Screening of Tomatoes for Their Resistance to Salinity and Drought Stress

In the study, 55 tomato genotypes have been investigated for their responses against salinity stresses in 48 day old early plant growth stage. For these purposes, several morphological and physiological measurements and analysis have been done in stressed plants. Shoot and root dry weights, plant height, leaf number, leaf area, relative water content, stomatal conductance, leaf osmotic potential, leaf water potential, shoot K, Ca and Cl concentrations were measured and analyzed. Salt and drought tolerant and sensitive (intolerant) genotypes have been found out according to the responses of the tomato genotypes to the above mentioned morphological and physiological parameters. At the end of the study, the fifty-five tomato genotypes were classified as tolerant, mildly tolerant or susceptible. Shoot dry weight, plant total leaf area, leaf water potential, leaf osmotic potential, stomatal conductance, K, Ca, Na and Cl concentrations in shoot and root, K/Na, Ca/Na, membrane injury index and visual appearance of damages were more relevant parameter for screening studies. Keywords: Stress, saline, water, tolerance, selection, breedin

Sense of place in the changing process of house form: Case studies from Ankara, Turkey

This paper aims to investigate the impact of typomorphological changes of residential environments on residents’ sense of place’. Seven housing developments representing different types introduced in Ankara, Turkey since the late 19th-century are selected as case studies. Their morphological characters at the building, street and neighbourhood scales are examined, and typological transformations among the cases in terms of the degrees of continuity are identified. The paper proposes a conceptual model consisting of ten indicators to assess sense of place at the building, street and neighbourhood scales of the residents of the seven cases. The scores of sense of place are generated through structured interviews with the residents and analysed in SPSS. The results show that sense of place is negatively affected by typomorphological changes over time, particularly when mutational changes occur. Continuity in typomorphological transformation helps to maintain sense of place at a desirable level. Furthermore, physical changes at the street and neighbourhood scales have larger impact on sense of place than that at the building scale. The research thus suggests that planning and design should be responsive to traditional types in residential development, particularly at the street and neighbourhood scales to maintain residents’ sense of place

Comparison of Physiological Parameters for Drought in Tomatoes Between Early Stage in Pot and Mature Stage in Field

4th International Conference on Agriculture and Horticulture (AGRI) -- FEB 15-17, 2015 -- Amsterdam, NETHERLANDSWOS: 000380953000072Forty-five days old tomato plants grown in pot and 122 days old tomato plants grown in field were compared for drought responses. The relationships between young and mature plants responses will be useful to shorten the drought breeding process and it will not be necessary to grow the melon plants until the mature stage. Therefore time, labor and money can be saved in the drought breeding programs. Twenty-four different tomato genotypes were used for the pot and field experiments. The stomatal conductance, membrane injury, leaf water potential, leaf osmotic potential, leaf temperature, leaf Ca and K concentrations, shoot fresh weight and the visual shoot appearance by the 1-5 scale evaluation were investigated. The degree of the drought stress was 50 % irrigation of the control plants. The main results of the tomato research were: 1) The data relative to control showed definitely higher relationships than the data in absolute under the drought, 2) The most important relationships between young and mature tomato plants that can be used to shorten screening/breeding process were stomatal conductance (r = 0.608), leaf calcium (Ca) concentration (r = 0.573), membrane injury index (r = 0.510), leaf water potential (r = 0.499), shoot fresh weight (r = 0.477), shoot damage visual scale appearance (r = 0.314) and the leaf potassium concentration (r = 0.2043), respectively. (C) 2015 The Authors. Published by Elsevier B.V

The Physiological Parameters to Compare for Drought Between Early Stage In Pot and Mature Stage In Field for Melons

4th International Conference on Agriculture and Horticulture (AGRI) -- FEB 15-17, 2015 -- Amsterdam, NETHERLANDSWOS: 000380953000148Melon research was carried out in order to investigate the relationships of drought responses between young and mature plants. These relationships will be useful to shorten the drought breeding process and it will not be necessary to grow the melon plant until the mature stage. Therefore time, labor and money can be saved in the drought breeding programs. Twenty-nine days old plants grown in pot and 113 days old plants grown in field under the drought stress were compared for some physiological parameters. The number of melon genotypes was 29 for both the pot and field experiments. The parameters investigated were stomatal conductance, membrane injury, leaf water potential, leaf osmotic potential, leaf temperature, leaf Ca and K concentrations. The main results of the melon research were: 1) The data relative to control showed definitely higher relationships than the data in absolute under the drought, 2) The most important relationships between young and mature tomato plants that can be used to shorten screening/breeding process were stomatal conductance, leaf temperature, leaf osmotic potential, membrane injury, and leaf Ca concentration, respectively. (C) 2015 The Authors. Published by Elsevier B.V

Medical Faculty Students' Attitudes, Behaviors and Beliefs About Covid-19 Pandemic

Objective: The aim of this study is to evaluate the attitudes, behaviors, and beliefs of medical faculty students about the covid-19 pandemic

Caffeic acid phenethyl ester protects against oxidative stress and dampens inflammation via heme oxygenase 1

Periodontal disease is associated with chronic oxidative stress and inflammation. Caffeic acid phenethyl ester (CAPE), which is a potent inducer of heme oxygenase 1 (HO1), is a central active component of propolis, and the application of propolis improves periodontal status in diabetic patients. Here, primary murine macrophages were exposed to CAPE. Target gene expression was assessed by whole-genome microarray, RT-PCR and Western blotting. The antioxidative and anti-inflammatory activities of CAPE were examined by exposure of the cells to hydrogen peroxide, saliva and periodontal pathogens. The involvement of HO1 was investigated with the HO1 inhibitor tin protoporphyrin (SnPP) and knockout mice for Nrf2, which is a transcription factor for detoxifying enzymes. CAPE increased HO1 and other heat shock proteins in murine macrophages. A p38 MAPK inhibitor and Nrf2 knockout attenuated CAPE-induced HO1 expression in macrophages. CAPE exerted strong antioxidative activity. Additionally, CAPE reduced the inflammatory response to saliva and periodontal pathogens. Blocking HO1 decreased the antioxidative activity and attenuated the anti-inflammatory activity of CAPE. In conclusion, CAPE exerted its antioxidative effects through the Nrf2-mediated HO1 pathway and its anti-inflammatory effects through NF-κB inhibition. However, preclinical models evaluating the use of CAPE in periodontal inflammation are necessary in future studies