October 2012

Population structure of an arborescent aloe (Aloe marlothii) in Botswana

Aloe marlothii A. Berger (Asphodelaceae) (ALMA), an arborescent CAM succulent, were measured in two populations of historical significance near Molepolole, Botswana with the objective of determining size class distribution and therefore assess future population viability. It was found that plant height and a variety of other plant attributes were strongly correlated, including being reproductive and number of...

Author(s): Jonathan H. Titus, Priscilla J. Titus, Melinda Laituri and Bongani Sethebe

October 2012

Distribution, incidence, severity and effect of the rust (Puccinia abrupta var. partheniicola) on Parthenium hysterophorus L. in Western Hararghe Zone, Ethiopia

Parthenium is an exotic invasive weed that originated in South America, and has formed severe infestations in Ethiopia. This weed is known to be host to various micro-organisms such as the rust pathogen Puccinia abrupta var. partheniicola that may be used as a component of integrated parthenium weed management. Field surveys were conducted in 2008 and 2009 cropping seasons in eastern Ethiopia to...

Author(s): Zelalem Bekeko, Temam Hussien and Taye Tessema        

October 2012

Qualitative traits diversity and eco-geographical distribution in finger millet (Eleusine coracanaGURE subsp. Coracana) landraces from eastern and south eastern Africa: An implication for germplasm collection and conservation

One hundred and forty four finger millet landraces collected from different regions of Ethiopia and some introduced from Kenya, Eritrea, Zambia and Zimbabwe were planted with six improved varieties in randomized complete block design at...

Author(s): Dagnachew Lule, Kassahun Tesfaye and Masresha Fetene