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Öğe Alleviation of Cadmium Stress on Pollens of Quince Varieties Through Epibrassinolide(Springer, 2024) Muradoglu, Ferhad; Beyhan, Omer; Demir, Taki; Manzoor, Muhammad Arsalan; Sonmez, Ferit; Balik, Hueseyin IrfanEnvironmental factors significantly impact plant physiological processes, especially during pollination and fertilization. Pollen germination (PG) and pollen tube length (PTL), crucial in plant reproduction, are particularly vulnerable to environmental contaminants that affect fruit sets adversely. This study investigated the impact of varying cadmium (Cd) doses, a significant toxic heavy metal, and the alleviative potential of external 24-epibrassinolide (24-epiBL) applications on cadmium stress, determined through PG and PTL. Quince pollen viability rates, assessed using the TTC (2-3-5-triphenyl tetrazolium chloride) viability test, varied between 38.58% and 55.80%. PG and PTL rates decreased in response to higher Cd doses. The application of epiBL increased PG and PTL, but a notable decline was observed at the 2.00 mu M application. A positive relationship between the application dosage of epiBL and its alleviation effect on Cd stress on PG and PTL was observed except for the 2.00 mM. Results revealed variability in PG and PTL rates among quince varieties, and PG and PTL rates decreased with higher Cd doses. This study suggests that epiBL up to 0.50 mM is an efficient tool for alleviating Cd stress in quince pollens.Öğe Analysis of Nutrient and Heavy Metal Contents of Historical Apple Varieties Growing in the Eastern Anatolia Region of Turkiye(Springer, 2024) Kirs, Tuba; Berk, Selma Kuru; Gundogdu, Muttalip; Muradoglu, Ferhad; Manzoor, Muhammad ArsalanApple's rising popularity among consumers can be attributed to its delightful taste and rich nutritional value. Nonetheless, little is known about the interrelationships between soil, leaf, and fruit pulp minerals. In this investigation, the mineral property relationships between the soils, leaf and fruit pulp of local cultivars were evaluated by correlation analysis. The soil exhibited a texture ranging from sandy loam, with a very low organic matter content. Mineral contents were higher in the leaves compared to the fruit pulp. While macro elements were determined in high amounts, the amounts of iron and zinc from micro elements were insufficient and the amount of manganese was found to be low. While the amount of potassium was determined to be highest in the leaf in 'Cebe girmez' cultivar (23,787 ppm), it was determined to be lowest in the fruit in 'Bey elmas & imath;' cultivar (18,437 ppm). Heavy metals content remained within acceptable limits, the 'Aslik' cultivar exhibiting the highest compared to others. In the fruit, the highest Pb (6.79 ppm) and Cd (0.41 ppm) amounts were determined in 'Aslik' cultivar and the lowest Se amount (0.38 ppm) was determined in 'Bey elmas & imath;' cultivar. Positive correlations were established between mineral elements found in fruit pulp and leaf. This information will be useful for the exploitation of apple resources and for developing appropriate new cultivars to sustain fruit quality.Öğe INFLUENCE OF LEAD STRESS ON GROWTH, ANTIOXIDATIVE ENZYME ACTIVITIES AND ION CHANGE IN ROOT AND LEAF OF STRAWBERRY(Parlar Scientific Publications (P S P), 2016) Muradoglu, Ferhad; Encu, Tarik; Gundogdu, Muttalip; Canal, Sibel BoysanHeavy metals are of widespread occurrence as consequences of human, agricultural and industrial activities. Among heavy metals, lead is a potential pollutant that can accumulate in different tissues organs and thus restrict plant growth. In this study, mechanisms of plant tolerances to lead stress were studied on strawberry (Camarosa cv.) using pot experiment with different Lead Pb(NO3)2 applications ranging from 0 to 80 mg kg-1 using soil culture. The accumulation of Pb2+ and its influence on chlorophyll and malondialdehyde (MDA) contents, activities of superoxide dismutase (SOD), catalase (CAT), ascorbate peroxidase (APX) and ion concentrations were investigated in both root and leaves of strawberry plant. Despite severally decrease in the chlorophyll a and b contents, Pb2+ accumulation, MDA, SOD, and CAT activities were increased with the increase in the Pb2+concentrations both in roots and leaves. However APX activity was shown unsteady increase in roots and leaves. In the roots and leaves macro and micro ion concentrations were shown altered. While micro element concentrations decreased in contrary to macro element concentrations which were increased compare with control. These results indicate that lead stress cause reduction on growth and oxidative damage as shown by the decline in chlorophyll, increase in lipid peroxidase and antioxidant enzyme and alter levels of macro-micro ion concentrations.Öğe Pomegranate's (Punica granatum L.) fruit quality and nutrient content are influenced by soil fraction x root architecture interaction(Wiley, 2024) Muradoglu, Ferhad; Guler, Emrah; Akkus, Gokhan; Basak, Ibrahim; Fawole, Olaniyi AmosAmong the most important factors influencing plant nutrient uptake and water access are soil fraction and root architecture. However, little is known about how soil fraction x root architecture interaction affects woody plants. This study considered the differentiation of soil fertility parameters on layers through the root zone of two different soils and the quality and nutrient responses of three newly bred pomegranate varieties to soil fractions based on root architecture in clay and clay loam orchards. According to the findings, increasing clay content in the deeper layers has a negative impact on soil fertility, organic matter, phosphorus (P), and potassium (K). In clayey conditions, pomegranate varieties yielded lower in a range of 2.74% to 6.10% and significantly lower macro and micronutrient insertion. Conversely, the shallow-rooted variety accumulated significantly more boron (B) and P and set 50% more fruits in the clayey orchards. Soil fractions x root architecture significantly altered fruit quality characteristics, nutrient ingredients, and their relationships supported by a relatively low linear relationship in the Mantel test (r = 0.42). This study suggests that pomegranate tree responses to soil fractions are determined by root architecture. A proper approach to obtaining high-quality and nutritionally fortified pomegranates will incorporate appropriate cultivation techniques, such as suitable fertigation regime regulation, harvest date optimization, and soil organic matter enrichment, to provide uniform nutrient uptake based on the soil type and variety's root architecture.Öğe RESPONSE TO HEAVY METALS ON POLLEN VIABILITY, GERMINATION AND TUBE GROWTH OF SOME APPLE CULTIVARS(Parlar Scientific Publications (P S P), 2017) Muradoglu, Ferhad; Beyhan, Omer; Sonmez, FeritHeavy metal toxicity is one of the major abiotic stresses leading to hazardous effects in plants and pollen are among the most sensitive to atmospheric pollution. Both pollen germination and tube length are inhibited by adverse environmental conditions. Pollen grains from three apple (Gala, Fuji and Braeburn) cultivars were tested for determination of pollen quality (pollen viability, germination ability and tube length) and five types of Heavy metals (Cd, Co, Pb, Hg and Zn). Viability of the pollens were determined by TTC test. The pollen germination experiments were conducted in petri dishes in 10% sucrose, 0.01% boric acid and 22 degrees C temperature for 3 hours. Among the cultivars highest pollen viability were recorded in Braeburn with 81.85%. Heavy metals lead to a significant decrease in pollen germination and tube length of apple cultivars. It was found that there were different cultivars with variable sensitivity to heavy metals on pollen germination and tube length. In general, increasing heavy metal treatments inhibited pollen germination and tube length in all cultivars. Among heavy metals mercury (Hg) had the highest toxic effect on pollen growth and tube length of all cultivars. Heavy metals have negative effect on reproduction of plant due to inhibition of pollen viability and germination.
