Table 2 Influence of plasma dose on yield traits of Cowpea cv. GIZA-18 under different salinity levels in 2022 and 2023 seasons.

From: In vitro assessment of Cowpea cv. GIZA-18 forage grown from low-pressure radiofrequency plasma-treated seeds under salt stress

Treatment

Branches number plant–1

Leaves number plant–1

Leaves fresh weight plant–1 (g)

Forage yield plant–1 (g)

Season of 2022

No-salinity

PD2

6.33a

55.4a

117.8a

304.5a

PD1

5.58ab

46.9a-d

86.4a-c

223.6a-c

PD0

3.83b-c

39.7b-e

67.5 cd

144.2c-e

Moderate salinity

PD2

4.50a-c

43.7a-d

76.5b-d

223.6a-c

PD1

6.00a

54.4ab

104.7ab

283.2a

PD0

4.58a-c

38.5c-e

61.0c-e

192.7bc

High salinity

PD2

3.08bc

17.0f

31.2ef

74.2ef

PD1

2.91c

13.4f

26.8ef

61.9ef

PD0

2.66c

10.8f

17.8f

35.8f

Season of 2023

No-salinity

PD2

4.67a

17.8ab

39.8ab

106.9a

PD1

3.67ab

19.7ab

45.8ab

121.0a

PD0

2.67b-d

16.8ab

28.3bc

72.6b-d

Moderate salinity

PD2

3.00a-c

16.9ab

34.3bc

98.70ab

PD1

4.00ab

25.8a

55.8a

142.0a

PD0

1.67 cd

8.5b

15.8c

40.1 cd

High salinity

PD2

3.33a-c

19.9ab

33.6bc

78.6a-c

PD1

3.67ab

26.3a

45.5ab

100.4ab

PD0

1.33d

9.3b

14.1c

31.5d

  1. No-salinity, moderate salinity and high salinity: soil salinity at 3.0, 5.5 and 7.0 dS m−1, respectively; PD0, PD1 and PD2: plasma dose of 0.0, 1.0, and 2.0 min, respectively. Varied letters of columns points out that there are significant differences at 0.05 level of probability. Means were distinguished employing Duncan’s multiple range test (p ≤ 0.05).
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