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National Agricultural Research Centre (NARC), Islamabad  established in 1984, is the largest research centre of the Pakistan Agricultural Research Council (PARC). NARC, with a total land area of approximately 1400 acres, is located near Rawal Lake, six kilometers south-east of Islamabad. Physical facilities in term of experimental fields, laboratories, green houses, gene bank, library/ documentation, auditorium, machinery & lab equipment repair workshops, stores, hostels, cafeteria, audio visual studios, are also available at NARC.

Journal Article

Journal Article

Invasive weeds a threat to the biodiversity: A case study from Abbottabad district [North-West] Pakistan  [2002]

Hashim, S.; Marwat, K.B. (NWFP Agricultural Univ., Peshawar (Pakistan). Dept. of Weed Science);

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A survey was conducted using a sample of 200 farmers from 16 villages of Abbotabad district, during August 2001 to March 2002 regarding weeds. A total of 36 weeds were reported as problem weeds, and out of that, only 16 weeds reported as invasive. These were Xanthium strumarium, Ipomoea eriocarpa, Alternanthera pungens, Trianthema portulacastrum, Tagetes minuta, Imperata cylindrica, Amaranthus hybridus, Robinia pseudoacacia, Broussonetia papyrifera, Ailanthus altissima, Pistia stratiotes, Phragmites australis, Parthenium hysterophorus, Cannabis sativa, Galium aparine and Emex spinosus. Among these invasive plants, Robinia pseudoacacia, Broussonetia papyrifera and Ailanthus altissima, were purposely introduced and all three are trees and they later on became invasive or at least aggressive by replacing or suppressing the local vegetation. Their distribution, history of invasion and management has been discussed in this manuscript.
From the journal
Pakistan Journal of Weed Science Research (Pakistan)
ISSN : 1015-3055

Bibliographic information

Language:
English
Type:
Summary
In AGRIS since:
2003
Volume:
8
Issue:
1-2
Start Page:
1
End Page:
12
All titles:
"Invasive weeds a threat to the biodiversity: A case study from Abbottabad district [North-West] Pakistan"@eng
Other:
"Summary (En)"
"2 tables, 18 ref."
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Bibliographic information

Language:
English
Type:
Summary
In AGRIS since:
2003
Volume:
8
Issue:
1-2
Start Page:
1
End Page:
12
All titles:
"Invasive weeds a threat to the biodiversity: A case study from Abbottabad district [North-West] Pakistan"@eng
Other:
"Summary (En)"
"2 tables, 18 ref."