Table 9 The impact of water treatment and zinc level as well as the interaction between them on grain number/spike, 100 kernel weight, biological yield, straw yield as well as grain yield and harvest index of wheat cultivar.

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

Parameter

No. grains/Spike

100 Kernel weight (g)

Biological yield ts/fed

Grain yield t/fed

Straw yield t/fed

Harvest index

Season

1

2

1

2

1

2

1

2

1

2

1

2

A. Irrigation

Control

52.62

50.51

4.62

4.44

8.51

8.14

2.90

2.84

5.61

5.31

0.281

0.269

Water Stress

44.15

42.39

4.21

4.04

5.20

5.07

1.95

1.91

3.25

3.17

0.239

0.230

F test

*

*

ns

ns

**

*

**

**

**

*

**

*

B. Zn levels ppm

0

40.73d

39.10d

2.64d

2.53d

5.95d

5.78d

1.99d

1.95d

3.97d

3.83d

0.242d

0.232d

100

45.65c

43.82c

4.20c

4.03c

6.44c

6.20c

2.30c

2.25c

4.14c

3.95c

0.251c

0.241c

250

51.93b

49.86b

4.98b

4.78b

7.10b

6.75b

2.54b

2.48b

4.56b

4.27b

0.261b

0.251b

500

55.23a

53.02a

5.84a

5.61a

7.92a

7.70a

2.87a

2.81a

5.05a

4.88a

0.286a

0.275a

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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