STM Journals Peer-reviewed research from Consortium e-Learning Network

Research and Reviews : Journal of Crop science and Technology

Non-chemical Management of Tea Diseases

  1. Pranamika Sarmah
  2. Sehnaz Sultana Ahmed
  3. Juri Talukdar

Abstract

Tea (Camellia sinensis), one of the most industrial crops, involved in international trade and tariff is a host to wide array of pathogens. The growing pressure on chemical residue free tea is considered as most prioritized research agenda and hence nonchemical methods have immense significance in tea pest management. Use of botanicals and bioagents is perceived to offer a substantial resistance against pests and diseases by creating a plant defense barrier besides their direct mechanism against the pathogens. A variety of defense enzymes such as Phenylalanine ammonia lyase (PAL), polyphenol oxidase (PPO), peroxidase (PO), glucanase etc. constitute the part of defense barrier, coupled with accumulation of secondary metabolites like caffeine, polyphenols, antioxidants etc. With more incisive studies on mode of action of botanicals and bioagents and large-scale field evaluation, these organic inputs would be an integral part of organic and residue free production system.

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