Economical and less hazardous fungicide for the management of white root disease

Show simple item record Jayaratne, R. en_US Jayasinghe en_US Wettasinghe en_US 2012-06-25T08:03:51Z 2012-06-25T08:03:51Z 1997 en_US
dc.identifier.citation Journal of the Rubber Research Institute of Sri Lanka80pp.20-29 en_US
dc.description.abstract Rigidoporus lignosus, the causal agent of white root disease is the most destructive root pathogen of Hevea brasiliensis in Sri Lanka.presently 5-8% of the cultivated lands are affected with this deadly disease and are under bare patches. The recommended fungicides in Sri Lanka,Pentachloro nitrobenzene (PCNB)and Pentachloro phenol (PCP),were prohibited due to high mammalian toxicity and the fungicides of the triazole family which are being recommended in other countries such as Malayasia and Ivory Coast are not acceptable to Sri Lankan rubber growers due to the high costs of these chemicals. The observations of experiments carried out with less toxic chemicals revealed that 8-10% phenol in bituminous base could be used as an effective fungicidal "Collar protectant"in the management of white root disease in Sri Lanka.In this paper the econimics and the toxicological impact on the environment are also discussed. en_US
dc.publisher Rubber Research Institute. Agalawatta en_US
dc.subject Agriculture en_US
dc.subject Fungal colony en_US
dc.subject Phenol en_US
dc.subject Rigidoporus lignosus en_US
dc.subject Environmental pollution en_US
dc.title Economical and less hazardous fungicide for the management of white root disease en_US
dc.type Article en_US

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