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Research Article

Agricultural Science Digest, volume 38 issue 1 (march 2018) : 1-10

Diversity of weed species in wheat fields of district Rajouri, Jammu and Kashmir

Amandeep Singh, Satvinder Singh, L.R. Dangwal
1Herbarium and Plant Systematic Lab, Hemwati Nandan Bahuguna Garhwal Central University, S.R.T Campus, Badshahi Thaul-249 199, Tehri Garhwal, Uttarakhand, India.
Cite article:- Singh Amandeep, Singh Satvinder, Dangwal L.R. (2018). Diversity of weed species in wheat fields of district Rajouri, Jammu and Kashmir. Agricultural Science Digest. 38(1): 1-10. doi: 10.18805/ag.D-4382.

ABSTRACT

The present study was conducted to determine the diversity of weed species in wheat fields of the district Rajouri (J&K). For analyzing diversity 20 quadrats of (1m.×1m.) were randomly laid down in each block. In every set of quadrat frequency, density and abundance was observed throughout the cropping season and IVI (Important value index) was determined. During the course of field study it was reported that the maximum infestation was shown by grassy weed  Avena fatua having maximum density (10.15, 12.12, 7.30, 9.35, 10.6, 8.55 from site 1-6 respectively) and IVI (35.71, 43.49, 30.27, 33.91, 32.59, 32.11 from site 1-6 respectively) in all the selected sites. While the least dominant weeds were Calotropis procera, Conyza japonica, Cannabis sativa, Rumex acetosa, Euphorbia prolifera and Sonchus asper etc. A total of 116 weed species belonging to 3 monocot and 27dicot families were reported from the target site.

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