Research Team Leader - Seed systems, International Nurseries and seed Health
Zewdie Bishaw
Dr. Zewdie Bishaw is a Seed Systems Specialist and agronomist with over 35 years of experience research for development in developing countries. He serves as Head of ICARDA’s Seed Unit, focusing on integrated and sustainable seed system...
Effect of temperature on the expression of resistance to Hessian fly (Diptera: Cecidomyiidae) in durum wheat cultivars
Hessian fly, Mayetiola destructor (Say) is a destructive insect pest occurring in many wheat growing areas of the world. The most effective management option for controlling Hessian fly is the use of resistant wheat cultivars carrying specific...
Effect of olive tree leaves and twigs on intake, digestibility, growth performance and blood variables of Shami goats
The effect of replacing wheat straw and a portion of commercial concentrate with olive twigs and leaves treated with urea and molasses on nutrient digestibility, growth performance and blood variables was determined. Forty‐two Shami goat kids...
Prospects for stakeholder cooperation in effective implementation of enhanced rangeland restoration techniques in southern Tunisia
The objective of this paper is to identify prospects for stakeholder cooperation for effective implementation of enhanced rangeland restoration techniques under different land tenure status in Tataouine Governorate of southern Tunisia, through...
Two years old peach trees intercropped with a grass mixture can grow through a lithic discontinuity to access water the grass cannot
The hypothesis of niche complementarity for the use of soil resources is crucial for the performance of agroforestry systems. Our aim was to test the hypothesis that roots of 2 years old peach trees intercropped with grass can extract deep soil...
Epidemiological investigation of Crimean-Congo haemorrhagic fever virus infection among the one-humped camels (Camelus dromedarius) in southern Tunisia
Crimean-Congo haemorrhagic fever is a viral tick-borne zoonotic disease caused by a Nairovirus, Crimean-Congo haemorrhagic fever virus (CCHFV). The present survey aimed to determine the exposure of one-humped camels (Camelus dromedarius) from...
Comparative study of the hydraulic, energy and agronomic performances of conventional and low pressure drip irrigation on citrus
In countries facing water scarcity, drip irrigation can raise crop productivity and save water compared to flood irrigation. In spite of its benefit, the adoption of drip irrigation is still low mainly due to the high cost of investment and the...