Agro business park 69-73
6708 PV Wageningen
The Netherlands
Phone: +31651978796
vincent.jalink@phenovation.nl

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RESOURCES 2018-07-16T10:31:04+00:00

Colour measurement

RESOURCES: Colour imaging of plants for detection of minute colour deviations

The CropReporter uses LED (light emitting diode) induced direct fluorescence imaging technology to image the plant health/stress status by calculation of Fv/Fm (variable fluorescence over saturation level of fluorescence). Within a short time interval (≈800 ms) multiple images are captured.

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Efficiency photosynthesis

RESOURCES: Photosynthetic activity imaging of plants

Plant parts contain chlorophyll and show fluorescence. Using a measuring protocol the minimal fluorescence, F0, and the maximum fluorescence, Fm, are captured by the camera. From these two images the maximum efficiency of photosynthesis of Photosystem II is calculated.

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Chlorophyll measurement

RESOURCES: Spectral imaging of plants for measuring chlorophyll distribution

Using the reflection image of the chlorophyll filter and a reference image in the NIR an image was calculated that is a measure for chlorophyll content.

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Anthocyanin

RESOURCES: Spectral imaging of plants for measuring anthocyanin distribution

Using the reflection image of the anthocyanin filter and a reference image in the NIR an image was calculated that is a measure for anthocyanin content.

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Early detection of damage

RESOURCES: Measuring damage on plants before observed by eye

Photosynthesis is a process that is response earlier to different stresses than the colour change of a plant does. Because of this effect you can see large differences with the PSII system and this is not visible yet by eye.

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Efficiency photosynthesis measured with mobile platform

RESOURCES: Photosynthetic activity imaging of pot plants using mobile camera system

By using a mobile platform to move the camera systems the camera’s can be used in any environment and location. Every camera system can be made mobile.

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Herbicide

RESOURCES: Mode of action and quantification of herbicide formulation

To demonstrate the influence of two different types of herbicides, plants (whole plants) were sprayed with a formulation with the active ingredient bentazon. This is a herbicide that inhibits the photosynthesis on a whole plant level.

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