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Allelopathic effect of various aqueous plant extracts on weeds and yield of maize (Zea mays L.)

Research Paper | May 1, 2018

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Iqtidar Hussain, Ejaz Ahmed Khan, Ali Ahmed Sabir, Umer Khitab, Imam Bakhsh, Muhammad Shuaib Khan, Yasir Ihtesham

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Int. J. Biosci.12( 5), 167-173, May 2018

DOI: http://dx.doi.org/10.12692/ijb/12.5.167-173


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A field study was performed at Research field of Faculty of Agriculture; Gomal University Dera Ismail Khan during summer 2016 to evaluate the Allelopathic impacts of different plants extracts on weeds biomass and yield of maize. The experiment was arranged in a Randomized Complete Block Design with four replicates. Mature leaves (1kg) of these plants were cut and slashed, then bubbled with hot water (10lit) and concentrate was sifted through a Muslin material and crushed by squeezing by hands. The treatments included, T1= Control (No splash on weeds) , T2= Chemical (Atrazine @ 400 g kg-1 (40% w/w) and Mesotrione @ 100 g kg-1 (10% w/w)), T3= Kortuma (Citrullus colocynthis L.), T4= Neem (Azadirachta indica L.), T5= Sheesham (Dalbergia sissoo L.), T6= Acacia (Acacia arabica L.), T7= Draikh (Meliaazadirach L.), T8= Sunflower (Helianthus annuus L.), T9= (Sorghum vulgaris L.), T10= (Eucalyptus camaldulensis L.), T11= Congress grass (Parthenium hysterophorus L.), T12= Tobacco (Nicotiana tobacum L.), T13= Popular (Populous deltoids L.). The statistical analysis of gathered information depicted that utilization of various concentrations of plants diminished weeds and a few concentrates had phytotoxic impact on Maize crop likewise though a few plants stimulate vegetative maize development. Among all treatments, Sunflower extract application gave reliably better weed control and increment maize yield while Eucalyptus, Neem, Draikh and Congress grass separates diminished plant height, cob length, number of grains cob-1, biological yield and grain yield. Leaf concentrate of Eucalyptus, Neem and Draikhsup pressively affect maize crop however it control weeds to some degree yet its utilization is not prudent in maize cultivates to control weeds because of its negative effects on development of maize crop. In the trial, chemical control stays best in weed concealment and getting the most extreme grain yield of maize. Tobacco and Kortuma remove splashed and fused soil altogether increment the root and shoot length yet these two concentrates having little weed concealment.


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Allelopathic effect of various aqueous plant extracts on weeds and yield of maize (Zea mays L.)

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