Table 1.

Evaluation and identification of salt-tolerant accessions of soybeans at different developmental stages.

Stage	Stress Condition	Indicators	Total Accessions	No. of Tolerant Accessions	Proportion of Tolerant Accessions	Reference
Germination	1.6% NaCl	Salt damage index	10,128	924	9.1%	Shao et al. (1993) [19]
Germination	2.0% NaCl	Relative salt damage rate	760	141	18.5%	Li et al. (1996) [39]
Germination	150 and 200 mM NaCl	GR	10	3	30.0%	Shelke et al. (2017) [20]
Germination	150 mM NaCl	IR, GR, and GI	191	/	0.0%	Kan et al. (2015) [40]
Germination	1.2% NaCl	Relative salt damage rate	793	117	14.8%	Jiang et al. (2012) [41]
Emergence	Saline soil: 3.1–13.7 dS m−1	Relative seedling emergence rate	6	2	33.3%	Abel and MacKenzie (1964) [13]
Emergence	Saline soil: 3–6 dS m−1	GR	7	3	42.9%	Wang et al. (1999) [24]
Emergence	150 mM NaCl	SI	27	10	37.0%	Liu et al. (2020) [27]
Seedling	5.0–10.2 dS m−1	Cl– content in leaves	6	4	66.7%	Abel and MacKenzie (1964) [13]
Seedling	Saline water (EC = 15–17 dS m−1)	Green loss grade (1–5)	10,128	457	4.5%	Shao et al. (1993) [19]
Seedling	25 mM to 150 mM NaCl	SDW	170	18	10.6%	Mannan et al. (2010) [36]
Seedling	120 mM NaCl	Leaf damage	7	3	42.9%	Valencia et al. (2008) [29]
Seedling	100 mM NaCl	Leaf damage	14	5	35.7%	Lee et al. (2008) [30]
Seedling	200 mM NaCl	Leaf damage	8	4	50.0%	Jiang et al. (2013) [32]
Seedling	21 ± 3 dS m−1	Salt damage index	793	41	5.17%	Jiang et al. (2012) [41]
Seedling	120 mM NaCl	Leaf damage	98	36	36.7%	Ledesma et al. (2016) [31]
Emergence	200 mM NaCl	SI	27	12	44.4%	Liu et al. (2020) [27]
Whole period	Saltwater irrigation	Degree of salt damage	2000	7	0.4%	Shao et al. (1986) [18]
Whole period	Saline soil	Relative salt tolerance index	793	35	4.41%	Jiang et al. (2012) [41]