2018
DOI: 10.1590/s0100-83582018360100132
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Abstract: Parthenium hysterophorus being a declared invasive weed worldwide is threatening the biodiversity of Pakistan. To study its allelopathic potential, laboratory and pots based studies were undertaken during July-August and October-November, 2010 in Weed Research Laboratory, Department of Weed Science, The University of Agriculture Peshawar, Khyber Pakhtunkhwa Pakistan. The experiments were conducted to investigate the allelopathic effect of parthenium on crops Triticum aestivum, Cicer arietinum and Brassica cam… Show more

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Cited by 10 publications
(4 citation statements)
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“…This might because that the LA of L . sativa is promoted by the low concentration of the aqueous extracts, in accord with former studies [ 35 ]. Overall, the different responses of the determined characteristics of the target species to the allelopathy is clearly due to their different sensitivity or the index specificity within a species [ 36 38 ].…”
Section: Discussionsupporting
confidence: 88%
“…This might because that the LA of L . sativa is promoted by the low concentration of the aqueous extracts, in accord with former studies [ 35 ]. Overall, the different responses of the determined characteristics of the target species to the allelopathy is clearly due to their different sensitivity or the index specificity within a species [ 36 38 ].…”
Section: Discussionsupporting
confidence: 88%
“…Allelochemicals are present in almost all plant tissues (leaves, flowers, fruits stems, roots, rhizomes, seeds, and pollen), and are released to the environment through volatilization, leaching, root exudation, and decomposition of plant residues (Sangeetha and Baskar, 2015). The mechanisms by which allelochemicals act to inhibit germination, shoot, and root growth of other plants, involves the nutrient uptake destroying the plant's usable source of nutrients (Hassan et al, 2018), among others such as a generalized reduction in mitotic activity in roots and hypocotyls, hormone activity, rate of ion uptake, photosynthesis, respiration, protein formation, the permeability of cell membranes and/or enzyme action (Chang and Cheng, 2015). The presence of terpenes was identified, but not flavonoids, in N. exaltata aqueous extract (Sanchez et al, 2018), and it is known that terpenes inhibit the nitrification of soil, influencing the productivity of a plant community (Coskun et al, 2017).…”
Section: Resultsmentioning
confidence: 99%
“…Although, P. hysterophorus is spreading rapidly (Thapa et al, 2018) and its occurrence impacting negatively on plant composition of rangelands (Khaket et al, 2015;Hassan et al, 2018), no documentation exists on how it has influenced the vegetation composition in Queen Elizabeth National Park (QENP). Thus, the examination of abundance for P. hysterophorus and how it impacts on plant species diversity, can help in monitoring of the habitat of QENP as an important aspect of wildlife and biological conservation (Pilliod and Arkle, 2013).…”
Section: Introductionmentioning
confidence: 99%