SNF on bush beans under drought


Phenotypic analysis of SNF lines of bush bean for their tolerance to abiotic stress conditions of drought stress Research Staff Responsible: Norma Constanza Barbosa Torres (CIAT)

Planting date: July 13th 2017 Evaluation date 40dds (Flowering)
90 dds -120 (harvest)

 Objective: Identify SNF response of common bean genotypes under drought, additionally identify genotypes efficient in DRI utilization when dependent on N2 fixation as a source of Nitrogen  Hypothesis: Some genotypes will show Nitrogen Fixation efficient and more adaptation to drought as abiotic stress.


Leaf Photosynthesis MultispeQ V1.0


Measures many photosynthesis-related parameters in <15 seconds, including:

  • Chlorophll Fluorescence: Phi2, PhiNPQ, PhiNO, NPQt, qL, LEF
  • Relative Chlorophyll: SPAD
  • Proton Motive Force: ECSt, vH+, gH+
  • Absorbance at: 450, 535, 605, 650, 730, 850, 880, and 940nm.
  • Leaf Thickness (in mm), angle, and cardinal direct...


  1. ID (Short Answer)
  2. genotype (Multiple Choice)
  3. treatment (Multiple Choice)
  4. rep (Multiple Choice)
  5. phenological stage (Multiple Choice)



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