Self-efficacy and FAB are both directly and indirectly related to global QOL, and coping styles are important mediating variables. Self-efficacy and active coping are protective factors for the QOL of CLBP patients, while FAB and passive coping are risk factors. Health education strategies are recommended by medical personnel to enhance CLBP patients' pain self-efficacy, decrease pain FAB, and modify pain coping styles, so that their global QOL can be improved.
There are many hidden safety hazards in homemade food due to an absence of food preparation and storage knowledge, and this has led to many food safety incidents. The purpose of this study was to explore the influencing factors of consumers’ food risk communication behavior on social media in northeast China, using the protection motivation theory. We integrate the Suan Tang Zi food poisoning accident and the protection motivation theory to develop a conceptual model to predict food safety risk communication on social media. We conducted a questionnaire which adapted measures from the existing Likert scales. A total of 789 respondents from northeast China participated in this study. We tested our hypotheses using a structural equation model. Results show that perceived severity, perceived vulnerability and self-efficacy have a significant influence on consumer protection motivation. Response efficacies have a positive impact on consumer protection motivation, but response barriers have a negative impact on consumer protection motivation. Additionally, information need and protection motivation of consumers have a significant impact on food safety risk communication on social media. Overall, the protection motivation theory accounted for 71% of the variance in food safety risk communication on social media. Practical implications and suggestions are proposed for the related stakeholders, as well as consumers, to encourage the public to participate in the food risk communication in this study. The research findings presented the social media as a kind of food risk communication channel contributes to consumers acquire accurate information on food quickly, in turn, reduce the probability of food poisoning in daily life. Protection motivation theory may provide some insights into how we can increase the rate of food safety risk communication on social media.
Food safety risk communication has attracted widespread attention in China. The government is the leader in food risk communication. It has even more impact on consumers’ willingness to communicate food risk. Thus, this paper constructs a risk communication game model composed of the central government, local government, and consumers under food safety regulatory agencies in China. Based on the evolutionary game theory, we achieved the evolutionary stable equilibrium points under complying different constraint conditions by solving the replicator dynamic equations of parties in the dynamic system. In the end, some numerical examples have been displayed to simulate the agents’ choices. The results show that penalty cost, governance intensity, communication cost, and reputation of the government have an essential impact on consumers’ enthusiasm for food safety risk communication decision-making behavior. Furthermore, the choice of food safety risk communication strategies is performed with a dynamic process, which is constantly adjusted and optimized. The evolutionary game system can converge on an ideal state under certain conditions. Moreover, this study proposes suggestions and measures conducive to the tripartite game, which can offer valuable guidance on food risk communication practice and improve government efficiency in China. This research can provide the evolutionary mechanism and broaden our understanding of the relationship between food safety risk governance and food risk communication strategies.
Aims
Esteya vermicola is an endoparasitic fungus producing lunate conidia, which kill pine wood nematode (PWN), and PWN could cause pine wilt disease (PWD). The aims of this study were to increase production and confirm the resistance (temperature and UV irradiation) of lunate conidia, and further determine the effective concentrations of conidia infecting PWN.
Methods and Results
In this study, rice was used as a carrier to absorb conidial suspension to propagate conidia. The optimal conditions for lunate conidia production were 25°C temperature, 9 days of culture time, 2 : 1 rice/distilled water ratio and 10% inoculum size. The germination rate of E. vermicola cultured on potato dextrose agar was influenced by UV irradiation, similar to growth on rice. Esteya vermicola cultured on rice under heat stress might be more suitable for application in the field. The concentration (1 × 108 conidia per ml) to kill PWN had the highest infectivity among the four conidia concentrations tested after 3 days of inoculation.
Conclusions
This study showed a rice substrate‐supported high‐quality conidia production and the optimal infectivity concentration of E. vermicola.
Significance and Impact of the Study
These results provide the necessary process of an economical and efficient biological control strategy against PWD.
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