Chandra Mohanan, R.Nampoothiri, K.U.K.2014-07-162014-07-162007-02Role of resistance in intensive agriculture p 92-97http://hdl.handle.net/123456789/4167Yellow leaf disease (YLD) is the most serious malady affecting arecanut in Kerala and Karnataka States. The disease causes qualitative and quantitative loss. Phytoplasma is the causal organism of YLD and the plant hopper, Proutista moesta is the vector. Detailed studies were conduced on disease transmission, antibiotic therapy, vector control and screening of varieties and hybrids. Criteria for effective screening of field tolerant palms have been formulated and YLD-free elite palms in hot spots have been identified. Multiplication of YLD-free elite palms to establish nucleus seed gardens is in progress.enArticle