Photosynthetic and Canopy Characteristics of Different Varieties at the Early Elongation Stage and Their Relationships with the Cane Yield in Sugarcane

Table 3

Differences among different photosynthetic gas exchange parameters among 17 sugarcane varieties.

Cluster	PN	E	GS	Variety
I	36.58	4.22	148.38	FN94-0403, FN95-1726, FN96-0907, FN98-10100, GT96-211, YT96-794, YT96-86
II	34.52	3.96	147.50	FN94-0744, GT94-116, GT95-118, GT97-18, YT92-1287
III	34.56	3.72	128.46	MT70-611, ROC10, YT96-107, YT96-835
IV	32.56	3.1	109.7	GT96-44

Notes: PN: photosynthesis rate, 𝜇molm⁻² s⁻¹; E: transpiration rate, mmolm⁻² s⁻¹; GS: stomatal conductance, mmolm⁻² s⁻¹.