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1860799830089007104
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INTELEK Repository
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Online Access
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https://intelek.unisza.edu.my/intelek/pages/search.php?search=!collection407072
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2011-07-18 14:02:13
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Restricted Document
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7563
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UniSZA
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Ahmad, A., Kadir, J., Sariah, M. & Juraimi, A. S. 2004. Evaluation of Drechslera sp. for potential bioherbicide control of itch grass (Rottboellia cochinchinensis (Poaceae)): Screening and host range tests. In Proceedings Third International Conference on Biopesticides. M. S. Mulla (ed.). The Department of Entomology, University of California, Riverside, CA 92521, USA. p. 181- 184. Alcorn, J. L. 1988. The taxonomy of ‘Helminthosporium’ species. Annu. Rev. Phyopathol. 26: 37-56. Auld, B. A., Shane, A., Hetherington, D. & Smith, H. E. 2003. Advances in bioherbicide formulation. Weed Biology and Management 3(2): 61-67. Ballio, A. 1991. Non-host-selective fungal phytotoxins: Biochemical aspects of their mode of action. Experientia 47: 783-790. Egley, G. H. & Boyette, C. D. 1995. Water-corn oil emulsion enhances conidia germination and mycoherbicidal activity of Colletotrichum fruncatum. Weed Science 32: 312-317. Egley, G. H., Hanks, J. E. & Boyette, C. D. 1993. Invert emulsion droplet size and mycoherbicidal activity of Colletotrichum fruncatum. Weed Technology 7: 417-424. Gomez, K. A. & Gomez, A. A. 1984. Statistical Procedures for Agricultural Research 2nd Edition. J. Wiley, N. Y. 680 pp. Horsfall, J. G. & Cowling, E. B. 1978. Pathometry: The measurement of plant disease. In Plant Disease: An Advance Treatise. J. G. Horsfall and E. B. Cowling (eds.). Academic Press, New York. 2: 119-136. Ito, S. 1930. On some new ascigerous stages of the species of Helminthosporium parasitic on cereal. Proc. Imp. Acad. Tokyo 6: 352-355. James, W. C. 1974. Assessment of plant disease and losses. Annu. Rev. Phytopathol. 12: 27-48. Kadir, J., Sajili, M. H., Juraimi, A. S. & Napis, S. 2008. Effect of Exserohilum monoceras (Drechslera) Leonard & Suggs on the competitiveness of Echinocloa cruss-galli (L.) P. Beauv. Pertanika J. Trop. Agric. Sci. 31(1): 19-26. Kadir, J. B. & Charudattan, R. 2000. Dactylaria higginsii, a bioherbicide agent for purple nutsedge (Cyperus rotundus). Biol. Control 17: 113-124. Kadir, J. B., Charudattan, R. & Berger, R. D. 2000a. Effects of some epidemiological factors on levels of disease caused by Dactylaria higginsii on Cyperus rotundus. Weed Science 48: 61-68. Kadir, J. B., Charudattan, R., Stall, W. M. & Brecke, B. J. 2000b. Field efficacy of Dactylaria higginsii as a bioherbicide for the control of purple nutsedge (Cyperus rotundus). Weed Technol. 14: 1-6. Kranz, J. 1988. Measuring plant disease. In Experimental Techniques in Plant Disease Epidemiology. J. Kranz and J. Rotems (eds.). Springler, Berlin. p. 35-50. Leonard, K. J. & Suggs, E. G. 1974. Setosphaeria prolata, the ascigerous state of Exerohilum prolatum. Mycologia 66: 281-297. Morin, L. 1993. The prospects for biological control of the noogoora burr complex with naturally occurring fungi in Australia. PhD Thesis. University of New England, Armidale, NSW. 150 pp. Sivanesan, A. 1987. Graminicolous species of Bipolaris, Curvularia, Drechslera, Exserohilum and their telemorphs. Mycol. Pap. 158: 1-249. Standifer, L. C., Wilson, P. W. & Proche-Sorbet, R. 1984. Effects of solarization on soil weed populations. Weed Sci. 32: 596-573. Sugawara, F., Takashi, N., Strobel, G., Strobel, S., Liu, H., Clardy, J., Triticones, A. & B. 1988. Novel phytotoxins from the plant pathogenic fungus Drechslera tritici-repentis. J. Am. Chem. Soc. 110: 4086-4093. Teasdale, J. R., Beste, C. E. & Potts, W. E. 1991. Response of weeds to tillage and cover crop residue. Weed Sci. 39: 195-199. Walton, J. D. & Panaccione, D. G. 1993. Host-selective toxins and disease specificity: Perspectives and progress. Ann. Rev. Phytopathol. 31: 275-303. Zhang, W. M., Moody, K. & Watson, A. K. 1996. Responses of Echinochloa species in rice (Oryza sativa) to indigenous pathogenic fungi. Plant Disease 8: 1053-1058. Zhang, W. M. & Watson, A. K. 1997. Efficacy of Exserohilum monoceras for the control of Echinochloa species in rice (Oryza sativa). Weed Sci. 45: 144-150.
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7563 https://intelek.unisza.edu.my/intelek/pages/view.php?ref=7563 https://intelek.unisza.edu.my/intelek/pages/search.php?search=!collection407072 Restricted Document Article Journal application/pdf 15 1.6 Adobe Acrobat Pro DC 20 Paper Capture Plug-in Adobe InDesign CS5 (7.0) 2011-07-18 14:02:13 xmp.did:F77F1174072068118A6DDA55DAEB057D 3108-01-FH02-FBIM-17-10922.pdf UniSZA Private Access Potential of Exserohilum monoceras as a Bioherbicide for Controlling Echinochloa crus-galli (Rumput Sambau) Journal of Agrobiotechnology The fungus isolated from diseased Echinochloa crus-galli was identified as Exserohilum monoceras, based on the conidial morphology, germination characteristics and hilum morphology. The objectives of this study were to screen and isolate fungal pathogen of E. monoceras from infected E. crus-galli as well as to determine the pathogenicity of E. monoceras and the optimum conditions for growth and sporulation of E. monoceras. In repeated trials, the pathogenicity of this fungus to its host was confirmed by Koch’s postulate. The pathogen caused a high level of disease on E. crus-galli where symptoms appeared within 24 h of inoculation. It induced eyespot lesions typical of infection by Exserohilum spp. and induced a severe ‘burnt’ appearance on the foliage of E. crus-galli. The leaf tissues in the vicinity of heavy infestation were completely killed. The disease did not develop on non-inoculated plants, which was indicative of localized infection and lack of significant secondary disease cycles. The laboratory study indicated that better growth and appressoria production can be attained when the fungus is exposed to temperature in the range of 25 to 30 oC. This study also indicated that Maxigreen®, which is an adjuvant, when mixed with sunflower in the ratio of 0:5:7 is ideal for formulating the conidia. This research has illustrated that solid media such as agar is an excellent growth media, but spore production has been influenced by the nutrient content of the media. The best medium for sporulation was half strength V8 juice agar. 2 201 1-15 Ahmad, A., Kadir, J., Sariah, M. & Juraimi, A. S. 2004. Evaluation of Drechslera sp. for potential bioherbicide control of itch grass (Rottboellia cochinchinensis (Poaceae)): Screening and host range tests. In Proceedings Third International Conference on Biopesticides. M. S. Mulla (ed.). The Department of Entomology, University of California, Riverside, CA 92521, USA. p. 181- 184. Alcorn, J. L. 1988. The taxonomy of ‘Helminthosporium’ species. Annu. Rev. Phyopathol. 26: 37-56. Auld, B. A., Shane, A., Hetherington, D. & Smith, H. E. 2003. Advances in bioherbicide formulation. Weed Biology and Management 3(2): 61-67. Ballio, A. 1991. Non-host-selective fungal phytotoxins: Biochemical aspects of their mode of action. Experientia 47: 783-790. Egley, G. H. & Boyette, C. D. 1995. Water-corn oil emulsion enhances conidia germination and mycoherbicidal activity of Colletotrichum fruncatum. Weed Science 32: 312-317. Egley, G. H., Hanks, J. E. & Boyette, C. D. 1993. Invert emulsion droplet size and mycoherbicidal activity of Colletotrichum fruncatum. Weed Technology 7: 417-424. Gomez, K. A. & Gomez, A. A. 1984. Statistical Procedures for Agricultural Research 2nd Edition. J. Wiley, N. Y. 680 pp. Horsfall, J. G. & Cowling, E. B. 1978. Pathometry: The measurement of plant disease. In Plant Disease: An Advance Treatise. J. G. Horsfall and E. B. Cowling (eds.). Academic Press, New York. 2: 119-136. Ito, S. 1930. On some new ascigerous stages of the species of Helminthosporium parasitic on cereal. Proc. Imp. Acad. Tokyo 6: 352-355. James, W. C. 1974. Assessment of plant disease and losses. Annu. Rev. Phytopathol. 12: 27-48. Kadir, J., Sajili, M. H., Juraimi, A. S. & Napis, S. 2008. Effect of Exserohilum monoceras (Drechslera) Leonard & Suggs on the competitiveness of Echinocloa cruss-galli (L.) P. Beauv. Pertanika J. Trop. Agric. Sci. 31(1): 19-26. Kadir, J. B. & Charudattan, R. 2000. Dactylaria higginsii, a bioherbicide agent for purple nutsedge (Cyperus rotundus). Biol. Control 17: 113-124. Kadir, J. B., Charudattan, R. & Berger, R. D. 2000a. Effects of some epidemiological factors on levels of disease caused by Dactylaria higginsii on Cyperus rotundus. Weed Science 48: 61-68. Kadir, J. B., Charudattan, R., Stall, W. M. & Brecke, B. J. 2000b. Field efficacy of Dactylaria higginsii as a bioherbicide for the control of purple nutsedge (Cyperus rotundus). Weed Technol. 14: 1-6. Kranz, J. 1988. Measuring plant disease. In Experimental Techniques in Plant Disease Epidemiology. J. Kranz and J. Rotems (eds.). Springler, Berlin. p. 35-50. Leonard, K. J. & Suggs, E. G. 1974. Setosphaeria prolata, the ascigerous state of Exerohilum prolatum. Mycologia 66: 281-297. Morin, L. 1993. The prospects for biological control of the noogoora burr complex with naturally occurring fungi in Australia. PhD Thesis. University of New England, Armidale, NSW. 150 pp. Sivanesan, A. 1987. Graminicolous species of Bipolaris, Curvularia, Drechslera, Exserohilum and their telemorphs. Mycol. Pap. 158: 1-249. Standifer, L. C., Wilson, P. W. & Proche-Sorbet, R. 1984. Effects of solarization on soil weed populations. Weed Sci. 32: 596-573. Sugawara, F., Takashi, N., Strobel, G., Strobel, S., Liu, H., Clardy, J., Triticones, A. & B. 1988. Novel phytotoxins from the plant pathogenic fungus Drechslera tritici-repentis. J. Am. Chem. Soc. 110: 4086-4093. Teasdale, J. R., Beste, C. E. & Potts, W. E. 1991. Response of weeds to tillage and cover crop residue. Weed Sci. 39: 195-199. Walton, J. D. & Panaccione, D. G. 1993. Host-selective toxins and disease specificity: Perspectives and progress. Ann. Rev. Phytopathol. 31: 275-303. Zhang, W. M., Moody, K. & Watson, A. K. 1996. Responses of Echinochloa species in rice (Oryza sativa) to indigenous pathogenic fungi. Plant Disease 8: 1053-1058. Zhang, W. M. & Watson, A. K. 1997. Efficacy of Exserohilum monoceras for the control of Echinochloa species in rice (Oryza sativa). Weed Sci. 45: 144-150.
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| spellingShingle |
Potential of Exserohilum monoceras as a Bioherbicide for Controlling Echinochloa crus-galli (Rumput Sambau)
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| summary |
The fungus isolated from diseased Echinochloa crus-galli was identified as Exserohilum monoceras, based on the conidial morphology, germination characteristics and hilum morphology. The objectives of this study were to screen and isolate fungal pathogen of E. monoceras from infected E. crus-galli as well as to determine the pathogenicity of E. monoceras and the optimum conditions for growth and sporulation of E. monoceras. In repeated trials, the pathogenicity of this fungus to its host was confirmed by Koch’s postulate. The pathogen caused a high level of disease on E. crus-galli where symptoms appeared within 24 h of inoculation. It induced eyespot lesions typical of infection by Exserohilum spp. and induced a severe ‘burnt’ appearance on the foliage of E. crus-galli. The leaf tissues in the vicinity of heavy infestation were completely killed. The disease did not develop on non-inoculated plants, which was indicative of localized infection and lack of significant secondary disease cycles. The laboratory study indicated that better growth and appressoria production can be attained when the fungus is exposed to temperature in the range of 25 to 30 oC. This study also indicated that Maxigreen®, which is an adjuvant, when mixed with sunflower in the ratio of 0:5:7 is ideal for formulating the conidia. This research has illustrated that solid media such as agar is an excellent growth media, but spore production has been influenced by the nutrient content of the media. The best medium for sporulation was half strength V8 juice agar.
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| title |
Potential of Exserohilum monoceras as a Bioherbicide for Controlling Echinochloa crus-galli (Rumput Sambau)
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| title_full |
Potential of Exserohilum monoceras as a Bioherbicide for Controlling Echinochloa crus-galli (Rumput Sambau)
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| title_fullStr |
Potential of Exserohilum monoceras as a Bioherbicide for Controlling Echinochloa crus-galli (Rumput Sambau)
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| title_full_unstemmed |
Potential of Exserohilum monoceras as a Bioherbicide for Controlling Echinochloa crus-galli (Rumput Sambau)
|
| title_short |
Potential of Exserohilum monoceras as a Bioherbicide for Controlling Echinochloa crus-galli (Rumput Sambau)
|
| title_sort |
potential of exserohilum monoceras as a bioherbicide for controlling echinochloa crus-galli (rumput sambau)
|