This issue of Caravan presents the facts about drought, including efforts to more accurately predict its occurrence and severity. Agroclimatologists, for example, are making use of satellite imagery and geographical information systems in their...
Caravan 16: Special Issue to Mark The International Year of Mountains
In this special issue to mark the International Year of Mountains: Rebuilding Afghanistan's agriculture - Future Harvest Consortium meets critical need for seed; Reclaiming ancient techniques - Terrace rehabilitation in Yemen and Peru, and...
First record of Beet western yellows virus, Chickpea chlorotic dwarf virus, Faba bean necrotic yellows virus and Soybean dwarf virus infecting chickpea and lentil crops in Iran
An intensive survey was conducted during May–June, 2001 to identify virus diseases affecting chickpea (Cicer arietinum) and lentil (Lens culinaris) crops in five provinces (Qazvin, Kermanshah, Kurdistan, East Azarbaijan and West Azarbaijan) of...
Segregation distortion in doubled haploid lines of barley (Hordeum vulgare L.) detected by simple sequence repeat (SSR) markers
A total of 147 simple sequence repeat (SSR) markers (including86 barley and 61 wheat microsatellite markers) were tested for their segregation in a doubled haploid (DH) and an F2 population of barley. The DH population consisted of 71 doubled...
Occurrence and Cytological Mechanism of 2n Pollen Formation in a Tetraploid Accession of Ipomoea batatas (Sweet Potato)
We evaluated a 4x accession of Ipomoea batatas (L.) Lam. and four 2x accessions of Ipomoea triloba for 2n pollen production. Approximately 90% of the genotypes of accession 81.2 (I. batatas, 4x) produced 2n pollen with different frequencies. In...
إيكاردا وسورية : خمسة وعشرون عاماً من التعاون والعطاء
استضافت حكومة الجمهورية العربية السورية المركز الدولي للبحوث الزراعية في المناطق الجافة والمعروف اختصاراً باسم إيكاردا منذ عام 1977 ليقوم بإجراء أبحاثه الهادفة لإيجاد أصناف جديدة وأساليب حديثة لإدارة الموارد الطبيعية ولتخرج نتائج هذه الأبحاث من...
Opuntias are multipurpose plants that are increasingly being used in agricultural systems in arid and semi-arid areas and are considered a key component for the productivity and sustainability of these regions. This publication presents current...
Comparison of European with West Asian and North African winter barleys in tolerance to boron toxicity
Three plastic-house experiments were conducted to compare the tolerance of European with West Asian and North African (WANA) winter barleys to boron (B) toxicity. Experiment I screened 24 winter barley entries with diverse origins. Experiment...
