Recent Advances in Plant Response to Mechanical Stress: Theory and Application

Mitchell, Cary A.

doi:10.21273/hortsci.31.1.31

Cited by 57 publications

(36 citation statements)

References 202 publications

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“…This negative effect of MP may be linked to the reduced leaf expansion (Retuerto and Woodward, 1993), combination of the retarded expansion of new leaves and the temporary reduction in stomata aperture (Mitchell, 1996), and/or reduced photosynthesis (Anten et al, 2005;Ennos, 1997). However, we did not know the exact mechanism underlying this response.…”

Section: Discussionmentioning

confidence: 99%

“…Mechanical perturbation (MP) is commonly induced by vectors such as wind, rain, hail or animal movements (Mitchell, 1996), and it can pose effects on plants (Rees and Grace, 1980;Wang et al, 2008). For example, the MP-plants have a dwarfed form (Anten et al, 2005;Goodman and Ennos, 1998;Wang et al, 2008), less biomass (Anten et al, 2010;Wang et al, 2008), and higher root/ shoot ratio (Anten et al, 2005;Goodman and Ennos, 1996).…”

Section: Introductionmentioning

confidence: 99%

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Mechanical shaking and soil water affect the growth of Psammochloa villosa in the Mu Us Sandland

Wang

Dong

et al. 2011

Journal of Arid Environments

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Mechanical shaking and soil water affect the growth of Psammochloa villosa in the Mu Us Sandland

Wang

Dong

et al. 2011

Journal of Arid Environments

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“…1979), cauliflower (Biddington & Dearman 1985) and tomato (Gartner 1994). Low‐amplitude mechanical vibration in the frequency range 50–60 Hz actually stimulates rather than inhibits cumulative plant growth (Mitchell 1996). However, MP decreased biomass production of the semi‐shrub H. laeve in our recent experiment (Wang et al.…”

Section: Discussionmentioning

confidence: 99%

Brushing effects on the growth and mechanical properties ofCorispermum mongolicumvary with water regime

Wang

et al. 2009

Plant Biology

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High water availability and mechanical stress can induce opposite responses in plants. In arid areas of Northern China the occurrence of high wind and high water availability tend to be negatively correlated. Since turgor pressure is a determinant of the mechanical stability of annuals, it is hypothesised that the effects of mechanical perturbation (MP) on annuals may depend on soil water availability. To test this proposal, we conducted an experiment in which a pioneering annual Corispermum mongolicum was subjected to two levels of MP and water supply, and then determined its growth and mechanical traits. Brushing had no effect on plant height and total biomass, but stimulated leaf and branch production. Water supply affected plant height, basal diameter, total biomass and stem rigidity, but not leaf and branch number, root/shoot ratio or flexibility. With high water availability, brushing stimulated the production of stiffer stems (thicker and with a higher Young's modulus) and more roots relative to shoot mass, but with low water availability MP induced the opposite response. This shows that both the degree and direction of plant responses to MP depend on the presence of other factors. We discuss how the interactive effects of MP and water availability on growth and mechanical properties may help C. mongolicum to establish in windy and arid environments.

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“…Although mechanosensitive channels, Ca 2+ -dependent signaling cascades (see below), ethylene, and perhaps GA (Mitchell 1996) are strong candidates for components of the mechanosensory signal transduction system regulating and integrating these changes in growth, we still have remarkably little molecular data on how these thigmomorphogenetic responses occur.…”

Section: Thigmomorphogenesis and Thigmotropismmentioning

confidence: 99%