Descriptor: F_DAYLENGTH (F_DAYLENGTH)

Definition:

Female (daylength). Daylength at terminal female flowering. Calculated using site data for latitude, in degrees (i.e. between -90.0 and 90.0) with the daylength() function in the R package geosphere (https://rdrr.io/cran/geosphere/man/daylength.html). [hours].

Crop:

Category:

Inflorescence and fruit descriptors

Status:

Data Type:

Numeric descriptor

Maximum Length:

Minimum Value:

0

Maximum Value:

24

Original Data Type:

NUMERIC

Ontology:

https://www.ars.usda.gov/northeast-area/geneva-ny/plant-genetic-resources-unit-pgru/docs/hemp-descriptors/

Comment:

Daylength at terminal female flowering. Calculated using the R package. Calculated using site data for latitude, in degrees (i.e. between -90.0 and 90.0) with the daylength() function in the R package geosphere (https://rdrr.io/cran/geosphere/man/daylength.html).

Responsible Site:

Northeast Regional Plant Introduction Station (NE9)  (NE9)