Table 5 The leaf areas of canopy eaves of main stems were measured with a handheld laser leaf area meter (Ci-203, CID, Inc., Vancouver, WA, USA) at different growth stages for cv. YLY1 and LYP9 in 2013, 2014 and 2015.n- = 10
From: Architectural and Physiological Features to Gain High Yield in an Elite Rice Line YLY1
Leaf area (cm2) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Period | Leaf position (Basipetal leaf rank) | 2013 | Difference | p | 2014 | Difference | p | 2015 | Difference | p | |||
YLY1 (mean ± SE) | LYP9 (mean ± SE) | YLY1 (mean ± SE) | LYP9 (mean ± SE) | YLY1 (mean ± SE) | LYP9 (mean ± SE) | ||||||||
TS | 1st leaf | 32.47 ± 0.83 | 45.19 ± 0.19 | −39.18% | < 0.01 | 62.72 ± 0.93 | 60.44 ± 2.15 | 3.76% | 0.3688 | / | / | / | / |
2nd leaf | 42.67 ± 2.48 | 40.75 ± 1.41 | 4.72% | 0.3074 | 41.36 ± 0.78 | 41.02 ± 1.73 | 0.82% | 0.8531 | / | / | / | / | |
3rd leaf | 44.91 ± 1.42 | 47.90 ± 0.82 | −6.25% | < 0.05 | 27.09 ± 0.78 | 29.43 ± 1.73 | −7.96% | 0.5143 | / | / | / | / | |
PDS | 1st leaf | 34.80 ± 0.81 | 45.37 ± 0.73 | −30.36% | < 0.01 | 71.87 ± 1.57 | 84.60 ± 0.95 | −17.71% | < 0.01 | 63.28 ± 2.59 | 48.24 ± 4.71 | 31% | < 0.05 |
2nd leaf | 49.19 ± 1.48 | 59.76 ± 1.10 | −21.49% | < 0.01 | 87.26 ± 2.07 | 96.15 ± 1.56 | −9.25% | < 0.01 | 72.40 ± 1.14 | 80.32 ± 3.00 | −10% | < 0.05 | |
3rd leaf | 47.86 ± 0.52 | 55.95 ± 1.17 | −16.90% | < 0.01 | 82.67 ± 3.69 | 78.15 ± 1.39 | 5.79% | 0.2948 | 68.02 ± 2.33 | 82.27 ± 2.19 | −17% | < 0.01 | |
MS | 1st leaf | 35.98 ± 0.88 | 41.99 ± 0.72 | −16.68% | < 0.01 | 71.25 ± 4.05 | 72.37 ± 3.18 | −1.58% | 0.8376 | 51.98 ± 3.72 | 88.97 ± 2.06 | −42% | < 0.01 |
2nd leaf | 47.65 ± 0.63 | 61.65 ± 0.94 | −22.71% | < 0.01 | 89.70 ± 3.14 | 89.24 ± 2.88 | 0.52% | 0.9192 | 49.55 ± 1.19 | 72.18 ± 2.31 | −31% | < 0.01 | |
3rd leaf | 52.93 ± 0.69 | 66.81 ± 0.98 | −20.78% | < 0.01 | 90.10 ± 1.38 | 94.85 ± 1.02 | −5.01% | < 0.05 | 76.09 ± 3.39 | 59.83 ± 1.51 | −21% | < 0.01 | |
YRS | 1st leaf | 31.82 ± 1.45 | 27.67 ± 0.56 | 15.00% | < 0.01 | 48.49 ± 1.12 | 43.17 ± 0.82 | 12.31% | < 0.01 | 59.21 ± 4.89 | 90.81 ± 3.66 | −35% | < 0.01 |
2nd leaf | 45.42 ± 1.24 | 46.41 ± 0.63 | −2.14% | 0.3478 | 54.80 ± 0.68 | 51.96 ± 1.36 | −5.18% | < 0.05 | 55.89 ± 1.34 | 76.08 ± 3.86 | −27% | < 0.01 | |
3rd leaf | 37.21 ± 0.73 | 31.84 ± 1.82 | 16.88% | < 0.01 | 49.17 ± 1.77 | 29.85 ± 0.79 | −39.29% | < 0.01 | 57.69 ± 1.41 | 79.99 ± 3.18 | −28% | < 0.01 | |