USDA Agricultural Research Service World Rice Collection. The mission of the National Plant Germplasm System is to maintain seedstocks of cultivars (also called “germplasm”) collected from around the world as a means of preserving global genetic diversity.

rice stems, diseases and spot is grains in caused by the fungus Cochliobolus miyabeanus. It is one of the most prevalent sheath spots, or reddish -brown margin (Figure 14). at brown the tillering. the southern circular and can Symptoms to occur USA.

2022年5月4日 · The findings demonstrate the crucial role of IRRI's genebank as a key germplasm source for global rice research and development, with important implications for the conservation and use of rice genetic diversity in the future.

This article reviews recent research on CRISPR/Cas9 gene-editing technology in rice, especially germplasm innovation and genetic improvement of commercially promoted varieties with improved traits such as disease, insect, and herbicide …

2022年7月12日 · Using de novo long-read assembly, we generated a graph-based super pan-genome of rice consisting of a 251-accession panel comprising both cultivated and wild species of Asian and...

2014年4月23日 · This book, Rice - Germplasm, Genetics and Improvement, as its name implies, comprehensively reviews current knowledge in germplasm exploration, genetic basis of complex traits, and molecular breeding strategies in rice.

Rice (Oryza sativa) is one of the most important sources of calories for humans. Grown worldwide, rice features diverse germplasm accessions with abundant natural variation (1 – 4) but faces numerous production challenges that are currently being addressed by breeders.

2019年11月4日 · The present study was conducted to evaluate the genetic diversity of a colored rice germplasm collection containing 376 black-purple rice samples and 172 red pericarp samples, conserved by Dong-A University. There were 600 pairs of SSR primers screened against 11 rice varieties.

2015年9月26日 · The present study was aimed at evaluating the genetic variation and population structure in a collection of 192 rice germplasm lines including local landraces, improved varieties and exotic lines from diverse origin.

2023年5月31日 · Genetic diversity and evolution study of rice germplasm resources, including wild species, landraces, and main varieties, in different historical periods. The identification of important genetic loci (gene alleles) related to evolution, domestication, and some valuable agronomic traits.