Suitability of stressed and vigorous plants to various insect herbivores

Article Abstract:

Research on insect-plant relationships supports the plant vigor hypothesis, rather than the plant stress hypothesis. The vigor hypothesis predicts a positive correlation between plant growth and insect performance, while the stress hypothesis predicts a positive correlation between decreased plant defenses and insect performance.

Israel, Research, Insect-plant relationships, Plant ecophysiology, Plant physiological ecology

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When do herbivores affect plant invasion? Evidence for the natural enemies and biotic resistance hypothesis

Article Abstract:

Research on the herbivore/plant dynamics relationship is inconclusive on whether herbivore foraging activity is directly linked to species invasion resistance. More studies are needed to quantify the numerical and functional response of herbivores to exotic plants.

Spain, Vegetation dynamics, Invasive species, Introduced species, Plant introduction

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Plant diversity and insect herbivores: effects of environmental change in contrasting model systems.

Article Abstract:

The extent of influence of environmental change on the plant species richness and its impact on the species richness of insect herbivores is discussed. The response of two plant communities to environmental change is examined.

Influence, Study and teaching, Habitat modification, Plant communities

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