Low CO2 concentration, a key environmental factor for developing plateau adapted rapeseed

Table 2 Correlation analysis of agronomic traits, yield per plant and net photosynthetic rate (An) of seedling leaves of different genotypes of Brassica napus in the field

Agronomic traits	Plant height (cm)	Branch number	Silique number per plant	Number of seeds per silique	Yield per plant	An
Plant height (cm)	1
Branch number	0.408^**	1
Silique number per plant	0.145	0.402^**	1
Number of seeds per silique	− 0.067	− 0.049	− 0.096	1
Yield per plant	0.129	0.339^**	0.94^**	0.294*	1
An	0.08	0.255^*	0.47^**	0.148	0.468^**	1

ISSN: 2731-3654