The dilemma of plants: to grow or defend

Article Abstract:

In the evolution of plant growth patterns, physiological and ecological constraints are vital to defenses against herbivores. The growth- differentiation balance (GDB) framework, based on physiological trade-offs between growth and differentiation processes, explains and predicts patterns of plant defense and competitive interactions in ecological and evolutionary time. The physiological trade-off between growth and differentiation processes is manifested as a genetic trade-off between growth and defense in the evolution of plant life history strategies.

Plants, Plant evolution

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The on and off of floral regulatory genes

Article Abstract:

Environment has an important role in regulating the development of plants. Furthermore, progenitor cells of plants which include meristems also influence and regulate plant growth. The activities of meristems are, in turn, affected by the environment. The floral meristem identity and organ identity genes can be controlled by the environment which results in a multitude of floral variations.

Meristem

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Community heterogeneity and the evolution of interactions between plants and insect herbivores

Article Abstract:

Several hypothesized and well-documented mechanisms whereby variation in the plant community alters the plant-herbivore interaction are reviewed and potential evolutionary outcomes of each of these ecological effects are discussed. It is strongly felt that the neighborhood of plants is an important determinant of attack by insects and this gives rise to feedback effects on plant community.

Science & research, Research, Insect-plant relationships, Plant communities

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