnaeus, 1758) otter was detected in research areas of Bakioğlu, Budakdüzü, Çaybükü and Hisarköy, as new distribution records for the species.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Determination and Evaluation of Noise Pollution in Layer Hen House: A
           Bursa Case Study

    • Authors: Büşra YAYLI; İlker KILIÇ
      Abstract: Both animals and employees need to improve the indoor conditions in livestock barns and keep them at an optimum level. With the development of automation systems for increased productivity and mechanisation, more systematic production occurs within the poultry houses and the need for a workforce is reduced. However, the increase in industrialisation and herd size can cause noise pollution problems in the poultry house. In this study, noise levels were measured and statistically evaluated in a laying hen farm operating in a battery-type cage in the Bursa region. It is aimed to be assessed according to environmental pollution and animal welfare. It was measured in the corridors between the rows of cages and on the cage floors with the studied facility's noise meter (EXTECH SDL600). The obtained noise data were determined by the SPSS statistical program, the variance analysis of the differences between the corridors and the relationship between the layer hen house environmental factors (temperature, humidity and wind speed) and the regression analysis. According to the results measured throughout the year in the investigated enterprise, the maximum noise intensity was measured as 80.6 dB, and the minimum noise intensity was measured as 76.3 dB. The differences between the noise values measured in the aisles and floors of the cage rows are statistically significant.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Incidence and coat protein characterization of apple stem pitting virus
           isolates from Isparta province of Turkey

    • Authors: Ali ÇELİK
      Abstract: Turkey is one of the major countries in the world in terms of fruit growing due to its climate diversity and geographical features. Apple, which is one of these fruits, is grown intensively in Turkey, and especially the Mediterranean Region is important for apple agriculture. Today, viral diseases are considered as an important yield loss factor in apple farming. This study investigated the incidence and molecular characterization of apple stem pitting virus (ASPV) in Isparta province, a significant apple-producing region in Turkey. By using the DAS-ELISA and RT-PCR methods, ASPV infection was found in 7 out of 70 collected apple leaf samples. The partial nucleotid sequences of ASPV were obtained and registered in GenBank for accession numbers. The generated similarity matrix by using the representative isolates revealed that the new ASPV isolates shared 79–93% of their nucleotide sequences with GenBank reference acessions. The isolates collected in this research were clustered in group 1 of the phylogenetic tree that was created by selecting a specific number of isolates from GenBank and thought to be reliable in the phylogenetic differentiation of ASPV. This is the first study to examine the prevalence of ASPV in the Isparta region and its phylogeny. It is possible that the results of the research will contribute to a better understanding of the situation of ASPV in Turkey.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Effects of Organomineral Fertilizers on Yield and Quality in Cabbage
           (Brassica oleracea var. capitata L.) Cultivation

    • Authors: Hayriye Yıldız DAŞGAN; Vahide ZENGİN
      Abstract: This study was carried out to reveal the effects of organomineral fertilizers on yield and quality in white cabbage (Brassica oleracea var. capitata) cultivation in Hatay /Yayladagı region. Six combinations of mineral and organomineral fertilizers were usedin the experiment. These were; 1) Zero fertilizer as control 2) 0% OM (Organomineral Fertilizer )+100 M (Mineral Fertilizer), 3) 25% OM+75% M, 4) 50% OM+50% M, 5) 75% OM+25% M and 6) 100% OM+0% M. While the fertilizer with a content of 15.15.15% NPK was used for mineral base fertilizer, the content of 15.15.15% NPK+15% organic matter was used for organomineral base fertilizer. Organomimeral top fertilization contained 20% organic matter and 5.0.30NPK+2Mg+trace nutrients was applied. Mineral fertlizer sources for top fertilization were ammonium sülf ate, calcium nitrate, potassium sulfate and magnesium sulfate. The effects of organomineral fertilizers on cabbage yield, cabbage head fresh weight, cabbage head diameter, cabbage head height, cabbage firmness, number of leaf, leaf thickness, vitamin C, total phenol, total flavonoid contents, and macro- micro mineral nutrient contents were investigated. As a result, in terms of yield and cabbage quality properties examined 50% OM+50% M application was recommended in the first place and 75% OM + 25% M application was recommended in the second place.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Parasites Detected in Hatay Mountain Gazelles (Gazella gazella)

    • Authors: Aykut ZEREK; İpek ERDEM, Mehmet YAMAN, Meral AYDENİZÖZ, Fatma Nuray ŞİMŞEK, M. Enes ALTUĞ
      Abstract: The current study aimed to detect parasites in Hatay Mountain Gazelles (Gazella gazella), which are categorized as endangered according to the International Union for Conservation of Nature. The present study was conducted in Hatay Mountain Gazelle Wildlife Development Area, where 40 gazelles inhabited (30 ♀, 10 ♂), 15 of which were over three years old as well-considered adults. Fecal samples were taken from 60 fecal foci immediately after the defecation of the gazelles. Each of the fecal samples was analysed with Benedek sedimentation, Fülleborn flotation and Bearman-Wetzel methods and examined under a light microscope. In addition, Ixodid ticks were collected from an injured gazelle which was brought to Hatay Mustafa Kemal University, Wildlife Rescue and Rehabilitation Center, then were identified under the stereomicroscope. Nematodirus spp. (5/60, 8%), Marshallagia spp. (4/60, 7%), Trichostrongylus spp. (3/60, 5%) eggs, Dictiyocaulus filaria larvae (3/60, 5%) and Eimeria spp. oocysts (9/60, 15%) were determined based on the microscopic examination. Ixodid tick samples were identified as Rhipicephalus turanicus (2 ♀, 3 ♂). Thus this is the first report of the existence of parasites in Hatay Mountain Gazelles in Turkey. It is thought that skin and fecal examinations should be performed to prevent parasitic diseases in gazelles.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Effects of Clonostachys Species as Biocontrol Agents Against Verticillium
           dahliae on Strawberry

    • Authors: Tuba GENÇ KESİMCİ; Erkol DEMİRCİ
      Abstract: This study was conducted to test Clonostachys isolates in the biological control of wilt diseases caused by Verticillium dahliae on strawberry plants. As a result of the isolations made from strawberry plants, 32 Clonostachys isolates were obtained. Cultural, morphological and molecular characterization were used for the identification of these isolates. The isolates were identified as Clonostachys rosea f. rosea (18 isolates) and Clonostachys rosea f. catenulata (14 isolates). It was determined that the inhibition rates were not make a significant difference between the two species in the comparison of the pathogen with C. rosea f. rosea and C. rosea f. catenulata isolates, and the isolates of biocontrol agents had different percentage of effects in inhibiting the mycelial growth of the pathogen in in vitro condition. When the inhibition rates obtained as a result of the study were evaluated, it was determined that the most effective isolate was C. rosea f. rosea Gr13 (48.95%) and C. rosea f. rosea Gr4 (44.75%), respectively.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • The Effects of Different Irrigation Managements on Some Soil Physical and
           Chemical Properties in Hazelnut (Corylus avellana L.) Orchard

    • Authors: Edip Erhan KÜÇÜK; Mustafa SAĞLAM, Serkan İÇ
      Abstract: This study was carried out in the Tekkeköy district of Samsun province to investigate the effects of different irrigation managements (control, 70% irrigation, 100% irrigation, 130% irrigation) on hazelnut orchard. After two years of irrigation management, disturbed and undisturbed soil samples were taken from two different soil depths (0-15 cm and 15-30 cm). Texture components (clay, silt, and sand content), field capacity (FC), permanent wilting point (PWP), pH, electrical conductivity (EC), and total nitrogen (NT) in disturbed soil samples and bulk density (BD) in undisturbed soil samples were determined. The values of available water content (AWC), macroporosity (MacP), and aeration capacity (HC) were calculated using the results of the analysis carried out concerning soil water retention in disturbed and undisturbed soil samples. As a result of the study, the effects of soil depths on permanent wilting point, available water content, bulk density, pH, electrical conductivity, and total nitrogen and of irrigation managements on silt content, sand content, field capacity, permanent wilting point, available water content, bulk density, aeration capacity, and pH were found to be statistically significant. While the effects of soil depth x irrigation management (D x SY) interaction on bulk density and pH were significant, the effect of any treatment on clay content and macroporosity was not significant. It has been determined that the bulk density of the hazelnut orchard soils, depending on the effects of soil depth and irrigation management, has increased at a level that the plant root development can be affected. Also, it was determined that 100% irrigation management had similar effects to the control treatment. While 100% irrigation management provided a higher aeration capacity in the plant root zone by creating less mechanical resistance to plant root growth, 130% irrigation management was the treatment in which the aeration capacity decreased the most.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Isolation of Cold Tolerant Bacteria from Antalya Region and Analysis of
           Their Growth Rates

    • Authors: Münevver AKSOY; İlker UZ, Raziye YILDIZ, Faik KANTAR
      Abstract: Only a portion of chemical fertilizers applied to soil can be used by plants, because nutrients can become insoluble in soil. Application of biofertilizers can make the nutrients bio-available for plants. This practice would be beneficial for both plant productivity and the environment. Aim of this study was to isolate and compare growth rates of bacterial strains isolated from low altitude and high altitude regions of Antalya. Our results showed that, bacterial strains isolated from high alitudes have higher growth rates at room temperature (15-25 C) and temperatures as low as 2 C, compared to strains isolated from low altitudes. This suggests that strains that can grow at 2 C also would have higher enzymatic activities at low temperatures which makes them better candidates for development of biofertilizers. Using cold adapted biofertilizer would have a positive effect on plant productivity in agricultural areas located in cold regions of Türkiye. Therefore, isolation of these organisms and testing of their biofertilizer potential is important for our agricultural applications.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Identification of Genetic Resistance to the Crown and Root Rot Caused by
           Fusarium culmorum and Cereal Cyst Nematode (Heterodera filipjevi) in the
           Turkish Cereal Varieties

    • Authors: Gül ERGİNBAŞ; Abdullah Taner KILINÇ, Salah LAASLİ EDDİNE, Fouad MOKRİNİ, Abdelfattah DABABAT
      Abstract: Soilborne pathogens associated with cereals cause significant yield losses throughout the world. Among soilborne pathogens Heterodera filipjevi and Fusarium culmorum are two main destructive causal agents that attack the roots and crowns of cereals and have been reported as the most prevalent species in Türkiye. A total of 245 Turkish cereal varieties consisting of wheat, oat, triticale and rye which were registered between 1931 to 2013; were tested for their resistance to Fusarium culmorum and Heterodera filipjevi. The varieties were screened under controlled and/or field conditions for two successive growing seasons. The bread wheat ‘Murat-1’ was the most resistant variety for both pathogens. The durum wheats ‘Yelken 2000’ and ‘Yılmaz 98’ were found the most promising varieties for resistance to F. culmorum and H. filipjevi, respectively. The triticale ‘Umranhanim’ ranked moderately resistant at adult plant stage while ‘Presto’ and ‘Melez 2001’ were ranked moderately resistant at seedling stage for Fusarium culmorum. The findings of this study are important for the global wheat breeding programs as those genotypes are still being used in crosses for new genotype development.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Determination of Agromorphological and Biochemical Characteristics of
           Fruits of Plum Cultivars and Genotypes According to Different Maturity
           Stages

    • Authors: Esengül ÇATAK; Mustafa Kenan GEÇER, Rafet ASLANTAŞ
      Abstract: This study was conducted on five commercial plum cultivars are grown in Iğdır province and five wild plum genotypes commonly found in the province. The pomological properties, vitamin C, organic acids contents and phenolic compounds contents of plum fruits were determined. As for the pomological properties, fruit weight was measured as 130.5 g in Autumn Giant cultivar, while fruit thickness was 56.4 mm, fruit length was 48.6 mm, and fruit width was 53.3 mm. The fruit stem length was 13.7 mm in Japanese cultivar. Among phytochemicals; in the highest titratable acidity was detected in Angelino cultivar (2.1%), while the highest soluble solid content was determined in Green Plum (21.4%), the pH in Type 5 genotype (3.7), vitamin C in Type 2 genotype (29.44 mg 100g-1); of organic acids, oxalic acid was determined to be the highest in Type 3 genotype (8.043 mg 100g-1), citric acid in Autumn Giant cultivar (27.142 mg 100g-1), malic acid in Black Splendor cultivar (5.121 mg 100g-1), succinic acid (5.541 mg 100g-1) and fumaric acid (7.071 mg 100g-1) was determined in Angelino cultivar. From phenolic compounds; gallic acid was determined to be the highest in Type 4 genotype (2.078 mg 100g-1), protocatechuic acid in Angelino cultivar (1.975 mg 100g-1), catechin in Type 4 genotype (6.971 mg 100g-1), chlorogenic acid (20.027 mg 100g-1) and vanillic acid (0.589 mg 100g-1) in Autumn Giant cultivar, caffeic acid in Type 4 genotype (1.016 mg 100g-1), syringic acid in Type 4 genotype (0.982 mg 100g-1), p-coumaric acid in Angelino cultivar (1.712 mg 100g-1), ferulic acid in Type 5 genotype (1,647 mg 100g-1), o-coumaric acid in Angelino cultivar (0.388 mg 100g-1), rutin in Black Splendor cultivar (0.981 mg 100g-1). It has been observed that there is a great diversity among the plum genotypes.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Effects of Grafted Tomato Seedling Production on the Qualıty of
           Tomato Plants

    • Authors: Olcay Sezen Asrın TEZCAN; Aslıhan ÇİLİNGİR TÜTÜNCÜ, Abdurrahman AY, Harun ÖZER
      Abstract: This study aimed to determine the growth rates of tomato seedlings (Solanum lycopersicum cv. SC-2121) grown as grafted and ungrafted seedling until the first fruit set period after planting. For this purpose, SC-2121 tomato cultivar was grafted onto three different tomato rootstocks (Kudret F1, Hamarat F1, Pençe F1). In addition, the ungraftes SC-2121 tomato variety was accepted as a control. The highest stem diameter (12.3 mm), plant height (35 cm) and root projection area (1.405 cm2) were determined in tomato plants grafted on Pençe F1 rootstock. The highest leaf chlorophyll content (50 CCI) and relative growth rate (0.037 gm-2 day-1) were obtained from tomato plants grafted on Hamarat F1 rootstock. As a result of the study, plant relative growth rate and quality were increased in grafted plants. However, the growth rate of tomato plants grown without grafting was similar to plants grafted on Kudret F1 and Pençe F1 rootstocks. In addition, However, stem diameter and plant height values of control plants were superior to plants grafted on Kudret F1 and Hamarat F1 rootstock, but were similar to plants grafted on Pençe F1 rootstock.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
  • Assessment of The Effect of Gamma Ray Treatments on Pollen Behavior in
           Cyclamen

    • Authors: Mehmet TÜTÜNCÜ; Yeşim MENDİ
      Abstract: The aim of the study is to evaluate the effects of gamma irradiation on pollen grains of Cyclamen persicum L. which is a valuable ornamental pot plant. Pollens were irradiated at different doses (0, 50, 100, 150, 200, 300, 450 Gy) of gamma-ray using Co-60 source and pollen viability and in vitro pollen germination test were carried out and tube length of in vitro germinated pollens was measured. Additionally, in vivo pollen development was visualized by performing an aniline blue fluorescence method. Average pollen viability was ranged from 82.02% to 87.03%. The highest pollen germination rate (66.13%) was observed in the control group at 24 h after irradition, while the lowest rate (28.51%) was determined in 450 Gy treatments at 72 h after irradition. The shortest pollen tube length (48.02 µm) was observed at 72 h old non-irradiated pollen grains, while the most extended pollen tube length (79.37 µm) was determined in pollen grains irradiated with 300 Gy at 24 HAI. When the irradiation dose increases from 150 Gy to 450 Gy, inhibition on pollen germination and pollen tube elongation within the style were observed.
      PubDate: Thu, 15 Dec 2022 00:00:00 +030
       
 
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