TABLE 5.

Linear relationship of the net photosynthetic rate with chlorophyll and soluble sugar contents in leaves of Hemerocallis fulva, Iris germanica L., Canna generalis, Pennisetum clandestinum, and Miscanthus sinensis

Plant species	Linear equation	R 2	p
Hemerocallis fulva	P n = −21.7 – 4.1 × Chl b	.82	<.01
Iris germanica L.	P n = −1.1 + 1.2 × Chl a + 1.2 × Chl b	.75	<.01
Canna generalis	P n = 0.3 + 3.4 × Chl b	.67	<.01
Pennisetum clandestinum	P n = 22.7 + 23.8 × Chl b	.83	<.01
Miscanthus sinensis	P n = 8.3 + 1.1 × Chl b + 0.0025 × SS	.91	<.01