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Impacts of genomic research on soybean improvement in East Asia

It has been commonly accepted that soybean domestication originated in East Asia. Although East Asia has the historical merit in soybean production, the USA has become the top soybean producer in the world since 1950s. Following that, Brazil and Argentina have been the major soybean producers since 1970s and 1990s, respectively. China has once been the exporter of soybean to Japan before 1990s, yet she became a net soybean importer as Japan and the Republic of Korea do.

Man-Wah LiZhili WangBingjun JiangAkito KagaFuk-Ling WongGuohong ZhangTianfu HanGyuhwa ChungHenry Nguyen & Hon-Ming Lam

Theoretical and Applied Genetics May 2020; 133:1655–1678

REVIEW

Abstract

It has been commonly accepted that soybean domestication originated in East Asia. Although East Asia has the historical merit in soybean production, the USA has become the top soybean producer in the world since 1950s. Following that, Brazil and Argentina have been the major soybean producers since 1970s and 1990s, respectively. China has once been the exporter of soybean to Japan before 1990s, yet she became a net soybean importer as Japan and the Republic of Korea do. Furthermore, the soybean yield per unit area in East Asia has stagnated during the past decade. To improve soybean production and enhance food security in these East Asian countries, much investment has been made, especially in the breeding of better performing soybean germplasms. As a result, China, Japan, and the Republic of Korea have become three important centers for soybean genomic research. With new technologies, the rate and precision of the identification of important genomic loci associated with desired traits from germplasm collections or mutants have increased significantly. Genome editing on soybean is also becoming more established. The year 2019 marked a new era for crop genome editing in the commercialization of the first genome-edited plant product, which is a high-oleic-acid soybean oil. In this review, we have summarized the latest developments in soybean breeding technologies and the remarkable progress in soybean breeding-related research in China, Japan, and the Republic of Korea.

 

See https://link.springer.com/article/10.1007/s00122-019-03462-6

Figure 1: Per-hectare yield of soybean in selected Asian countries. Data were obtained from FAOstat (retrieved on May 20, 2019, from http://www.fao.org/faostat/en/#home)

 

Table 1: Resource Centers for soybean genetic resources available in specific countries/regions

 

 

 

 

 

 

 


 

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