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Plant growth response to light
updated by Laura Cinti - 14 Dec 2010


Observing a pea plant exhibiting positive phototropism - the most commonly observed growth movement responses to light stimuli. This study demonstrates the difficulties involved in attempting to perceive plant behaviour through layers of growth without the aid of record-imaging instruments.

Left: first image layer - opacity: 50%, time: 15:00, second image layer -  opacity: 60%, time 16:00, third image layer - opacity: 100%, time 16.36.  Right: first image layer - opacity: 50%, time: 16:14, second image layer -  opacity: 60%, time 16:22, third image layer - opacity: 100%, time 16.35 on 6 March 2009.
Left: first image layer - opacity: 50%, time: 15:00, second image layer - opacity: 60%, time 16:00, third image layer - opacity: 100%, time 16.36. Right: first image layer - opacity: 50%, time: 16:14, second image layer - opacity: 60%, time 16:22, third image layer - opacity: 100%, time 16.35 on 6 March 2009.

Left: 1st layer - opacity: 50%, time: 15:16, 2nd layer - opacity: 50%, time 15:44, 3rd layer - opacity: 55%, time 16.14, 4th layer - opacity: 100%, time 16.23. Right: 1st layer - opacity: 50%, time: 16:26, 2nd layer - opacity: 100%, time 16:29.
Left: 1st layer - opacity: 50%, time: 15:16, 2nd layer - opacity: 50%, time 15:44, 3rd layer - opacity: 55%, time 16.14, 4th layer - opacity: 100%, time 16.23. Right: 1st layer - opacity: 50%, time: 16:26, 2nd layer - opacity: 100%, time 16:29.

2.26 minute clip in real-time of pea plant exhibiting positive phototropism, Slade Research Centre, 9 March, 2009.
Other References:
Overview
Year
2009
Status
completed
Keyword(s)
phototropism, growth movement, plants, light
Group(s)
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