Weeds and Herbs as Biofumigants Against Sclerotium rolfsii Sacc. causing Stem and Root Rot of Robusta Coffee Seedlings
Main Article Content
Keywords
biofumigation, Robusta coffee, Sclerotium stem and root rot, Sclerotium rolfsii
Abstract
The study explored the properties of weeds and herbs as biofumigants against stem and root rot of robusta coffee seedlings. All the 10 test biofumigants used significantly reduced population density (cfu/g of soil) of S. rolfsii (Sr) after one month of biofumigation. Delayed symptom of stem and root rot (SRR) disease was manifested by Ceylon spinach- biofumigated soil at 19 days after transplanting (DAT) while the untreated plants were infected earliest at 8 DAT. Ceylon Spinach - and Lemongrass - biofumigated plants exhibited the lowest and comparable percentage infection (PI) of 40.00 and 35.00, respectively. Similar trend was observed on percentage severity infection (%SI). All biofumigants exhibited significantly higher percentage degree of control (%DC) compared to the untreated control. Ceylon Spinach and Lemongrass biofumigants were rated very effective (VE) while the other treatments were rated effective (E) except wild sunflower which was rated moderately effective (ME). Biomass of Ceylon Spinach and Lemongrass were the cost- effective biofumigants to manage SRR of Robusta coffee seedlings in the nursery.
References
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Agrios, N. G. (2005). Plant Pathology. 5th ed. New York: Academic Press Inc. Harcourt Brace and Company. Aja P. M., Okaka, A. N. C., Onu, P. N. U. Ibiam, U., Urako, A. J. (2012). Phytochemical Composition of Talinumtriangulare (Water Leaf) Leaves.
Department of Agriculture – HVCDP. Coffee. Retrieved from http://hvcc.da.gov.ph/coffee.htm (2013).
Fayzalla, E. A. E. El-Barougy,. E. El-Reyes, M.M. (2009). Control of soil-borne pathogenic fungi of soybean by biofumigation with mustard seed meal. Journal Applied Science, 9 (12): 2272-2279. Global Exchange Organization. Coffee in the global economy. Retrieved from http://www.globalexchange.org/fairtrade/coffee/faq (2011).
Manabogan, E. C., & Jover, E. M. (2014). Weeds and herbs as biofumigants agains Sclerotium rolfsii Sacc. causing stem and root rot of robusta coffee seedlings. Thesis Manuscript.
NOMIARC R&D Team. (2011). Biofumigation technology for potato production. Crop production leaflet No. 4 DA Regional Field Unit No. 10, NOMIARC, Dalwangan, Malaybalay City. Obafemi, C. A., Sulaimon, T. O., Akinpelu, D. A.
Olugbade T. A. (2006). Antimicrobial activity of extracts and a germacranolide-type sesquiterpene lactone from Tithoniadiversifolia leaf extract. DOI: 10.5897/AJB06.062.
Philippine Coffee Board (2012). Our coffee heritage: Coffee's Rich History in the Philippines. Retrieved from http://philcoffeeboard.com/philippinecoffee.
Punja, Z. K. (1985). The biology, ecology, and control of Sclerotium rolfsii. Annual Review of Phytopatholgy. 23: 97-127.
Riker, A., & Riker, R. (1936). Introduction to Research on Plant Diseases. St. Louis: John S. Swift Co., Inc. 117p.
Singh, B. P., Chand, J. N. (1972). Assessment of losses of betelvine (piper betle) caused by Sclerotium rolfsii in Jabalpur, India. Science and Culture: 526-527.
StuartXchange Organization. (2015) Philippine Medicinal Plant. Retrieved from http://www.stuartxchange.org/PasauNaBilog.html, 2015.
Tarchoune I., Sgherri C., Baâtour O., Izzo R., Lachaâl M., Navari-Izzo F., & Ouerghi Z., (2012). Phenolic acids and total antioxidant activity in Ocimum basilicum L. grown under Na2SO4 medium. Journal of Medicinal Plants Research, 6(48) pp. 5868-5875.
Varshovi, A., (2005) Organic-based fertilizer, retrieved from http://www.freepatentsonline.com/6852142.html.
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Published
Dec 21, 2016
Article Details
How to Cite
Catubay, E., & Jover, E. M. (2016). Weeds and Herbs as Biofumigants Against Sclerotium rolfsii Sacc. causing Stem and Root Rot of Robusta Coffee Seedlings. Asia Pacific Higher Education Research Journal (APHERJ), 3(2). https://doi.org/10.56278/apherj.v3i2.287
Section
Research Article
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