Table 3 Effect of K application on spike and floret characteristics of Zygopetalum maculatum plants.

From: Potassium application enhances vegetative and reproductive yield of Zygopetalum maculatum and reduces post-flowering K depletion from storage organs of the orchid

Treatment

Number of spikes per plant

Spike length (cm)

Spike stem width (cm)

Peduncle length (cm)

Pedicle length (cm)

Number of florets per spike

Floret length (cm)

Floret width (cm)

T1

0.75b

53.1d

0.621d

28.2c

4.52c

4.50c

6.31c

5.52c

T2

1.00b

55.6cd

0.772c

31.4b

4.97c

5.00c

6.51c

6.11bc

T3

1.25b

60.2bc

0.799c

31.5b

5.56b

5.25bc

6.97bc

6.16b

T4

1.50ab

64.4b

0.851bc

34.3ab

5.79b

5.75b

7.24b

6.46b

T5

1.75ab

65.3b

0.886b

35.8a

6.01ab

5.50bc

7.31b

6.54ab

T6

2.00a

70.9a

0.965a

36.1a

6.28a

6.50a

8.22a

7.08a

  1. Means with statistically significant differences (as per LSD, P < 0.05) are denoted by distinct lowercase letters within treatments. T1 = Distilled water (control = K0), T2 = 10 mg L−1 K (K10), T3 = 25 mg L−1 K (K25), T4 = 50 mg L−1 K (K50), T5 = 75 mg L−1 K (K75) and T6: 100 mg L−1 K (K100).
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