X hits on this document

PDF document

B. Niroula / Our Nature (2003) 1: 10-14 - page 4 / 5

16 views

0 shares

0 downloads

0 comments

4 / 5

B. Niroula / Our Nature (2003) 1: 10-14

Table 2. Comparative effects of industrial effluents and Sub metropolitan sewage on percentage germination of rice and blackgram

1

Diesel Power House

2

Hetaunda Iron & Steel

3

Hulas Wire

4

Himalaya Soap & Chemicals

5

Leather Industry

6

Shah Udyog

7

Submetropolitan Sewage

8

Tap Water (Control)

S.N.

Effluents/Sewage

Germination (%)

Blackgram 88 92 86 00 92 94 86

88

Ric 65 80 78 00 05 80 88

85

e

Table 3. Comparative effects of industrial effluents and Sub-metropolitan sewage on seedling growth (cm) of rice 7 and blackgram 4 days

S.N.

1 2

3 4

5 6

7 8

Root (cm) 5.2±1.2

Shoot (cm) 2.6±0.74

5.3±0.97 5.7±1.0 -

3.9±0.68 3.4±0.66 -

0.3±0.33 4.8±0.14

0.1±0.14 2.5±0.40

4.4±0.97 5.3±1.0

2.6±0.44 2.8±0.51

Effluents/Sewage

Diesel Power House Hetaunda Iron & Steel Hulas Wire Himalaya Soap & Chemicals# Leather Industry Shah Udyog Sub-metropolitan Sewage Tap Water (Control)

Rice

Root

Shoot (cm)

(cm)

Hypocotyl

Epicotyl

2.2±0.61

1.7±0.53

4.9±⊗⊗0.64

Black gram

3.9±0.54

4.6±0.53

8.6±1.0

2.6±0.55

2.0±0.34

5.1±0.61

3.1±0.55

5.3±0.58

9.1±1.3

3.3±0.75

2.7⊗⊗±0.34

6.5±0.70

-

-

-

2.8±0.49

3.6±0.42

8.0±0.71

4.0±0.56

6.5±0.43

9.8±0.93

# Effluent of Himalaya Soap & Chemicals had lethal effect. Significant at 1% level. ⊗⊗ Significant at 5% level.

References Chapagain, N. 1991. Physiological impact of Dhobikhola (Kathmandu) water pollution on Persicaria pe foliata L. leaves and germination of some vegetable seeds. M.Sc. Thesis, Central Department of Botany, T.U. Kathmandu, Nepal. Dahal, M., M. D. Kafle and D. Rijal 1997. Environmental impact assessment of Rani Biratnagar, ( Field work Report), Department of Botany, Post Graduate Campus, T.U. Biratnagar, Nepal.

Ghimire, S. K. and D. Bajracharya 1996. Toxicity effect of industrial ef luents on seed germination and seedling growth of some vegetables. Ecoprint 3: 1-12. Goel, P. K., S. M. Kulkarni 1994. Effects of sugar factory waste on germination of Gram seed (Cicer aeritinum L.). Jour. f Environ.andPollution1:35-53. Gupta, V. N. P. and N. Chapagain 1999. Germination

behaviour of affected by

some vegetable polluted water of

seeds as Dhobikhola

(Kathmandu). Scient

ic World 1: 37-42.

13

Document info
Document views16
Page views16
Page last viewedWed Jan 18 23:03:06 UTC 2017
Pages5
Paragraphs275
Words1992

Comments