Table 6 The impact of water treatment and zinc level as well as the interaction between them on wheat flag leaf chlorophyll and carotenoids content at heading.

From: Influence of zinc foliar spray on growth, some important physiological processes, yield and yield attributes of bread wheat under water stress

Parameter

Chl a

(mg g−1 fwt)

Chl b

(mg g−1 fwt)

Carotenoids

(mg g−1 fwt)

Total Chl

(mg g−1 fwt)

Season

1

2

1

2

1

2

1

2

A. Irrigation

 Control

0.582

0.525

0.262

0.251

0.154

0.149

0.844

0.776

 Water Stress

0.331

0.323

0.162

0.158

0.169

0.165

0.492

0.481

 F test

**

*

**

*

**

*

*

*

B. Zn levels ppm

 0

0.297d

0.285c

0.127d

0.122d

0.141d

0.135d

0.424

0.407

 100

0.367c

0.354c

0.213c

0.205c

0.161c

0.155c

0.580

0.559

 250

0.482b

0.443b

0.236b

0.230b

0.164b

0.160b

0.718

0.673

 500

0.679a

0.614a

0.272a

0.261a

0.182a

0.178a

0.951

0.875

F test

**

**

**

**

**

**

**

**

C. Interactions

 A × B

**

*

**

**

**

*

**

**

  1. Based on CoHort/CoStat software, Version 6.311, various letters point to substantial variance between treatments at p 0.05, *significant at 0.05 possibility levels and **significant at 0.05 possibility levels.
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