Abstract
Host Plant Resistance (HPR) is an effective, economical and eco-friendly method introduced for pest management. The concept of HPR has been emphasized mainly in order to reduce the use of pesticides as it provides opportunities to improve research and extension documentation to assist producers. It can also be taken as an effective tool for sustainable agriculture also focusing over the creation of organic farming where very low doses of pesticides are said to be applied if we can focus over this technology. But still in Nepal, the limitation of germplasm availability and development of biotype that can overcome resistance compared to the developed and other developing countries creates disadvantageous situations to completely depend upon this technology right now. Much interest in biotechnology relative to developing insect-resistant plants is in methods known collectively as genetic transformation, rDNA methods, or genetic engineering. These methods enable transfer of a resistance gene that could not be transferred by traditional sexual hybridization. NARC and Government need to prioritize moreover to the entomological research from onwards by increasing manpower in this sector and developing improved resistant and also regarding storage and multiplication of those germplasms.
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