Table 21 Effect of interaction between benzoic, t-cinnamic and salicylic acids on photosynthetic pigments, IAA and phenolic contents of flax cultivars grown under sandy soil conditions (data are means of two successive seasons)

Blanka

1.313

0.433

0.415

2.161

27.67

58.65

Benzoic acid

50

1.653

0.591

0.550

2.794

43.75

92.75

75

1.988

0.662

0.641

3.291

48.02

101.79

100

1.950

0.704

0.555

3.209

53.30

113.00

T-cinnamic acid

50

1.381

0.491

0.453

2.325

42.42

89.92

75

1.406

0.514

0.477

2.396

51.75

109.71

100

1.707

0.504

0.568

2.779

54.39

115.30

Salicylic acid

50

1.711

0.584

0.543

2.838

42.35

89.78

75

1.632

0.807

0.545

2.985

53.47

112.71

100

1.910

0.850

0.583

3.343

56.02

119.39

Line-4

1.257

0.462

0.407

2.126

18.50

39.22

Benzoic acid

50

1.541

0.489

0.506

2.536

25.36

53.76

75

1.602

0.537

0.492

2.631

35.44

75.12

100

1.334

0.457

0.449

2.240

34.42

72.96

T-cinnamic acid

50

1.326

0.481

0.425

2.232

24.75

52.47

75

1.616

0.573

0.534

2.723

30.75

65.19

100

1.743

0.671

0.591

3.004

36.13

76.60

Salicylic acid

50

1.316

0.649

0.337

2.303

29.56

62.67

75

1.473

0.530

0.443

2.447

40.97

86.85

100

1.733

0.823

0.666

3.222

48.40

102.60

Giza-8

1.006

0.439

0.351

1.796

24.25

51.41

Benzoic acid

50

1.560

0.589

0.289

2.438

35.25

74.72

75

1.447

0.585

0.452

2.484

40.25

85.33

100

1.498

0.613

0.475

2.585

50.97

108.05

T-cinnamic acid

50

1.422

0.531

0.397

2.351

37.30

79.08

75

1.614

0.593

0.576

2.783

61.00

129.32

100

1.137

0.593

0.340

2.069

61.80

131.02

Salicylic acid

50

1.354

0.535

0.470

2.359

40.89

86.68

75

1.269

0.618

0.365

2.253

56.80

120.42

100

1.356

0.537

0.443

2.335

65.25

138.33

0.11

0.071

0.053

0.125

2.23

4.72