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yarhussain tobacco


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Title
Distribution of weeds in the fields of Virginia tobacco at Yar Hussain and its out-skirts.
Authors
Farrukh Hussain; Nigar, M. M.; Jabeen Akhtar; Najma Abidi
Journal
Pakistan Journal of Agricultural Research 1984 Vol. 5 No. 4 pp. 227-235
ISSN
0251-0480             The busness man luqman ghani his Y.T.Company mob..03469802927 
Record Number
19860790211 contact us .923469802927 or 923159065489

Abstract

A list of the habit, life form, inflorescence type, flower colour, fruit type, dispersal agents and distribution range is presented for 54 weed spp. from 23 families associated with tobacco crops in the Yar Hussain region of Mardan District, Pakistan. Samples were collected from 20 fields of 9 different tobacco growing areas during April 1982. Major weeds occurring at 100% at all sites studied were Cynodon dactylon andCyperus difformis. Weed spp. reaching 100% constancy on at least one of the 9 areas studied were Anagallis arvensis, Chenopodium murale, Coronopus didymus, Medicago polymorpha, Melilotus indicus and Veronica biloba. In addition to these spp. constancy values of 100% were also recorded for Capsella bursa-pastoris, Chenopodium album, Convolvulus arvensis, Fumaria parviflora, Oxalis corniculata andStellaria media. Of the weed spp. sampled, 70.91, 23.66, 3.66 and 1.81% were therophytes, hemicryptophytes, chamaephytes and geophytes, resp. Results are discussed in terms of tobacco cultivation methods.
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