Table 1 Nitrogen content and growth-associated traits of two contrasting inbred popcorn lines under low (N10) and high (N100) nitrogen levels.

From: Revealing the differential protein profiles behind the nitrogen use efficiency in popcorn (Zea mays var. everta)

Nitrogen supply

N10

N100

Genotype

P2

L80

P2

L80

Plant height (cm)

20.84 A

15.97 B

21.85 A

20.39 A

Leaf area (cm2)

43.77 A

23.41 B

59.94 A

49.26 A

Leaf dry weight (g)

1.41 A

0.6 B

2.46 A

1.4 B

Stem dry weight (g)

0.79 A

0.27 B

1.26 A

0.67 B

Root dry weight (g)

0.36 A

0.22 A

0.46 A

0.43 A

Leaf N content (mg)

31.33 A

12.01 B

71.09 A

40.8 B

Stem N content (mg)

12.9 A

4.44 B

31.34 A

19.18 B

Root N content (mg)

3.1 A

1.77 A

5.25 A

4.8 A

  1. The average followed by the same capital letters between genotypes inside N-levels did not differ significantly by the Tukey test (P < 0.05, n = 4).
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