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RISS 인기검색어
- 검색키워드
- 저자 : Zahra Ghafari (검색결과 2 건)
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Assessment of the Allelopathic Potential of Cumin Accessions in Different Soil Water Potential
Zahra Ghafari,Hassan Karimmojeni,Mohammad M. Majidi,Bahare Naderi 한국작물학회 2018 Journal of crop science and biotechnology Vol.21 No.3
Allelopathy is one effective solution to reach a healthy life without any pollution. This study was carried out to evaluate the allelopathic potential of 92 Iranian cumin accessions grown under normal conditions and drought stress, according to the sandwich method in the laboratory. In addition, weed infestation of the same cumin accessions was examined in a field by measuring total weed species richness and diversity under normal irrigating conditions. Results indicated that length and fresh weight of radish radicle and hypocotyl are more sensitive than the other germination indices against exuded allelochemicals of cumin seeds. Furthermore, all genotypes showed the average germination percentage to be less than the control samples. They could significantly reduce total species richness and diversity in their surroundings. Weed suppressive percentage of cumin genotypes in the field experiments was positively correlated with inhibition percentage of radicle growth in the laboratory. Water stress increases the allelopathic effects of cumin accessions in laboratory screening. Classification based on principle component method indicated that cumin genotypes were categorized into two clusters in both moisture regimes. Despite having stress factors, only the genotypes 13CGOGK1, 35CSESH1, 65CEAAS, 68CKERF2, 75CYAAR2, and 84CKRTJ2 remained in a group with strong allelopathic activity. According to these results, there is the significant diversity for allelopathic strength in the Iranian cumin germplasm, which can be useful in cumin breeding for weed suppression.
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Occupational risk factors among Iranian farmworkers:
Mahin Ghafari,Zahra Cheraghi,Amin Doosti-Irani 한국역학회 2017 Epidemiology and Health Vol.39 No.-
Farming is one of the most important components of most economies. No comprehensive picture exists of the health status of Iranian farmers and the work-related hazards that affect them. We aimed to determine the gaps in the current knowledge regarding the occupational health of Iranian farmworkers. Electronic databases including Medline, Web of Science, Scopus, and Embase, as well as national databases including the Scientific Information Database, MagIran, and Barakat Knowledge System, were searched for articles published through March 2017. All epidemiologic studies regarding the occupational health of farmworkers in Iran were reviewed, regardless of their design, language, time of publication, and location. Of the 86 retrieved articles, 39 studies were ultimately analyzed. Most studies were conducted in Fars, Kerman, and Mazandaran provinces. According to the results of this review, chemical, physical, and biological hazards, along with work-related injuries, may be the main factors threatening the health of farmworkers. The unsafe use of pesticides was related to male infertility, eye and digestive complications, pesticide poisoning, pesticide absorption, hematological changes, non-Hodgkin lymphoma, and multiple myeloma. Chemical hazards (e.g., the unsafe use of pesticides), physical hazards, injuries, and biological hazards (e.g., work-related infectious diseases) threaten the health of Iranian farmworkers. Moreover, farmworkers lack adequate knowledge about the occupational hazards they face and the relevant risk factors.
KCI
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