June 2011
Contribution of forests to achieving the millennium development goals
The United Nation’s millennium development goals (MDGs) are common objectives that provide a framework to meet the basic needs and rights of millions of people in the developing world. Eight goals with 18 targets and over 40 indicators will help to monitor and meet up with these goals. A target date of 2015 had been set for the world leaders to work towards. Forest management and conservation is central to the...
June 2011
Potential of traditional food plants in rural household food security in Botswana
Botswana is endowed with a variety of traditional food plants which grow annually despite erratic rainfall. The most common traditional food plants are leafy vegetables (for example, Amaranthus, Cleome, Conchorus and Vigna species) and indigenous fruits (for example, Azanza garckeana, Strychnos cocculoides, Sclerocarya birreaetc.). They provide an important source of food for people with...
June 2011
Soil seed banks of a rangeland area White Nile State, Sudan
Three soil depths (0 to 5, 5 to 10 and 10 to 15 cm) were chosen at the study area and the soil seed bank was analyzed for the number of live and dead seeds for each of them. The analysis revealed the following: The seed bank density was higher in the upper soil depths (0 to 5 and 5 to 10 cm) as compared to the lower ones (10 to 15 cm). It was found that the seed density had decreased with increasing depth. The live seed...
June 2011
Relation between catalase activity, salt stress and urban environments in Citrus aurantium L.
In order to evaluate the degree of adaptation of urban Citrus aurantium L. trees to osmotic stress and to explore the effect of seed’s origin on stress tolerance/adaptation, catalase activity levels were measured. Before carrying out the analysis, seedlings issued from high and low plant mother’s vitality were grown on NaCl stressed media during 2 months. Catalase activities revealed different...
June 2011
Screening of certain varieties of Emblica officinalis Gaertn. for resistance to insect pests and diseases in central India
Ten varieties of Emblica officinalis Gaertn. including Kanchan, Chakaiya, Francis, NA-7 (Narendra-7), NA-10 (Narendra 10), Anand-1, Anand-2, Krishna, Hatizola (Local) and Local- wild were screened against insect pests that is, gall forming insect (Betousa stylophora Swinhoe), leaf roller (Garcillaria acidula Forster), bark eating caterpillar (Indarbela quadrinotata Walker) and diseases...
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