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You have reached the IRRI Genebank, where your rice science journey begins. Home to more than 132,000 available accessions which includes cultivated species, wild relatives and species from related genera.


Descriptor: Awns (Distribution of awns) (awdist)


 
Definition:
The presence and distribution of awns along the panicle.
Crop:
RICE
Category:
Reproductive Stage
Status:
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
3
Responsible Site:
International Rice Research Institute (IRRI)


Studies or environments

Distribution of Values for Awns (Distribution of awns) (awdist)

CodeDefinitionNumber of Accessions
0 Absent9265
1 Tip only1829
2 Upper quarter only924
3 Upper half only660
4 Upper three quarters only531
5 Whole length826


International Rice Genebank Germplasm Distribution and Exchange Policy


IRRI continues the free international exchange of germplasm, in accordance with the International Treaty on Plant Genetic Resources for Food and Agriculture (ITPGRFA). We provide rice in small quantities to any entity or establishment for research, breeding, or training for food and agriculture purposes; free of charge. At the same time, we gratefully receive seed contributions to add to our collection.

The procedure for acquiring seeds from IRRI are as follows:
1. Read, study and comply with Standard Material Transfer Agreement(SMTA).
2. Inquire, search and choose accessions through GRIN-Global or Genesys websites.
3. Submit requests electronically through the public websites (refer to #2)