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Plant growth and reproduction are driven by photosynthetically active radiation (PAR), defined as wavelengths between 400 and 700 nanometers. This interval is often separated into three distinct “color” bands for plant research. Modifying the intensity of red, blue, green wavelengths, along with additional near-UV (380-400 nm) and far-red (700-780 nm) bands, can influence a variety of plant characteristics, such as growth rate, chemical composition, and more.
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Plant growth and reproduction are driven by photosynthetically active radiation (PAR), defined as wavelengths between 400 and 700 nanometers. This interval is often separated into three distinct “color” bands for plant research. Modifying the intensity of red, blue, green wavelengths, along with additional near-UV (380-400 nm) and far-red (700-780 nm) bands, can influence a variety of plant characteristics, such as growth rate, chemical composition, and more.
The precision linear image sensor of the LI-180 records intensity and composition of these five wavebands at the single-nanometer level with a single click. Optimize the composition of your supplemental lighting and track your spectrometer data over time for long-term validation of your lights and lighting strategy. Monitor degradation of your custom lighting system, plan for seasonal changes or upgrades, and design species-specific light recipes using the LI-180 Spectrometer.
Modifying specific wavebands can accelerate growth, increase total fruit and vegetable yield, influence flowering, and increase maximum harvestable biomass of leafy greens and herbs.
Strategically modifying the spectral composition of your lights can improve the taste, nutrient content, and chemical composition of your fruits, vegetables, leafy greens, and herbs. Spectral changes can also affect stalk, leaf, and flower growth and distribution for ornamental plants.
Increasing specific wavelengths of light can inhibit the growth of, and minimize the damage from, mildew and other diseases common among greenhouse plants.
Measure real-time changes from spectral manipulation, height adjustment, and plant positioning. In one click, the LI-180 records dozens of variables including PAR (as color-specific photosynthetic photon flux density (PPFD)), photon flux density (PFD), irradiance (W/m2), and more. Select a measurement to see details, such as ratios of red to blue or red to far-red intensity.
Compare the spectra of your lighting to one of multiple reference spectra. Reference spectra are based on pigments important for photosynthesis and morphology, such as chlorophyll a or beta carotene. Then adjust your lighting strategy to better match the pigment peaks for species-specific responses throughout your greenhouse.
Measure spectral output from any angle in and around your plants to find optimal spacing and height of supplemental lighting. The full capability of the LI-180 is within a compact, lightweight design that fits in the palm of your hand. Save your data to a high-capacity SD card or transfer data files via email from the mobile application.
Measure specific wavebands of interest and view the results in tabular and graphical outputs immediately after capture. Create custom wavebands and ratios to focus on the light ranges you want. Determine which bands of light have the highest intensity from your lighting strategy.
LI-COR support team members are experienced and knowledgeable with diverse backgrounds in horticulture, plant physiology, botany, and other fields. Our team is readily available to support you in the use and care of LI-COR instruments.
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