Table 4 Effect ofKNO₃ and stress factors on mineral contents in Myrobolan rootstock

Stress

Control

-KNO₃

2.33^b

0.25^a

1.55^a

1.21^a

0.22^c

27.44^e

21.71^d

17.95^b

Control

 + KNO₃

2.85^a

0.22^b

1.78^a

1.25^a

0.49^a

71.04^a

57.56^a

21.01^a

Drought

-KNO₃

1.34^d

0.17^cd

1.12^b

0.72^b

0.13^e

17.15^f

16.33^ef

11.67^d

Drought

‘KNO₃

2.34^b

0.17^cd

1.26^b

0.68^b

0.34^b

45.21^c

44.79c

14.71^c

Heat Shock

-KNO₃

1.59^cd

0.17^cd

1.26^b

0.77^b

0.17^d

24.33^e

17.19^e

14.23_c

Heat Shock

 + KNO₃

2.53^ab

0.18^c

1.61^a

0.89^b

0.45^a

54.32^b

51.60^b

17.78^b

Drought + Heat Shock

-KNO₃

0.92^e

0.13^e

1.06^b

0.66^b

0.12^e

15.59^f

14.38^f

9.20^e

Drought + Heat Shock

 + KNO₃

1.88^c

0.15^de

1.14^b

0.80^b

0.26^c

33.20^d

42.84^c

13.76^cd

Significance level

**

**

**

**

**

**

**

**

Recovery

Control

-KNO₃

2.28^b

0.13^a

1.11a

0.98^ab

0.23^cd

31.86^d

25.12^e

24.19^b

Control

 + KNO₃

2.64^a

0.21^a

0.92b

0.99^a

0.54^a

74.49^a

62.24^a

29.65^a

Drought

-KNO₃

1.52^e

0.16^b

0.82^cd

0.89^c

0.13^ef

22.12^e

18.37^fg

16.63^d

Drought

‘KNO₃

2.17^bc

0.13^bc

0.76d

0.64^e

0.37^b

52.11^b

48.21^c

19.50^c

Heat Shock

-KNO₃

1.94^c

0.14^bc

0.94b

0.90^b

0.18^de

29.52^d

20.42^f

19.79^c

Heat Shock

 + KNO₃

2.44^ab

0.14^bc

0.86bc

0.87^c

0.41^b

57.73^b

56.92^b

24.46^b

Drought + Heat Shock

-KNO₃

1.30^f

0.12^bc

0.73de

0.72^d

0.12^f

26.76^de

16.10^g

14.45^e

Drought + Heat Shock

 + KNO₃

1.75^d

0.11^c

0.65e

0.71^d

0.28^c

43.21^c

45.44^d

17.49^d

Significance level

**

**

**

**

**

**

**

**