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Trait: Panicle exsertion

Name of submitting scientist INGER Global Coordinator
Institution IRRI
Date of submission 21/01/2010
Crop Rice
Name of Trait Panicle Exsertion
Abbreviated name EXS
Synonyms (separate by commas)  
Trait ID for modification, Blank for New CO_320:0000074
Description of Trait Degree of emergence of the panicle from the flag leaf sheath
How is this trait routinely used? Pedigree nurseries
Trait Class Agronomic
Describe how measured (method) Trait monitored by observing the extent of coverage of panicle by the flag leaf
sheath at growth stage 7 to 9
Bibliographic Reference IRRI. 1996. Standard Evaluation System for Rice. 4th Edition
Comments The inability of panicles to exsert fully is commonly considered a genetic defect.
Environmental and disease factors also contribute to such defects.
Type of Measure (Continuous, Discrete or Categorical) Categorical
For Categorical: Name of rating scale SES 5 pt scale
For Categorical: Class 1 - value = meaning 1 = Well exserted
For Categorical: Class 2 - value = meaning 3 = Moderately exserted
For Categorical: Class 3 - value = meaning 5 = Just exserted
For Categorical: Class 4 - value = meaning 7 = Partly exserted
For Categorical: Class 5 - value = meaning 9 = Enclosed
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