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Table 1 Biomass of tolerant (RB92579) and susceptible (SP80–3280) sugarcane plants grown under irrigated and two water deficit conditions

From: Decarboxylation mechanisms of C4 photosynthesis in Saccharum spp.: increased PEPCK activity under water-limiting conditions

Cultivar

RB92579

SP80–3280

Treatment

Irrigated

3 days Moderate

12 days Severe

Irrigated

3 days Moderate

12 days Severe

LA (cm2)

2658.51 Ba ±114.36

2313.00 Ba ±62.84

1727.82 Bb ±117.22

3316.84 Aa ±110.66

2776.82 Ab ±97.89

2058.72 Ac ±25.65

LDW (Kg)

0.12 Aa ±0.001

0.11 Aa ±0.001

0.09 Ab ±0.001

0.12 Aa ±0.003

0.11 Aa ±0.003

0.09 Ab ±0.005

RDW (Kg)

0.14 Aa ±0.005

0.12 Aa ±0.002

0.08 Ab ±0.008

0.16 Aa ±0.015

0.12 Ab ±0.004

0.08 Ac ±0.003

SDW (Kg)

0.20 Ba ±0.004

0.16 Ab ±0.004

0.14 Ab ±0.004

0.24 Aa ±0.002

0.15 Ab ±0.004

0.13 Ac ±0.004

TDW (Kg)

0.46 Ba ±0.009

0.39 Ab ±0.002

0.32 Ac ±0.011

0.52 Aa ±0.012

0.39 Ab ±0.009

0.30 Ac ±0.007

  1. Leaf area (LA, cm2), leaf dry weight (LDW, kg), root dry weight (RDW, kg), stalk dry weight (SDW, kg) and total dry weight (TDW, kg). Different upper case and lower letters indicate statistical differences between cultivars in each treatment and between water deficit treatments (irrigated, 3 and 12 days of water deficit) for each cultivar, respectively, according to Tukey test (P < 0.05). Values presented as mean ± SE (n = 3)