Salinity (dS・m⁻¹)

Foliar spray

Chl_a

(ppm)

Chl_b

(ppm)

Carotenoid

(ppm)

Chl_a + Chl_b

(ppm)

Chl_a: Chl_b

(Chl_a + Chl_b) Carotenoids

0.39

(Tap water)

1. Tap water

6.2

2.0

2.5

8.2

3.1

3.3

2. Ascorbic acid

(150 ppm)

5.9

2.2

2.4

8.1

2.7

3.3

3. Trt. 2 + ZnSO₄

(200ppm)

5.8

2.2

2.5

8.0

2.6

3.2

3.9

1. Tap water

4.5

2.5

2.3

7.0

1.8

3.0

2. Ascorbic acid

(150 ppm)

4.4

2.0

1.7

6.5

2.2

3.8

3. Trt. 2 + ZnSO₄

(200ppm)

5.5

2.3

1.9

7.8

2.4

4.1

7.8

1. Tap water

6.1

2.4

2.3

8.5

2.5

3.7

2. Ascorbic acid

(150 ppmt does)

4.8

1.9

1.6

6.7

2.5

4.2

3. Trt. 2 + ZnSO₄

(200ppm)

5.1

1.9

1.9

7.0

2.7

3.7

LSD at P ≤ 0.05

N.S

N.S

N.S

0.742

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