Comprehensive Description of Newly Introduced Accessions in the USDA Rice Germplasm Collection Wen-Gui Yan, Hesham A. Agrama, Anna A. McClung, Ming H. Chen, Rolfe Bryant and Harold Bockelman United States Department of Agriculture Agricultural Research Service 1 of 13

Origin of Rice Accessions in the USDA Germplasm Collection Consistently collect germplasm to fill the gaps in the USDA Rice Germplasm Collection Consistently characterize each accession in the collection to feed the database in GRIN 2 of 13

New Rice Introductions 1340 Accessions: Collected from 40 countries Released from Quarantine Evaluated and established seed stock in the USDA-ARS, DB NRRC in of 13

40 Countries of Origin 4 of 13

Fill Gaps in the Collection Accessions 5 of 13

Fill Gaps in the Collection Accessions 6 of 13

Data – maturity, height, lodging and plant, panicle and awn type Harvest for seed stocks Thresh Package seed to NSGC for public and to NCGRP for long-term storage 7 of 13

Grain Morphology Descriptors 8 of 13

Grain Data Collection 9 of 13

Protein Analyzer Texture Analyzer Rapid Visco Analyzer Fat Extraction unit Instruments in Cereal Chemistry Lab 10 of 13

Traits Evaluated for the 1340 Acc. Days to flower, Plant height, Loading and Plant, Panicle and Awn type Agronomy Hull and Bran color, Kernel length, Width and Length/Width ratio, and Grain weight Grain Morphology Apparent amylose content, Alkali spreading value and Protein content Grain and Cooking Quality 11 of 13

Data display in the GRIN for public 12 of 13

Thank you, working folks! 13 of 13