Abstract
The Ceylon Journal of Science is a peer-reviewed journal published quarterly by the University of Peradeniya, Sri Lanka in March, June, September and December. It is aimed at publishing high quality research articles on topics related to different disciplines in Science. The journal accepts original research articles, book reviews, reviews and mini-reviews, short communications, opinions, research notes, and commentaries and notes. The journal strictly adheres to publication ethics as emphasized by the Committee on Publication Ethics (COPE). The Journal has its own website.The Ceylon Journal of Science is indexed in Sri Lanka Journals Online (SLJOL), Directory of Open Access Journals (DOAJ), Google Scholar and Zoological Records. According to the Google Scholar; H5-Index: 12H5-Median: 15According to the Exaly (1970 – 2021); Impact Factor: 0.6 (top 19%)Extended IF: 0.6 (top 19%) H-Index: 8 (top 28%)Citations/paper: 1.42
Highlights
Damping-off is considered as one of the most destructive diseases both in nurseries and fields during crop cultivation and it is a major constraint responsible for significant reduction of yields and severe economic losses (Lamichhane et al, 2017)
Damping-off disease is caused by Pythium sp., Phytophthora sp., Rhizoctonia sp., and Fusarium sp., and affects seedlings at the nursery stage
When seeds were treated with Talaromyces sp.+Aspergillus sp.+P. oxallicum coculture extracts, the highest seedling emergence percentage was observed in Phytophthora sp
Summary
Damping-off is considered as one of the most destructive diseases both in nurseries and fields during crop cultivation and it is a major constraint responsible for significant reduction of yields and severe economic losses (Lamichhane et al, 2017). The disease is mainly recognized by poor seed germination, prevention of seedling emergence above soil level after germination or decay and death of young seedlings at the soil level (Lamichhane et al, 2017). An effective management of damping-off is achievable by deploying several control strategies that include chemical control methods such as application of fungicides (e.g. captan, metalaxyl, or thiram), use of proper cultivation practices (i.e. application of optimum dose of nitrogenous fertilizers, providing sufficient drainage, bio-fumigation, removal and replacement of top soil with fresh healthy soil every five years, soil solarization), and biological control using bacteria and fungi (Lumsden and Locke, 1989; Deadman et al, 2006; Al-Sadi et al, 2008; Pagoch et al, 2015; Hyder et al, 2021). The use of chemical fungicides has certain disadvantages. They are costly, have negative environmental impacts, and may induce fungicide-resistance in pathogens
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