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

Table 2

Photosynthesis rate (PN), transpiration rate (𝐸), and stomatal conductivity (GS) of 17 sugarcane varieties.

Variety	PN/μmolm^−2 s^−1 CO2	E/mmolm^−2 s^−1 H2O	GS/mmolm^−2 s^−1
FN94-0403	36.09±5.75^abcd	4.38±0.83^a	143.97±38.35^bcde
FN94-0744	33.23±7.33^de	3.98±1.06^abcde	128.90±45.75^def
FN95-1726	35.5±6.25^abcde	4.35±0.85^ab	139.54±41.69^bcdef
FN96-0907	35.57±5.70^abcde	4.36±0.78^ab	146.03±49.61^abc
FN98-10100	37.53±8.40^a	4.24±1.05^abc	140.55±47.46^bcdef
GT94-116	36.66±6.89^abc	3.68±1.30^ef	126.61±50.49^f
GT95-118	33.87±7.38^cde	3.62±0.97^ef	125.37±45.27^f
GT96-211	37.34±7.36^ab	3.96±1.09^bcde	161.28±67.16^a
GT96-44	32.56±5.77^e	3.10±1.10^g	109.70±43.36^g
GT97-18	34.47±5.57^abcde	3.76±0.74^def	134.12±30.17^cdef
MT70-611	34.39±7.78^abcde	3.93±1.03^cdef	144.71±59.02^abcd
ROC10	34.00±6.19^bcde	3.94±0.60^cde	155.39±42.52^ab
YT92-1287	34.59±8.32^abcde	3.54±1.35^f	127.32±51.43^ef
YT96-107	35.56±7.09^abcde	3.93±1.14^cdef	150.28±49.79^abc
YT96-794	37.04±7.36^abc	4.10±0.88^abcd	156.77±53.82^ab
YT96-835	34.14±7.26^abcde	4.02±0.74^abcde	139.60±43.54^bcdef
YT96-86	36.90±6.78^abc	4.14±0.62^abcd	150.54±41.82^abc

Notes: (1) PN: photosynthesis rate, 𝜇molm⁻² s⁻¹; E: transpiration rate, mmolm⁻² s⁻¹; GS: stomatal conductance, mmolm⁻² s⁻¹. (2) Different letters in the same column indicate significant difference among different treatments at 0.05 level (Duncan test).