American Journal of Agriculture and Forestry

Volume 2, Issue 5, September 2014

  • Molecular and Biological Studies of Papaya Ringspot Virus Isolates from Brazil and Cuba

    Douglas Rodríguez Martínez, Priscilla de Sousa Geraldino Duarte, Justo González Olmedo, Antonia dos Reis Figueira

    Issue: Volume 2, Issue 5, September 2014
    Pages: 209-218
    Received: 6 August 2014
    Accepted: 19 August 2014
    Published: 30 August 2014
    Abstract: The coat protein genes of 21 Papaya ringspot virus (PRSV) isolates from Brazil and 7 isolates from Cuba were sequenced and analyzed, and the symptoms induced by the virus isolates were evaluated in papaya (Carica papaya L. cv. Solo) and squash (Cucurbita pepo L. cv. Caserta). The virus isolates were grouped in phylogenetic trees by geographic regio... Show More
  • Optimization of Fermentation Medium Compositions from Dewatered Wastewater Sludge of Beer Manufactory for Bacilus Thuringiensis Delta Endotoxin Production

    Nguyen Thi Hoa, Tang Thi Chinh, Dang Thi Mai Anh, Ngo Dinh Binh, Le Thi Minh Thanh

    Issue: Volume 2, Issue 5, September 2014
    Pages: 219-225
    Received: 11 August 2014
    Accepted: 28 August 2014
    Published: 10 September 2014
    Abstract: Optimization of medium compositions from dewatered wastewater sludge of beer manufactory for delta endotoxin production by Bacillus thuringiensis was investigated in flask fermentation. Its composition consisted of wastewater sludge hydrolysis broth with several agricultural byproducts (rice bran, soybean meal, corn flour) and mineral salts (MgSO4.... Show More
  • Pollen Analysis of Apis mellifera Honey Collected from Nigeria

    Joshua Kayode, Sunday Dele Oyeyemi

    Issue: Volume 2, Issue 5, September 2014
    Pages: 226-231
    Received: 23 August 2014
    Accepted: 3 September 2014
    Published: 20 September 2014
    Abstract: Pollen analyses of twelve honey samples collected in two successive years (2011-2012) from different towns and villages in Ekiti State, South western Nigeria were carried out in order to ascertain their pollen compositions. The results from the analysis revealed eighty-five taxa belong to thirty-three botanical families. Of these, thirty-two were i... Show More
  • Effects of Biochar Derived from Maize Stover and Rice Straw on the Early Growth of their Seedlings

    Alie Kamara, Mary Mankutu Mansaray, Abibatu Kamara, Patrick Andrew Sawyerr

    Issue: Volume 2, Issue 5, September 2014
    Pages: 232-236
    Received: 20 June 2014
    Accepted: 8 July 2014
    Published: 20 October 2014
    Abstract: Crop residues such as maize and rice are important sources of nutrients and their restitution to the soil is an important residue management strategy for maintaining or improving soil and crop productivity. However, most maize and rice farmers in Sierra Leone burn crop residues during land preparation thereby depriving the soil of this vital resour... Show More