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: Panicle length (plt_repro)

Panicle length. Measured from the base to the tip of the panicle. Observed at reproductive in wild species.
Reproductive Stage
Crop Germplasm Committee approved
Data Type:
Numeric descriptor
Maximum Length:
Responsible Site:
International Rice Research Institute (IRRI)

Studies or environments

Distribution of Values for Panicle length (plt_repro)

RangeNumber of Accessions
9.00000 - 13.200006
13.20000 - 17.40000128
17.40000 - 21.60000648
21.60000 - 25.800001007
25.80000 - 30.00000743
30.00000 - 34.20000245
34.20000 - 38.4000062
38.40000 - 42.6000028
42.60000 - 46.8000012
46.80000 - 51.000007

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)