November 2010

Host selection behaviour of aphid parasitoids (Aphidiidae: Hymenoptera)

  Biological control is the central stone of Integrated Pest Management (IPM) paradigm and natural enemies are becoming an increasingly desirable prospect. Parasitoids are a widely used group of invertebrate natural enemies as biological control agents and several species are being used to control various aphid pests. In recent years, an increasing emphasis is being given to the conservation and...

Author(s): Abdul Rehman and Wilf Powell

November 2010

Effect of different sowing dates on the yield and yield components of direct seeded fine rice (Oryza sativa L.)

  The research was conducted to study the response of yield and yield components of direct seeded fine rice (Oryza sativa L.) to different sowing dates during 2008 at Agronomic Research Area, University of Agriculture Faisalabad. Experiment was laid out in a randomized complete block design with three replications having net plot size of 4 x 3 m. Experiment comprised of six different sowing dates that is...

Author(s): Nadeem Akbar, Asif Iqbal, Haroon Zaman Khan, Muhammad Kashif Hanifand Muhammad Usman Bashir

November 2010

Effects of Gibberellic acid and 2,4-dichloro-phenoxyacetic acid spray on fruit yield and quality of tomato (Lycopersicon esculentum Mill.)

  Experiment was conducted at Melkassa Agricultural Research Center, centeral rift valley of Ethiopia from September 2008 to January 2009 with the objective to determine the effects of different concentrations and combinations of 2,4-dichlorophenoxyacetic acid (2,4-D) and gibberellic acid (GA3) spray on fruit yield and quality of tomato. The experiment consisted of two tomato varieties-one processing (Roma VF)...

Author(s): Dandena Gelmesa, Bekele Abebie and Lemma Desalegn