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How Light Fluorescence Ratios Help Detect Plant Stress Before Symptoms Appear
Plant leaves fluoresce red, far-red, blue, and green under varying wavelengths of light. Chlorophyll fluorescence-based ratios include Fv/Fm and the red-to-far-red ratio. Fluorescence from red, far-red, blue, and green light occurs in response to UV light. Blue-to-red and blue-to-far-red ratios are more sensitive to stress than the chlorophyll fluorescence ratio of red/far-red. Plants do not… Continue reading…
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Using the CI‑340 Handheld Photosynthesis System for Drought Stress Trials in Wheat
Drought stress trials in wheat often come down to one core question: how efficiently is the plant still exchanging gas as water becomes limiting? The CI-340 Handheld Photosynthesis System is designed for exactly this type of work. In field plots, greenhouses, and controlled environments, the CI-340 Handheld Photosynthesis System gives researchers direct access to photosynthesis,… Continue reading…
How Does the Red-to-Far-Red Fluorescence Ratio Reveal Plant Stress?
The red-to-far-red fluorescence ratio is sensitive to changes in environmental and growing conditions; therefore, it can be used as an early indicator of plant stress. Photosynthesis, especially the sensitivity of photosystem II (PS II) to stress, is leveraged while using the ratio. The red-to-far-red ratio has several practical applications in precision agriculture and in developing… Continue reading…
CI‑110 Plant Canopy Imager vs Drone‑Based LAI Measurements: Which gives you more for your money?
A plant canopy imager has become a core tool for crop scientists who want quick, reliable leaf area index (LAI) measurements in the field. Many research teams now debate whether handheld canopy instruments or drone-based LAI models offer better value. Both approaches collect important canopy structure data, but they differ in cost, accuracy, workflow, and… Continue reading…
CI‑110 vs LAI‑2200C: Can CID’s System Outperform a Hemispherical Camera Approach?
When it comes to understanding canopy structure and light distribution, precision matters. Researchers in forestry, agronomy, and ecology depend on accurate Leaf Area Index (LAI) data to model photosynthesis, evaluate growth, and manage ecosystems. Traditionally, devices like the LAI-2200C from LI-COR have dominated this space with hemispherical sensor arrays. CID Bio-Science’s CI-110 Plant Canopy Imager… Continue reading…
Root Structure and Function Gradients in Salt Marshes
Salt marshes are unique ecosystems characterized by micro-heterogeneity in elevation, soil, tidal inundation, salinity, and oxygen availability. In these extreme conditions, plants are adapted to each zone, so root traits also vary. Root biomass, density, tissue type, and size of roots are adapted for each of the three prominent zones in salt marshes. Salt marshes… Continue reading…
How Do Organic Fertilizers and Photosynthetic Rate Work Together?
Most research findings show that organic fertilizers improve the crop’s photosynthetic rate. The improvement occurs through increased photosynthetic efficiency, increased leaf number and area, and enhanced leaf chlorophyll content. Organic fertilizers enhance the soil’s nutrient status to support better plant growth and health, which increases crop photosynthetic rate. In many cases, organic fertilizers were more… Continue reading…
