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

Table 5

Difference in different canopy parameters among 17 sugarcane varieties.

Cluster	LAI	MFIA	TD	TR	LD	Variety
I	1.454	46.730	0.325	0.284	0.791	FN94-0403, FN98-10100
II	1.301	51.550	0.370	0.329	0.766	FN96-0907, GT94-116, GT96-44, MT70-611
III	1.141	55.386	0.416	0.373	0.733	FN94-0744, GT96-211, GT97-18, YT92-1287, YT96-86
IV	1.024	63.587	0.460	0.423	0.710	FN95-1726, GT95-118, ROC10, YT96-107, YT96-794, YT96-835

Notes: LAI: leaf area index; MFIA: mean leaf angle degree; TD: transmission coefficient for diffuse penetration; TR: transmission coefficient for solar beam radiation penetration; LD: leaf distribution.