Analyses of the oil content, fatty acid composition, and antioxidant activity in seeds of Thlaspi arvense L. from different provenances and correlations with environmental factors

Chemical and Biological Technologies in Agriculture

Table 1 Geographical and climatic data of pennycress sampling locations in northern China (AR, annual rainfall; MAT, mean annual temperature)

Provenance	Locality	AR (mm)^a	MAT (℃)^b	Altitude (m)
Zhuanghe city, Liaoning Province	39°41′27″ N, 122°56′15″ E	786.5	6.17	33
Bin county, Heilongjiang Province	45°37′07″ N, 127°13′56″ E	956.3	4.42	231.9
Beian city, Heilongjiang Province	47°49′05" N, 127°16′75" E	744.2	3.17	267
Kedong county, Heilongjiang Province	48°01′42″ N, 126°15′12″ E	757.6	3.25	290
Panshi city, Jilin Province	43°16′12″ N, 125°14′09″ E	861	6.17	407

^a,bAR and MAT were calculated from the data of the climate stations in the county where the sampling point was located