Identification of a cold-tolerant locus in rice (Oryza sativa L.) using bulked segregant analysis with a next-generation sequencing strategy

Rice

Table 1 PSST and PSSN of parents and RIL population in 3 years

Traits	Year	DN422^a	KY131	RIL populations^b
Traits	Year	DN422^a	KY131	Mean	Range	SD	Skewness	Kurtosis
PSST	2014	0.57 ± 0.09	0.92** ± 0.11	0.78	0.42~ 0.94	0.14	− 1.08	1.16
	2015	0.61 ± 0.13	0.93** ± 0.08	0.79	0.50~ 0.98	0.12	−0.42	− 0.87
	2016	0.58 ± 0.07	0.91** ± 0.14	0.70	0.31~ 0.99	0.15	0.02	−0.65
	Mean	0.59 ± 0.10	0.92** ± 0.09	0.76	0.50~ 0.95	0.10	−0.10	−0.53
PSSN	2014	0.91 ± 0.05	0.97 ± 0.09	0.95	0.87~ 1.00	0.07	0.25	0.43
	2015	0.88 ± 0.06	0.98 ± 0.11	0.85	0.66~ 0.99	0.03	−0.27	−0.99
	2016	0.90 ± 0.14	0.96 ± 0.06	0.87	0.67~ 0.99	0.08	−0.36	−0.49
	Mean	0.90 ± 0.11	0.97 ± 0.08	0.89	0.73~ 0.99	0.06	−0.07	−0.93

^a Means ± SD (standard deviation)
^b Population sample size n = 190, replications r = 2
*,** significance at the level of 5 and 1%, respectively, according to Student’s t-test