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Rice planthoppers are the most widespread and destructive pest of rice. The planthopper control depends greatly on the understanding of molecular players involved in resistance to planthopper. This paper summarizes the recent progress in the understanding of some molecular players involved in resistance to planthopper and the mechanisms involved. Recent researches showed that host-plant resistance is the most promising sustainable approach for controlling planthoppers. Planthoppers resistant varieties with host-plant resistance gene have been released for rice product. Integrated planthopper management is one of proposed strategies to prolong the durability of host-plant resistance. Bacillus spp. and their gene products or insect pathogenic fungi have great potential for application in biological control of planthopper. Enhancement the activities of planthoppers' natural enemies would be more cost-effective and environmental-friendly. Various molecular processes regulate rice-planthopper interactions. Rice encounters planthopper attacks via transcription factors, secondary metabolite, and signaling networks in which phytohormones have central roles. Maintenance of cell wall integrity and lignification act as physical barriers. Indirect defenses of rice are regulated via chemical elicitors, honeydew-associated elicitor, amendment with silicon and biochar, and salivary protein of BPH as elicitor or effector. Further research directions on planthopper control and rice defense against planthopper were also put forward. This article is protected by copyright. All rights reserved.
This article was published in the following journal.
Name: Pest management science
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