Abstract
ABSTRACT Plants can be induced to develop enhanced resistance to pathogen infection by treatment with a variety of abiotic and biotic inducers. Biotic inducers include infection by necrotizing pathogens and plant-growth-promoting rhizobacteria, and treatment with nonpathogens or cell wall fragments. Abiotic inducers include chemicals which act at various points in the signaling pathways involved in disease resistance, as well as water stress, heat shock, and pH stress. Resistance induced by these agents (resistance elicitors) is broad spectrum and long lasting, but rarely provides complete control of infection, with many resistance elicitors providing between 20 and 85% disease control. There also are many reports of resistance elicitors providing no significant disease control. In the field, expression of induced resistance is likely to be influenced by the environment, genotype, and crop nutrition. Unfortunately, little information is available on the influence of these factors on expression of induced resistance. In order to maximize the efficacy of resistance elicitors, a greater understanding of these interactions is required. It also will be important to determine how induced resistance can best fit into disease control strategies because they are not, and should not be, deployed simply as "safe fungicides". This, in turn, will require information on the interaction of resistance elicitors with crop management practices such as appropriate-dose fungicide use.
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Claims 7
Claim · model-written summary
Inducers can enhance plant resistance to pathogen infection.
- Taxon
- PlantsViridiplantaee0
- Treatment
- a variety of abiotic and biotic inducerse0
- Interactor
- pathogene0pathogen
- Outcome
- resistance to pathogen infectione0
- Direction
- enhancede0
Not reportedComparator
Verbatim
e0“Plants can be induced to develop enhanced resistance to pathogen infection by treatment with a variety of abiotic and biotic inducers.”
Claim · model-written summary
Resistance elicitors provide broad spectrum, long lasting resistance but rarely complete infection control.
Verbatim
e0“Resistance induced by these agents (resistance elicitors) is broad spectrum and long lasting, but rarely provides complete control of infection”
t0“Plant Disease Control”
Claim · model-written summary
Many resistance elicitors provide 20 to 85% disease control.
Verbatim
e0“many resistance elicitors providing between 20 and 85% disease control”
t0“Plant Disease Control”
Claim · model-written summary
Some resistance elicitors provide no significant disease control.
Verbatim
e0“many reports of resistance elicitors providing no significant disease control”
t0“Plant Disease Control”
Claim · model-written summary
Field expression of induced resistance is likely influenced by environment, genotype, and crop nutrition.
- Taxon
- Plantt0
- Outcome
- expression of induced resistancee0
- Qualifier
- environment, genotype, and crop nutritione0
- Setting
- In the fielde0
Not reportedDirection
Verbatim
e0“In the field, expression of induced resistance is likely to be influenced by the environment, genotype, and crop nutrition.”
t0“Plant Disease Control”
Claim · model-written summary
The review calls for better understanding of interactions governing elicitor efficacy.
Verbatim
e0“In order to maximize the efficacy of resistance elicitors, a greater understanding of these interactions is required.”
t0“Plant Disease Control”
Claim · model-written summary
The review recommends determining how induced resistance fits disease control strategies and fungicide use.
Verbatim
e0“It also will be important to determine how induced resistance can best fit into disease control strategies because they are not, and should not be, deployed simply as "safe fungicides".”
t0“Plant Disease Control”