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Assessing the representativeness and repeatability of testing sites for drought-tolerant maize in West Africa
Assessing the representativeness and repeatability of testing sites for drought-tolerant maize in West Africa. Can. J. Plant Sci. 93: 699–714. The selection of suitable breeding and testing sites is crucial to the success of a maize (Zea mays L.) improvement programme. Twelve early-maturing maize cultivars were evaluated for 3 yr at 16 locations in West Africa to determine the representativeness, discriminating ability, and repeatability of the testing sites and to identify core testing sites. -
Evaluation of Pearl Millet Varieties for Adaptation to the Semi- Arid Agro-Ecology of Northern Ghana
Field trials were conducted at the Manga Agricultural Research Station near Bawku in the Upper East Region to evaluate nine genotypes of Pearl millet [Pennisetum glaucum (L.) R. Br.] for adaptation to the Sudan Savanna agro-ecology of northern Ghana. The varieties are: Arrow, Bongo Short Head, Bristled millet. SOSAT-C88, Tongo Yellow, GB 8735, ICTP 8203, B9_Tabi and Manga Nara a local check (farmers’ variety). The experiment was established as a randomized complete block design with 4 replicates. All standard agronomic practices and data as recommended for Pearl millet production in Ghana were adhered to. -
Response of Onion (Allium Cepa L.) Cultivar ‘Bawku Red’ to Irrigation Frequencies in Northern Ghana
Low yield and poor quality of onions produced from the Sudan Savannah Agro-ecological Zone of Ghana among other factors attributed to lack of appropriate cultivars for cultivation, poor knowledge of plant spacing and storability. These factors have the potential of lowering income levels of farmers and wasting precious agriculture land. Field and storage experiments were conducted at Bawku in the Upper East Region of Ghana from 2015 to 2016 to investigate the response of cultivar and spacing on growth as well as yield and shelf-life of onions. -
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Seasonal nitrogen dynamics in lowland rice cropping systems in inland valleys of northern Ghana
Farmers in the inland valleys of northern Ghana are challenged with nitrogen (N) deficiency as a major production constraint of rainfed lowland rice (Oryza sativa L.). -
Combining Ability of Extra‐Early Maize Inbreds Derived from a Cross between Maize and Zea diploperennis and Hybrid Performance under Contrasting Environments
Knowledge of the genetic mechanisms conditioning drought tolerance in maize is crucial to the success of hybrid breeding programs aimed at developing high-yielding cultivars under drought. -
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