Rizvi Et Al

Rizvi et al



Greener
Journal of  Agricultural Sciences


Vol. 3 (10), pp.
725-735,
October 2013.


 ISSN: 2276-7770 



Research

Paper

Manuscript Number: 082613803

 



Rubber Crumb Pollution Affecting the Growth of Some
Leguminous Plants

 



Aamna Rizvi
1,
Mohammad Zafar Iqbal1 and 

Mohammad Athar*2,
3

 

1Department of Botany,
University of Karachi, Karachi- 75270, Pakistan.

2Department of Food Science
& Technology, University of Karachi, Karachi- 75270,
Pakistan.


3
California
Department of Food and Agriculture, 3288 Meadowview
Road, Sacramento, CA 95832, USA.

 

*Corresponding
Author’s Email:
atariq
@ cdfa. ca. gov

Abstract:

The effect of
different concentrations of rubber crumb collected from the
vicinity of rubber factories situated in S.I.T.E area


Karachi


was
studied on
the seedling growth of Pithecellobium dulce (Roxb)

Benth.
,
Adenanthera pavonina
L. and Pisum sativum
L. under natural environmental conditions.  All the
treatments exhibited inhibition of most of growth parameters
(shoot length, seedling length,

number
of leaves, shoot dry weight,
leaf dry weight, total plant dry weight and specific leaf
area) in P. dulce.  However, A. pavonina
showed improved growth in root length, number of leaves,
root dry weight, shoot dry weight, leaf dry weight, total
dry weight, root/shoot ratio and leaf weight ratio.  P.
sativum
was the most affected plant as compared to P.
dulce
and A. pavonina and showed highly
declined growth under all the rubber crumb treatments. 
P. sativum
plants treated with 30% rubber crumb did not
survive after two weeks of growth.  This showed that the
soil contaminated with rubber crumb drastically affected the
plant growth.  The findings of this research could be
helpful in monitoring and controlling the pollutant levels
in soils of the industrial areas.  Such information could
also be useful for landscaping and urban planning.

 

Keywords: Rubber crumb, pollution, seedling growth,
leguminous plants, landscaping.


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