Skip to main content

Table 4 Effect of seed hardening on vegetative growth

From: Enhancing thermotolerance of tomato plants (Lycopersieon esculentum mill) by heat hardening of seeds

Treatments

Parameters

Temp. (°C)

Exposure period (h)

Stem length (cm)

No. of branches/plant

No. of leaves/plant

Leaf area (cm2/plant)

Leaves fresh wt. (g/plant)

Leaves dry wt. (g/plant)

Shoot fresh wt. (g/plant)

Shoot dry wt. g/plant

Control

36.5b

0.67d

6.33c

199.27e

6.01g

0.691d

11.76e

1.41ef

50

0.5

35.1b

0.67d

6.67c

229.10bc

6.51f

0.714cd

12.52d

1.44de

1

36.0b

1.00c

7.67ab

238.70b

6.76ef

0.743bc

13.20c

1.48cd

2

37.7b

1.33b

8.33b

239.70b

7.18cd

0.779b

13.53c

1.51bc

60

0.5

36.5b

1.00c

7.67c

215.90cd

7.02de

0.764b

13.69c

1.49cd

1

36.9ab

1.00c

8.00c

287.40a

7.65ab

0.764b

14.79b

1.51bc

2

39.3a

1.67a

8.33a

279.00a

7.95a

0.829a

15.77a

1.63a

70

0.5

39.0a

1.33b

7.67b

252.0b

7.46bc

0.774b

14.78b

1.54b

1

37.4ab

1.00c

7.00c

220.00cd

7.73ab

0.723c

13.74c

1.47cd

2

37.1ab

1.00c

6.67c

208.30de

6.10g

0.683d

12.05de

1.36f

L.S.D at 5%

2.40

0.25

0.88

15.31

0.883

0.031

0.53

0.05