alexa Morpho-physiological Adaptive Components of <em>Poa annua</em> against Different Treatments of Herbicides. | OMICS International| Abstract

Journal of Ecology and Toxicology
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  • Research Article   
  • J Ecol Toxicol 2018, Vol 2(2): 117

Morpho-physiological Adaptive Components of Poa annua against Different Treatments of Herbicides.

Zafar Iqbal Khan1*, Afshan Aziz1, Kafeel Ahmad1, Kinza Wajid1, Humayun Bashir1, Mudasra Munir1, Ifra Saleem Malik1, Bushra Huma1, Asma Ashfaq1, Iftikar Ahmad1, Mishal Iftikhar1, Farzana Shaheen1, Ijaz RasoolNoorka2, Mahpara Shehzadi3, Hafsa Memona4, Madiha Sana4, Khalid Nawaz5, Tasawar Abbas6, Muhammad Fahad Ullah6, Abrar Hussain7, Muhammad Sher8, Muhammad Nadeem9, Naunain Mehmood10, Hira Muqadas11 and Saif Ullah12
1Department of Botany, University of Sargodha, Sargodha, Pakistan
2Plant Breeding and Genetics, Agriculture College, University of Sargodha, Sargodha, Pakistan
3Department of Plant Breeding and Genetics, Ghazi University, Dera Ghazi Khan, Pakistan
4Department of Zoology, Lahore College for Women University, Lahore, Pakistan
5Department of Botany, University of Gujrat, Gujrat, Pakistan
6Department of Earth Sciences, University of Sargodha, Sargodha, Pakistan
7University of Education Township Campus, Lahore, Pakistan
8Department of Chemistry, University of Sargodha, Sargodha, Pakistan
9Institute of Food Science and Nutrition, University of Sargodha, Sargodha, Pakistan
10Department of Zoology, University of Sargodha, Sargodha, Pakistan
11Department of Zoology, Women University, Multan, Pakistan
12Department of Economics, University of Sargodha, Sargodha, Pakistan
*Corresponding Author : Zafar Iqbal Khan, Department of Botany, University of Sargodha, Sargodha, Pakistan, Tel: +92300-7506618, Email: [email protected]

Received Date: Nov 26, 2018 / Accepted Date: Dec 17, 2018 / Published Date: Dec 24, 2018


Current study was conducted to assess various survival strategies by morphological and physiological character expressions by the weed, Poa annua, after applying different herbicidal treatments in five contrasting habitats. Morphological traits such as root and shoot length, leaf area, leaf count, dry and fresh leaves, fresh and dry weight were observed and analyzed against different treatments of herbicides. Mineral analysis and measurement of photosynthetic pigments were included in the physiological parameters. Poa annua proved to be an opportunistic plant showing resistance against treatments of Novex, Bromoxynil, Trump and Sulfosulfuron.

Mean root length, mean shoot length were rather promoted after application of Trump and Bromoxynil indicating negative effects of these herbicides. Mean dry leaves, however, increased after every application indicating positive effect on weed plants. Over all, chlorophyll a, b and carotenoids also increased after application. Mineral uptake was favored for few minerals and disfavored for others depicting changes in plant physiology after spraying of herbicides. Current study, based on results, concludes that herbicidal treatment on species did not significantly alter the growth of weed which indicated resistance in plants. So, for management of weed, chemical control proved to be insignificant. Altered strategy of different field doses or using a combination of herbicides is suggested to control weed populations in agricultural fields.

Keywords: Poa annua ; Weed; Ecology; Herbicide; Invasive species 

Citation: Khan ZI, Aziz A, Ahmad K, Wajid K, Bashir H, et al. (2018) Morpho-physiological Adaptive Components of Poa annua against Different Treatments of Herbicides. J Ecol Toxicol 2: 117.

Copyright: © 2018 Khan ZI, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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