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Wyświetlanie 1-15 z 243
Tytuł:
Mathematical models in epidemiology and immunology
Autorzy:
Foryś, Urszula
Powiązania:
https://bibliotekanauki.pl/articles/748317.pdf
Data publikacji:
2000
Wydawca:
Polskie Towarzystwo Matematyczne
Tematy:
Epidemiology
Opis:
Artykuł nie zawiera streszczenia
The article contains no abstract
Źródło:
Mathematica Applicanda; 2000, 28, 42/01
1730-2668
2299-4009
Pojawia się w:
Mathematica Applicanda
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania epidemiologiczne i działania interwencyjne dotyczące palenia tytoniu w Polskim Projekcie 400 Miast
Autorzy:
Zdrojewski, Tomasz
Wierucki, Łukasz
Balwicki, Łukasz
Rutkowski, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/635123.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
epidemiology, smoking, intervention
Opis:
Epidemiological survey and antitobacco intervention in Polish 400 Cities ProjecCardiovascular diseases (CVD) represent the principal cause of death in Poland. The main reasons are high prevalence and low detectability of main risk factors: arterial hypertension, diabetes and hyprelipidaemia. Also smoking is one of the main CVD risk factor. Polish 400 Cities Project consists of the following modules: 1. social marketing preceding screening tests and education,2. medical intervention – screening tests,3. education for local leaders regarding health promotion and CVD prevention,4. antitobacco intervention,5. educational intervention for children: training program for teachershealth promotion among pupils,6. training programs for doctors and nurses,7. education for patients with newly-detected diseases.Antitobacco module contains the following interventions:1) social marketing via mass media,2) education among children in schools,3) education for smoking patients with newly-detected diseases,4) training program for doctors: treatment of nicotinism,5) training program for local representatives: elaboration of local antitobacco program,6) in 2006 new module – antitobacco intervention for pregnant women.In years 2003–2006 screening tests were performer among 92378 adults. Tobacco smoking was reported by 12.3% of woman and 21.9% of men, mainly in the age group 25–45 (W 21.1%; M 28.5%). Data from intervention among children show that among 24,005 ten years old boys and girls, 5.7% girls and 12.8% boys say “yes” for the question “have you ever smoke” in the questionnaire interview. In years 2006–2008 the main antitobacco module was antitobacco intervention for pregnant women. The purpose of the research was to measure phenomenon of active and passive smoking among pregnant women in the smallest cities with surrounding villages. The aim was also to trace social features associated with smoking and develop the strategy for future antitabacco interventions. The research was conducted along with intervention based on American College of Obstetricians and Gynecologists 5 A’s model tailored for pregnant women adjusted to Polish organizational limitations. The model include 1) asking about tobacco smoking during every contact with pregnant women, 2) advising not to smoke or avoid passive exposure, 3) assessing the determination to make a quit attempt, 4) assist with the trial, 5) arrange next meeting with the focus on the problem. During the research 919 pregnant women were questioned and examined with micro Co device. Among that number were 22% of active smokers and 31% exposed on passive smoking in their home or work. The prevalence of smoking were higher among lower educated – 46% of women with only primary school compared with 7% of women with university diploma. Smoking was more frequent among women with lower per capita personal income. 80% of smoking pregnant women were motivated to make a quit attempt. 
Źródło:
Zdrowie Publiczne i Zarządzanie; 2009, 7, 2
2084-2627
Pojawia się w:
Zdrowie Publiczne i Zarządzanie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cervical spine injuries in Poland – epidemiology, divisions, and causes
Autorzy:
Wolan-Nieroda, Andżelina
Maciejczak, Andrzej
Guzik, Agnieszka
Przysada, Grzegorz
Wyszyńska, Justyna
Szeliga, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/454659.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
epidemiology
cervical spine
injury
Opis:
Aim. The aim of the study was to review the literature on the prevalence of cervical spine injuries divided between the level of the injury and the causes of fractures. Material and methods. A review of Polish and foreign literature was performed. The following databases were searched: PubMed, Medline, Science Direct, Termedia, and Polish Medical Bibliography. Literature analysis. In Poland the incidence of spinal injuries, including damage to the cord, is estimated at the level of 25–35 persons per one million of the population, half of these being cervical spine injuries. More than one in three of all spinal injuries affect the atlantoaxial and occipital area. It is estimated that axis fractures occur in up to 40% of the cases involving cervical spine injury. Odontoid fractures constitute 10–15% of all cervical spine fractures. Hangman fractures account for 20% of vertebral fractures. Cervical spine injuries more frequently occur in males than in females, and the relevant rates for males are from 1.5 to 2.7 times higher. The most common causes of cervical spine injuries include road traffic accidents, accounting for 33 to 75% of the cases, falls from heights (15–44%) and sports injuries (4–18%). Cervical spine injuries are most often diagnosed in subjects over thirty years of age. Such injuries most commonly are related to the second, fifth and sixth cervical vertebrae. On the other hand damage to the first and second cervical vertebrae is often observed in the same patients who are found with injury to lower cervical vertebrae (approx. 9% of the cases). In the group of advanced age subjects the most frequent cervical spine injuries are axial fractures and they are diagnosed in 15% of adult patients with cervical spine fractures.
Źródło:
European Journal of Clinical and Experimental Medicine; 2017, 1; 66-70
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Forms of physical activity of the elderly
Autorzy:
Czarnecki, Piotr
Podgórska-Bednarz, Justyna
Perenc, Lidia
Powiązania:
https://bibliotekanauki.pl/articles/2038322.pdf
Data publikacji:
2020-09-30
Wydawca:
Uniwersytet Rzeszowski. Wydawnictwo Uniwersytetu Rzeszowskiego
Tematy:
aging
epidemiology
physical activity
Opis:
Introduction. Physical activity is known to be an important factor influencing health throughout human life. This issue has become crucial for public health due to the aging of the population in both developed and developing countries. Aim. is to present a literature review on the forms of physical activity undertaken by the elderly, as well as on issues related to physical activity and the population aging. Material and methods. The study was prepared on the basis of a review of Polish and foreign literature. The following databases and data sources were used: EBSCO, ScienceDirect and Google Scholar. An additional source of data were the websites of the Central Statistical Office. Strictly defined key phrases were used during the collection of literature. The work has been divided into thematic subsections on the aging of the society, the impact of physical activity on health and the main topic, i.e. forms of physical activity selected by the elderly. Analysis of the literature. The number of elderly people in Polish society has increased by almost 3.7 million over three decades. Therefore, an important topic is prophylaxis aimed at increasing the number of days in good health, largely covering the broadly understood activation of the elderly. The available data indicate that only 12% of elderly people undertake physical activity once a week. The most common form of spending free time actively is walking (as many as 73% of people in this population declare this form of physical activity in one of the presented studies). Conclusion. Organized forms of physical activity are undertaken much less frequently by the analyzed age group mainly due to financial limitations and limited availability of sports infrastructure
Źródło:
European Journal of Clinical and Experimental Medicine; 2020, 3; 221-228
2544-2406
2544-1361
Pojawia się w:
European Journal of Clinical and Experimental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of the 2016 Rio de Janeiro Olympics on spectators’ physical activity
Autorzy:
López Sánchez, Guillermo Felipe
Gordon, Dan
Hodgson, Lisa
Stubbs, Brendon
Gardner, Benjamin
Smith, Lee
Powiązania:
https://bibliotekanauki.pl/articles/1491480.pdf
Data publikacji:
2019-10-09
Wydawca:
Atena Research Association
Tematy:
Sport
Public Health
Epidemiology
Opis:
Objectives:  This study aimed to explore the influence of the 2016 Rio de Janeiro Olympics on physical activity motivation and behaviour among spectators. Methods: The sample comprised 1851 spectators (mean age 36.6±12.7 years). Participants were asked via intercept surveys whether the Olympics changed or will change their desire to engage in regular physical activity, and whether they had increased their physical activity. Findings: 60.2% reported changes in their desire to engage in regular physical activity and 51.6% increased their physical activity. Those under 55 years of age were significantly more likely to change their desire to engage in regular physical activity (OR 1.54, 95% CI 1.14 to 2.08). Non-Brazilians (versus Brazilians) were significantly more likely to report a change in their desire to engage in regular physical activity, and to have increased their physical activity (OR 1.28, 95% CI 1.05 to 1.57; OR 1.40, 1.15 to 1.71, respectively). Conclusions: While previous studies have found no relationship between Olympics and population physical activity, our findings suggest that the Olympics may provide a unique opportunity to improve levels of physical activity.
Źródło:
Atena Journal of Sports Sciences; 2019, 1; 1-1
2695-4486
Pojawia się w:
Atena Journal of Sports Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Incidence and prevalence of Systemic Sclerosis (SSc) in Poland - differences between rural and urban regions
Autorzy:
Kanecki, Krzysztof
Goryński, Paweł
Tarka, Patryk
Wierzba, Waldemar
Tyszko, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/986639.pdf
Data publikacji:
2017
Wydawca:
Instytut Medycyny Wsi
Tematy:
epidemiology
rare diseases
hospitalization
Opis:
Introduction. Systemic sclerosis (SSc) is a rare and potentially severe connective tissue disease, characterized by skin fibrosis and involvement of internal organs. Because of its rarity and heterogeneous clinical presentation, reliable epidemiological studies on SSc have been particularly difficult to carry out. Objectives. The purpose of this study was to present SSc epidemiology among hospitalized patients in Poland. Materials and method. The analysis was based on population-based administrative data, taken from a Polish hospital morbidity study carried out by the National Institute of Public Health between January 2008 – December 2012. Results. Analyzed data covered 9,049 hospitalization records. The final sample comprised 3,653 patients with first-time hospitalizations for SSc. The average age of the sample was 53 years (SD 16.2; range 0–91 years); 84% of patients were female and 16% male. Based on hospitalization registers, the average SSc incidence was estimated to be 1.9/100,000 per year and peak age of incidence was 55 years. The point prevalence was estimated to be 9.4/100,000 at the end of 2012. SSc was more common in females, with F:M ratio ranging from 6.2:1–4.6:1 depending on the year. Analysis of hospitalization trends revealed that overall numbers of SSc hospitalizations increased, while first-time hospitalizations decreased between 2008–2012. Clusters of higher incidence were observed in more rural regions vs. urban regions. Conclusion. Estimated incidence of SSc in Poland was comparable to reported incidence in other European countries. Analysis of demographic factors and reports of clusters of higher incidence may suggest the existence of environmental risk factors for the development of SSc. These observations may require further research.
Źródło:
Annals of Agricultural and Environmental Medicine; 2017, 24, 2
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of etiology and treatment methods of epistaxis in adult patients visiting
Autorzy:
Syniec, Michał
Prygiel, Justyna
Dubielska, Anna
Taradaj, Karol
Deja, Michał Deja
Balcerzak, Jarosław
Powiązania:
https://bibliotekanauki.pl/articles/1401816.pdf
Data publikacji:
2015
Wydawca:
Index Copernicus International
Tematy:
epistaxis
anticoagulants
hypertension
epidemiology
Opis:
Introduction: Epistaxis is not only the most commonly seen type of bleeding in laryngological emergency department, but also a frequent reason of visiting this department. It may be a symptom of trivial disorder or serious systemic either chronic disease.Aim of study: The primary objective of this study was to analyze the etiology and treatment methods of epistaxis in adult patients. Material and methods: This was the retrospective study of 574 adult patients who visited the Emergency Department of Otolaryngology in Public Central Teaching Hospital between 1st January and 30th December 2014 because of epistaxis. There were 274 females and 300 males with the mean age of 64,6 years (woman), and 60,3 years (men). Results: 228 patients (39,7%) were chronically treated for hypertension. Blood pressure measurement was performed in 335 patients (58,4%) and elevation over 160 mmHg systolic, or over 95mmHg diastolic took place in 132 cases (22,99%). Other significant factor observed in the study was anticoagulant and antithrombotic drug usage. In 134 cases (22,3%) patients were treated with medicine from this group (the most frequently- acetylsalicylic acid). Other accompanying disorders were: heart failure, atrial fibrillation, diabetes mellitus, other cardio-/cerebro-vascular diseases, COPD, respiratory track infection. The most common intervention in case of epistaxis was nasal packing (Rapid Rhino – 248 patients, Spongostan sponge – 129 patients). Captoprilum was administered in 79 cases (13,8%) to normalize elevated blood pressure. 90 patients (15,6%) required an additional internal medicine consultation. Conclusion: The impaired control of hypertension and treatment with oral anticoagulant (acenocumarol) or antithrombotic drugs (acetylsalicylic acid) were the most common reasons of epistaxis in examined group of patients. The most frequent symptomatic management were packing with Spongostan sponge and Rapid Rhino balloon tampon. Typical anterior nasal tamponade with gauze was much less frequent. The treatment according to the etiology was added if needed.
Źródło:
Polski Przegląd Otorynolaryngologiczny; 2015, 4, 4; 21-26
2084-5308
2300-7338
Pojawia się w:
Polski Przegląd Otorynolaryngologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The prevalence of asthma work relatedness: Preliminary data
Autorzy:
Dudek, Wojciech
Kupryś-Lipińska, Izabela
Wittczak, Tomasz
Świerczyńska-Machura, Dominika
Kupczyk, Maciej
Walusiak-Skorupa, Jolanta
Kuna, Piotr
Pałczyński, Cezary
Powiązania:
https://bibliotekanauki.pl/articles/2177104.pdf
Data publikacji:
2015-08-06
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
asthma
occupational diseases
epidemiology
Opis:
Objectives About 5–10% of asthmatics do not respond well to standard treatment plan. Occupational exposure may be one of the factors that can be linked with treatment failure. The aim of the study was to assess the prevalence of work-related asthma (WRA) among adult asthmatics under follow up in an outpatient allergy clinic and to create a useful tool for detecting individuals with possible WRA. Material and Methods Preliminary 5-question questionnaire designed to recognize WRA was presented to 300 asthmatics. All patients with positive preliminary verification along with 50 subjects from control group were asked to fill up a detailed questionnaire. The WRA was diagnosed by positive match for asthma symptoms in combination with workplace exposure indicated in the detailed WRA questionnaire followed by confirmation of each WRA case by detailed exposure analysis. Results Work-related asthma was recognized in 63 subjects (21% of study group). The preliminary questionnaire has 76.9% sensitivity and 94% specificity in recognition of WRA. Occupational exposure to irritants is a risk factor of WRA recognition (relative risk (RR) = 2.09 (1.44:3.03)). Working in exposure-free environment is a factor against WRA recognition (RR = 0.38 (0.24:0.61)). Among subjects with work-related asthma, the uncontrolled course of the disease is significantly more frequent (p = 0.012). Subjects with WRA more often report sickness absenteeism due to asthma than those without WRA (9.6% vs. 3.2%, respectively), but the observed differences did not reach the statistical significance. Conclusions Short 5-question questionnaire seems to be a promising tool to detect individuals with possible work-related asthma in the outpatient setting for further evaluation and additional attention.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2015, 28, 6; 1025-1029
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variability of clinical characteristic of colorectal cancer patients – analysis of selected parameters
Autorzy:
Copija, Angelika
Głogowski, Łukasz
Walkiewicz, Katarzyna
Janion, Karolina
Nowakowska-Zajdel, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/1035800.pdf
Data publikacji:
2018
Wydawca:
Medical Education
Tematy:
clinical features
colorectal cancer
epidemiology
Opis:
Introduction: A steady increase of the incidence of colorectal cancer has been observed for over 30 years, particularly in well-developed countries. Colorectal cancer is one of the lifestyle-related neoplasms and depends on environmental factors. Aim: Aim of the study was to analyse selected clinical features of colorectal cancer patients. Material and methods: The study group consisted of 577 consecutive patients with colorectal cancer treated in the Department of Clinical Oncology in Bytom in 2006–2014. The patients were included into the study prospectively. The analysis of selected clinical, pathological and anthropometrical parameters was conducted. Results: The study group included 237 women and 341 men aged 26 to 86 years (mean age 64.3 ± 9.2 years). Primary tumours were mostly located in the colon and had histological grade 2. The surgical removal of the primary tumour was performed in 540 patients. 65 patients underwent preoperative radiotherapy, 201 – postoperative chemotherapy and 91 – postoperative radio-chemotherapy. 132 of patients obtained the first-line palliative chemotherapy. 88 of patients did not received oncological treatment. KRAS/RAS mutation were determined in 73 patients and the EGFR expression status in 53 patients. Conclusions: Colorectal cancer patients are a heterogeneous group with differential clinical, pathological and molecular features. 1. Therapeutic management of patients with colorectal cancer largely depends on its location, clinical and pathological stage, patients performance status and comorbidities. 2. Understanding the clinical features of patients with colorectal cancer becomes helpful in designing of screening, which take into account clinical profile of the patient, i.e. age, gender, comorbidities and anthropometric characteristics
Źródło:
OncoReview; 2018, 8, 3; 80-85
2450-6125
Pojawia się w:
OncoReview
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The clinical and epidemiological analysis of lip carcinoma in Holy Cross District in Poland
Autorzy:
Sylwia, Postuła
Bień, Stanisław
Powiązania:
https://bibliotekanauki.pl/articles/1401759.pdf
Data publikacji:
2016
Wydawca:
Index Copernicus International
Tematy:
lip carcinoma
epidemiology
clinical characteristics
Opis:
Objective: Lip carcinoma, as classified according to TNM system, is one of localizations of oral carcinoma. However it differs in numerous factors from other head and neck cancer. Material: 342 patients with diagnosed lip carcinoma, collected from 2001 to 2012, who in majority came from one of Poland’s region – Holy Cross District. Among them 312 were treated primarily with surgery or with surgery + Rtg. Therapy. Methods:In retrospective survey the factors of age, sex and localization of lip carcinoma were taken into analysis. Apart of that in the subgroup who underwent surgery, the local and clinical staging, histopathology and selected patho-morphological factors were also presented. Results: In the analyzed group (n=342) the sex ratio was 6 : 1 in favor of men, with average age of 69,5 years, and the most common location (93,4%) of tumor was the lower lip. The majority of treated patients (n=312) have started therapy at the lover (T1+T2) local stage (93,9%), and in 97,4% squamous cell carcinoma was finally diagnosed. Discussion: Clinico-epidemiological characteristics of presented material is similar to data found in the literature. It must be stressed out that presented results might be comparable only with the data where TNM criteria of the lip are followed.
Źródło:
Polski Przegląd Otorynolaryngologiczny; 2016, 5, 1; 47-53
2084-5308
2300-7338
Pojawia się w:
Polski Przegląd Otorynolaryngologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hand injuries in polytrauma patients
Autorzy:
Żyluk, Andrzej
Fliciński, Filip
Pakulski, Cezary
Powiązania:
https://bibliotekanauki.pl/articles/1391601.pdf
Data publikacji:
2021
Wydawca:
Index Copernicus International
Tematy:
epidemiology
polytrauma
upper limb trauma
Opis:
Hand and forearm injuries are relatively rare in polytrauma patients; their incidence is estimated at 2–5%. Hand and forearm injuries are usually not life threatening, and, therefore are considered of secondary importance, replaced by serious injuries of other body parts. However, they should be treated immediately after stabilization of the general condition of patients, as their delayed management may result in serious dysfunction of the hand. The aim of this study was to determine the incidence, distribution and methods of treatment of hand and forearm injuries in patients treated at the Polytrauma Centre of the SPSK 1 in Szczecin over the period of 4 years. Medical records of 16 patients, 11 men (65%) and 5 women (35%) with a mean age of 34 years (range 19–62) who were treated at the Polytrauma Centre and sustained an additional injury to the hand and/or forearm were analyzed. Medical records of 16 patients, 11 men (65%) and 5 women (35%) at the mean age of 34 years (range 19–62) who were treated in Polytrauma Centre and sustained an additional injury to the hand and/or forearm were analysed. The most common component of polytrauma with associated hand injury was major bone fractures (spine, pelvis and extremities) – 12 cases (70%), followed by chest – 11 (65%), maxillofacial – 9 (53%), brain – 8 (47%) and abdominal injuries – 5 (29%). The most common injury of the distal upper limb was fracture of the distal radius – 9 patients (53%). Two patients sustained excessive crush-degloving injuries which were the primary cause of their admission to the Polytrauma Centre. Nine patients required surgery, predominantly fixation of the distal radius with a plate. All patients survived. The importance of the correct management of hand injuries performed promptly after stabilization of the general condition of polytraumatized patients was emphasized.
Źródło:
Polish Journal of Surgery; 2021, 93, 4; 21-27
0032-373X
2299-2847
Pojawia się w:
Polish Journal of Surgery
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Underdiagnosis of childhood asthma: A comparison of survey estimates to clinical evaluation
Autorzy:
Brożek, Grzegorz M.
Farnik, Małgorzata
Lawson, Joshua
Zejda, Jan E.
Powiązania:
https://bibliotekanauki.pl/articles/2179065.pdf
Data publikacji:
2013-12-01
Wydawca:
Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
Tematy:
children
asthma
clinical epidemiology
underdiagnosis
Opis:
Objectives: Diagnostic patterns play a role in asthma prevalence estimates and could have implications for disease management. We sought to determine the extent to which questionnaire-derived estimates of childhood asthma reflect the disease's true occurrence. Materials and Methods: Children aged 6-12 years from Katowice, Poland, were recruited from a crosssectional survey (N = 1822) via primary schools. Students were categorized into three mutually exclusive groups based on survey responses: "Asthma" (previously diagnosed asthma); "Respiratory symptoms" (no previous diagnosis of asthma and one or more respiratory symptoms during last year), "No respiratory symptoms" (no previous diagnosis of asthma or respiratory symptoms). A sample of children from each group (total N = 456) completed clinical testing to determine asthma presence according to GINA recommendations. Results: Based on the survey, 5.4% of children were classified with asthma, 27.9% with respiratory symptoms, and 66.7% with no respiratory symptoms or asthma. All previously known 41 cases of asthma were confirmed. New diagnoses of asthma were made in 21 (10.9%) and 8 (3.6%) of subjects from the "Respiratory symptoms" (N = 192) and "No respiratory symptoms" (N = 223) groups, respectively. The overall prevalence of childhood asthma, incorporating the results of clinical examination, was 10.8% (95% CI: 9.4-12.2), compared to the questionnaire-derived figure of 5.4% (95% CI: 4.4-6.5%) and affected females more than males. Conclusions: Asthma prevalence was underestimated in this population possibly resulting from under-presentation or under-diagnosis. This could have potential implications for proper management and well-being of children. Questionnaire estimates of prevalence should be considered carefully in the context of regional diagnostic patterns.
Źródło:
International Journal of Occupational Medicine and Environmental Health; 2013, 26, 6; 900-909
1232-1087
1896-494X
Pojawia się w:
International Journal of Occupational Medicine and Environmental Health
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Predicting wheat stripe rust epidemics according to influential climatic variables
Autorzy:
Naseri, B.
Sharifi, F.
Powiązania:
https://bibliotekanauki.pl/articles/2084878.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cereals
climate
epidemiology
yellow rust
Opis:
From 2009 to 2018, a total of 80 wheat crops were studied at plot and regional scales to predict stripe rust epidemics based on influential climatic indicators in Kermanshah province, Iran. Disease onset time and epidemic intensity varied spatially and temporarily. The disease epidemic variable was classified as having experienced nonepidemic, moderate or severe epidemics to be used for statistical analysis. Principal component analysis (PCA) was used to identify climatic variables associated with occurrence and intensity of stripe rust epidemics. Two principal factors accounting for 70% of the total variance indicated association of stripe rust epidemic occurrence with the number of icy days with minimum temperatures below 0°C (for subtropical regions) and below −10°C (for cool temperate and semi-arid regions). Disease epidemic intensity was linked to the number of rainy days, the number of days with minimum temperatures within the range of 7−8°C and relative humidity (RH) above 60%, and the number of periods involving consecutive days with minimum temperature within the range of 6−9°C and RH% > 60% during a 240-day period, from September 23 to May 21. Among mean monthly minimum temperatures and maximum relative humidity examined, mean maximum relative humidity for Aban (from October 23 to November 21) and mean minimum temperature for Esfand (from February 20 to March 20) indicated higher contributions to stripe rust epidemic development. Confirming PCA results, a multivariate logit ordinal model was developed to predict severe disease epidemics. The findings of this study improved our understanding of the combined interactions between air temperature, relative humidity, rainfall, and wheat stripe rust development over a three-season period of autumn-winter-spring.
Źródło:
Journal of Plant Protection Research; 2019, 59, 4; 519-528
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 243

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