IRRI has reduced operations due to COVID-19. Responses and requests will be addressed when conditions allow.

Descriptor: Panicle number per plant (pno)

Number of panicles per plant
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 number per plant (pno)

RangeNumber of Accessions
0.00000 - 5.50000256
5.50000 - 11.000004278
11.00000 - 16.500006105
16.50000 - 22.000003557
22.00000 - 27.50000984
27.50000 - 33.00000227
33.00000 - 38.5000092
38.50000 - 44.0000021
44.00000 - 49.500005
49.50000 - 55.000003

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)