ECO-FLORISTIC STUDY OF WEED FLORA OF MAIZE CROP IN DISTRICT SWABI, KHYBER PAKHTUNKHWA, PAKISTAN
ECO-FLORISTIC STUDY OF WEED FLORA OF MAIZE CROP IN DISTRICT SWABI, KHYBER PAKHTUNKHWA, PAKISTAN
Maqsood Anwar1, Naveed Akhtar1*, Shah Khalid1 and Hassan Zeb2
ABSTRACT
The present study explains floristic composition and ecological characteristics of weed flora of maize crop. This study was conducted in district Swabi, Khyber Pakhtunkhwa, Pakistan during September-October 2018. A total of 28 weed species distributed in 15 families and 27 genera were reported from the selected maize fields of the study area. Out of 15 families, twevel (12) were dicots having (17 genera and 18 species) and three (3) were monocots having (10 genera and 10 species). Poaceae was dominant family with eight (8 species). Amaranthaceae has five (5 spp.) followed by Aizoaceae and Convolvulaceae 2 species each. The remaining 11 families were each represented by 1 species. Annuals contributed 19 (67.8%) species while perennials shared 9 (32.2%) species. Life form spectra indicated that therophytes were dominant and abundant life form with 17 (60.7%) species. Leaf size spectra showed that microphylls were major class with 12 (42.8 %) species. There were 25 (89.3%) species with simple leaves, 2 (7.1 %) species with compound leaves while 1 (3.6 %) species was represented by dissected leaves.
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