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Subject:
Re: CROPGRO - ANTHESIS DATE
From:
Ken Boote <[log in to unmask]>
Reply To:
DSSAT - Crop Models and Applications <[log in to unmask]>
Date:
Tue, 5 Aug 1997 18:13:01 -0400
Content-Type:
TEXT/PLAIN
Parts/Attachments:
TEXT/PLAIN (10 lines) 
The anthesis date that we use for soybean is first flower, i.e., when 50% of
the plants have expressed their first flower (R1 stage).  For a uniform
cultivar, this happens virtually in 1 day, yesterday there was no or little
flowering, and today more than 50% of the plants are flowering.  Tomorrow,
more than 80% of the plants will have flowered.  See the Fehr and Caviness
reference, Crop Sci. 10:929.
 
Good luck,
Ken Boote

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