Home › MCQs › Agronomy › Question #2113
Back to Questions
Agronomy QUESTION #2113
Question 1
Phenomics in modern agronomy refers to:
  • The study of phenotypic plasticity in weed populations under herbicide selection pressure
  • The high-throughput measurement of plant traits (morphological, physiological, biochemical) using sensors, imaging (RGB, thermal, hyperspectral, LiDAR), and computational analysis — bridging the 'phenotyping bottleneck' between genomic information and field performance to accelerate crop improvement and precision agronomy✔️
  • The traditional method of visual scoring of crop traits by trained agronomists in field trials
  • The science of predicting phenological development stages using degree-day accumulation models
Correct Answer Explanation
Phenomics addresses the critical bottleneck: genomics generates vast data on genetic variation, but connecting genotype to field phenotype at scale and speed requires high-throughput phenotyping platforms — ground-based (LemnaTec, Scanalyzer) and aerial (UAV-mounted sensors). Traits measured: canopy temperature (thermal), chlorophyll content (NDVI, hyperspectral), architecture (LiDAR/3D), root systems (X-ray CT). This enables genomic selection, QTL mapping, and precision agronomy at previously impossible scales.