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Dive into the research topics where Muhammad Anjum Aqueel is active.

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Featured researches published by Muhammad Anjum Aqueel.


Pest Management Science | 2013

Virulence of Verticillium lecanii (Z.) against cereal aphids; does timing of infection affect the performance of parasitoids and predators?

Muhammad Anjum Aqueel; Simon R. Leather

BACKGROUND Entomopathogenic fungi such as Verticillium lecanii (Z.) (Mycotal(®)) are used for pest control as an alternative to chemical control. In this study, the effect of V. lecanii on cereal aphids is assessed. In addition, an investigation is carried out to determine whether the use of V. lecanii affects the performance of two natural enemies of aphids, the predator Harmonia axyridis (P.) and the parasitoid Aphidius colemani (V.), in no-choice experiments under laboratory conditions. RESULTS The number of Rhopalosiphum padi (L.) and Sitobion avenae (F.) killed was increased by increasing the concentration of V. lecanii. The timing of application of fungus to aphids affected the efficacy of other biocontrol agents, a parasitoid and a predator. Parasitation by A. colemani (V.) in both cereal aphids (S. avenae and R. padi) was not affected by V. lecanii when aphids were first treated with V. lecanii and then exposed to A. colemani. The emergence of adults from parasitised mummies was, however, lower in infected aphids than in uninfected aphids when the aphids were first exposed to the parasitoids and then treated with fungus. The female sex ratio in the emerging adults was lower in V. lecanii-treated aphids in both species. When aphids were first treated with V. lecanii, 72 h before predation, fewer aphids of both species were consumed by H. axyridis (P.). CONCLUSION Use of entomopathogenic fungus as a biological control agent could be a complementary strategy in an integrated pest management programme against cereal aphids, but it can reduce the efficiency of other biocontrol agents (parasitoids and predators) when applied simultaneously.


Insect Science | 2015

Tritrophic interactions between parasitoids and cereal aphids are mediated by nitrogen fertilizer

Muhammad Anjum Aqueel; Abubakar Muhammad Raza; Rashad Mukhtar Balal; Muhammad Shahid; Irfan Mustafa; Muhammad Mansoor Javaid; Simon R. Leather

Host plant nutritional quality can directly and indirectly affect the third trophic levels. The aphid–parasitoid relationship provides an ideal system to investigate tritrophic interactions (as the parasitoids are completely dependent for their development upon their hosts) and assess the bottom up forces operating at different concentrations of nitrogen applications. The effects of varying nitrogen fertilizer on the performance of Aphidius colemani (V.) reared on Sitobion avenae (F.) and Aphidius rhopalosiphi (D.) reared on Rhopalosiphum padi (L.) were measured. Parasitism and percent emergence of parasitoids were positively affected by nitrogen fertilizer treatments while developmental duration (egg, larval, and pupal stages) was not affected by increasing nitrogen inputs. In males and females of both parasitoid species, adult longevity increased with the increasing nitrogen fertilizer. Hind tibia length and mummy weight of both parasitoid species increased with nitrogen fertilizer concentrations, as a result of larger aphids. This study showed that nitrogen application to the soil can have important consequences for aboveground multitrophic interactions.


Turkish journal of entomology | 2014

Biochemical studies on the amylase of Mango Mealybug (Drosicha stebbingi Green)

Mubasshir Sohail; Muhammad Anjum Aqueel; Muhammad Afzal; Abubakar Muhammad Raza; Muhammad Karman; Muhammad Sajjad Khalil

Summary Mealybug (Drosicha stebbingi Green) is voracious pest of the mango orchards. It causes heavy quality losses and low production of mango fruit (Luhanga & Gwinner 1993). The research was conducted to control the pest. Isolation, purification and characterization of amylase from mango mealybug were performed. Amylolytic activity was 365U/ml in crude homogenate of D. stebbingi whereas in acetone precipitation sample activity was 680 U/ml. The optimum pH and temperature for amylase activity was 6.4 and 50-60 oC, respectively. However, amylase activity was maximum at 3% of substrate (starch) concentration. Enzymatic activity was inhibited by Pb


Turkish Journal of Botany | 2015

Foliar spray of phyto-extracts supplemented with silicon: an efficacious strategy to alleviate the salinity-induced deleterious effects in pea (Pisum sativum L.)

Muhammad Adnan Shahid; Rashad Mukhtar Balal; Muhammad Aslam Pervez; Tahira Abbas; Muhammad Anjum Aqueel; Muhammad Mansoor Javaid; Francisco García-Sánchez


Pakistan Journal of Zoology | 2018

Comparative Evaluation of Selected Biorational Insecticides against Spodoptera litura (Fabricius) on Cauliflower

Sumaira Maqsood; Muhammad Afzal; Muhammad Anjum Aqueel; Waqas Wakil; Hafiz Azhar Ali Khan


Pakistan Journal of Zoology | 2017

Evaluation of Few Essential Oils for the Management of Parasitic Bee Mites, Varroa destructor (Acari: Varroidae) in Apis mellifera L. Colonies

Muhammad Abu Bakar; Muhammad Anjum Aqueel; Abu Bakar Muhammad Raza; Muhammad Irfan Ullah; Muhammad Arshad; Mubasshir Sohail; Jaime Molina-Ochoa


Pakistan Journal of Zoology | 2017

Efficacy of Nuclear Polyhedrosis Virus and Flubendiamide Alone and in Combination against Spodoptera litura F.

Sumaira Maqsood; Muhammad Afzal; Muhammad Anjum Aqueel; Abu Bakar Muhammad Raza; Waqas Wakil; Muhammad Hussnain Babar


Journal of entomology and zoology studies | 2016

Influence of weather factors on the seasonal abundance of citrus mite Eutetranychus orientalis (Klein) on different citrus cultivars

Muhammad Abu Bakar; Muhammad Anjum Aqueel; Mubasshir Sohail; Abu Bakar Muhammad Raza; Muhammad Afzal; Muhammad Tayyab; Muhammad Arshad


Pakistan Journal of Nutrition | 2015

Nutritional Assessment of Kinnow Mandarin Fruit (Citrus reticulata Blanco), Infected by Few Sucking Insect-Pests of Citrus

Muhammad Zubair; Rashad Mukhtar Balal; Muhammad Anjum Aqueel; Muhammad Shahid; Gulzar Akhtar; Ahsan Akram; Muhammad Wajid Khan; Muhammad Awais Sadiq


Archive | 2014

Biochemical studies on the amylase of Mango Mealybug (Drosicha Stebbingi Green) Mango unlubitlerinde amilaz üzerinde biyokimyasal çalişmalar (Drosicha Stebbingi Green)

Muhammad Anjum Aqueel; Muhammad Afzal; Abubakar Muhammad Raza; Muhammad Kamran; Muhammad Sajjad Khalil

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Muhammad Shahid

University of Agriculture

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Waqas Wakil

University of Agriculture

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