Consequences of a biological invasion reveal the importance of mutualism for plant communities

Article Abstract:

Research investigating the the importance of processes of mutualism in plant communities is presented, with focus on observations of phenomena caused by biological invasions. Particular attention is given to invasions of Argentine ants int South African shrubs.

Biological invasions

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Loosening of plant cell walls by expansions

Article Abstract:

Research is presented concerning the function of expansin during the growth of plants. The action of expansin in unlocking the wall polysaccharide network is discussed. Models of the action of expansin are included.

Physiological aspects, Plant cell walls, Cell walls

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Caterpillar-induced nocturnal plant volatiles repel conspecific females

Article Abstract:

Tobacco plants are found to release herbivore induced volatiles during the night and day. This provides new dimensions to the understanding of chemical cues in tritrophic interactions.

Nicotiana

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