Functional relationship between photosynthetic leaf gas exchange in response to silicon application and water stress mitigation in sugarcane

Table 3 Model constants of net photosynthetic assimilation rate (A_net), stomatal conductance to water vapour (gs) and rate of transpiration (E) subjected to water stress condition and Si application

Photosynthetic response	Stress (days)	Pm	τ	r	S
A_net	30	2.214	3.335	0.999	0.212
	60	2.332	3.169	0.999	0.289
	90	2.458	3.192	0.999	0.165
	120	2.620	3.131	0.999	0.409
gs	30	9.752	2.718	0.997	3.437
	60	1.006	2.779	0.996	4.016
	90	1.071	2.714	0.998	2.827
	120	1.108	2.943	0.998	3.631
E	30	1.310	3.660	0.999	0.018
	60	1.364	3.502	0.999	0.023
	90	1.414	3.405	0.999	0.022
	120	1.569	3.089	0.999	0.020

Pm and τ Model constants, r Correlation coefficient, S Standard error, and 30, 60, 90 and 120 indicates days of stress

ISSN: 0717-6287