Seasonal Variation of the Canopy Structure Parameters and Its Correlation with Yield-Related Traits in Sugarcane

Table 5

Seasonal changes of extinction coefficient in sugarcane varieties.

Varieties	Seedling	Tillering	Early elongation	Rapid elongation	Late elongation	Mean
FN94-0403	1.245±1.31	1.161±0.93	1.149±0.77	1.079±0.45	1.170±0.83	1.161±0.88
FN94-0744	1.262±1.43	1.183±0.95	1.183±0.91	1.085±0.42	1.162±0.82	1.175±0.94
FN95-1726	1.244±1.30	1.186±0.94	1.218±1.11	1.065±0.59	1.155±0.74	1.174±0.94
FN96-0907	1.219±1.24	1.193±0.95	1.198±1.01	1.107±0.54	1.181±0.87	1.180±0.92
FN98-10100	1.217±1.19	1.223±1.16	1.183±0.90	1.206±0.59	1.146±0.71	1.195±0.91
GT94-116	1.214±1.20	1.181±0.95	1.171±0.87	1.082±0.48	1.119±0.62	1.154±0.84
GT95-118	1.195±1.09	1.177±0.90	1.243±1.29	1.111±0.57	1.137±0.65	1.173±0.92
GT96-211	1.184±0.98	1.167±0.85	1.209±1.06	1.095±0.45	1.135±0.66	1.158±0.81
GT96-44	1.227±1.20	1.167±0.83	1.205±1.02	1.094±0.46	1.103±0.50	1.159±0.83
GT97-18	1.244±1.31	1.155±0.76	1.203±1.04	1.122±0.59	1.171±0.85	1.179±0.92
MT70-611	1.240±1.32	1.197±0.99	1.153±0.75	1.064±0.32	1.150±0.76	1.161±0.87
ROC10	1.228±1.27	1.159±0.81	1.230±1.19	1.142±0.72	1.127±0.63	1.177±0.93
YT92-1287	1.249±1.33	1.139±0.72	1.188±0.95	1.101±0.49	1.149±0.71	1.165±0.86
YT96-107	1.252±1.36	1.161±0.81	1.210±1.09	1.106±0.54	1.091±0.48	1.164±0.90
YT96-794	1.192±1.08	1.186±0.93	1.210±1.07	1.131±0.63	1.139±0.67	1.172±0.87
YT96-835	1.241±1.30	1.171±0.96	1.199±1.02	1.125±0.65	1.122±0.58	1.172±0.92
YT96-86	1.233±1.25	1.169±0.86	1.189±0.94	1.118±0.59	1.131±0.64	1.168±0.87
Mean	1.229±1.21^a	1.175±0.88^ab	1.197±0.98^bcde	1.108±0.53^cd	1.141±0.68^d
𝐾1	3.511^a	2.836^a	3.063^a	2.068^a	2.426^a	2.781±0.66^a
𝐾2	1.172^b	1.079^b	1.104^b	1.007^b	1.032^b	1.079±0.07^b
𝐾3	0.690^c	0.756^c	0.733^c	0.883^c	0.809^c	0.774±0.13^c
𝐾4	0.458^d	0.632^d	0.579^d	0.801^cd	0.732^cd	0.640±0.16^d
𝐾5	0.313^e	0.572^d	0.504^d	0.781^d	0.704^d	0.575±0.21^e

Notes: (1) 𝐾₁,𝐾₂,𝐾₃,𝐾₄,and𝐾₅ represent the canopy extinction coefficients at the elevation angles of 9°, 27°, 45°, 63°, and 81°, respectively. (2) The lowercase letters denote significant differences at the level of 0.05.