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Recruitment of entomopathogenic nematodes by insect-damaged maize roots
Plants under attack by arthropod herbivores often emit volatile compounds from their leaves that attract natural enemies of the herbivores. Here we report the first identification of anExpand
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Toxic cardenolides: chemical ecology and coevolution of specialized plant-herbivore interactions.
Cardenolides are remarkable steroidal toxins that have become model systems, critical in the development of theories for chemical ecology and coevolution. Because cardenolides inhibit the ubiquitousExpand
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Herbivory in the Previous Generation Primes Plants for Enhanced Insect Resistance1[W][OA]
Inducible defenses, which provide enhanced resistance after initial attack, are nearly universal in plants. This defense signaling cascade is mediated by the synthesis, movement, and perception ofExpand
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Latitudinal patterns in plant defense: evolution of cardenolides, their toxicity and induction following herbivory.
Attempts over the past 50 years to explain variation in the abundance, distribution and diversity of plant secondary compounds gave rise to theories of plant defense. Remarkably, few phylogeneticallyExpand
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Trade-offs between constitutive and induced defences drive geographical and climatic clines in pine chemical defences.
There is increasing evidence that geographic and climatic clines drive the patterns of plant defence allocation and defensive strategies. We quantified early growth rate and both constitutive andExpand
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Simultaneous feeding by aboveground and belowground herbivores attenuates plant-mediated attraction of their respective natural enemies.
Herbivore-damaged plants emit volatile organic compounds that attract natural enemies of the herbivores. This form of indirect plant defence occurs aboveground as well as belowground, but it remainsExpand
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In Defense of Roots: A Research Agenda for Studying Plant Resistance to Belowground Herbivory1
Interest in root biology research is experiencing a dramatic increase. From a microphytocentric perspective, the availability of Arabidopsis ( Arabidopsis thaliana ) mutants, along with a sequencedExpand
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Evidence for adaptive radiation from a phylogenetic study of plant defenses
One signature of adaptive radiation is a high level of trait change early during the diversification process and a plateau toward the end of the radiation. Although the study of the tempo ofExpand
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Ecology and Evolution of Soil Nematode Chemotaxis
Plants influence the behavior of and modify community composition of soil-dwelling organisms through the exudation of organic molecules. Given the chemical complexity of the soil matrix,Expand
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Induced Responses to Herbivory and Jasmonate in Three Milkweed Species
We studied constitutive and induced defensive traits (latex exudation, cardenolides, proteases, and C/N ratio) and resistance to monarch caterpillars (Danaus plexippus) in three closely relatedExpand
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