Related Experiment Video
Updated: Jul 13, 2026
10:14
Double-stranded RNA Oral Delivery Methods to Induce RNA Interference in Phloem and Plant-sap-feeding Hemipteran Insects
Published on: May 4, 2018
Induced resistance in rice against insects
1Department of Entomology, University of California, Davis, CA 95616, USA. rkarban@ucdavis.edu
Bulletin of Entomological Research
|July 25, 2007
Summary
Induced resistance in rice, a vital crop, can be achieved through various methods, including chemical elicitors and understanding plant signaling pathways. This approach enhances protection against insect pests and pathogens.
Area of Science:
- Agricultural Science
- Plant Pathology
- Entomology
Background:
- Rice is a crucial staple crop, necessitating effective pest and disease management strategies.
- Induced resistance offers a promising avenue for crop protection, mimicking vaccination principles.
- Recent advancements in rice genomics and understanding of plant defense mechanisms are key.
Purpose of the Study:
- To explore induced resistance as a protective strategy in rice against insect pests.
- To investigate the chemical pathways and genetic basis of induced resistance in rice.
- To assess the efficacy of chemical elicitors in inducing resistance in rice.
Main Methods:
- Analyzing cross-resistance patterns among rice insect pests.
- Investigating the roles of salicylic acid and jasmonic acid in rice defense signaling.
- Mapping genes associated with induced resistance and developing gene-transfer techniques.
Main Results:
- Insect attacks trigger plant responses, including lesions that kill pests and volatile emissions altering insect behavior.
- Chemical elicitors, successful in dicots, can induce resistance in rice, though signaling differs.
- Salicylic acid and jasmonic acid play specific roles in rice's induced responses to different types of pests and pathogens.
Conclusions:
- Induced resistance is a viable strategy for protecting rice against insect pests and diseases.
- Understanding rice-specific signaling pathways is crucial for optimizing induced resistance strategies.
- Genetic manipulation holds potential for developing resistant rice varieties, impacting the broader agroecosystem.
Related Concept Videos
02:41Responses to Drought and Flooding
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
02:50Transgenic Plants
Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...
02:26Defenses Against Pathogens and Herbivores
Plants present a rich source of nutrients for many organisms, making it a target for herbivores and infectious agents. Plants, though lacking a proper immune system, have developed an array of constitutive and inducible defenses to fend off these attacks.
01:59Plant Breeding and Biotechnology
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.