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Combining ability for beta-carotene and important quantitative traits in a cassava F1 population

Njenga, Peninah; Edema, Richard; Kamau, Joseph (Academic Journals, 2014)

Cassava is ideal for biofortification due to its popularity as a root staple among populations with high vitamin A malnutrition. The crop is vegetatively propagated and retains the enhanced trait across generations. The ...

Variability of grain-filling traits in early maturing CIMMYT tropical maize inbred lines

Gasura, Edmore; Setimela, Peter S.; Tarekegne, Amsal; Icishahayo, David; Edema, Richard; Gibson, Paul T.; Okori, Patrick (Crop Science Society of America, 2014)

Grain-filling rate (GFR), effective grain-filling duration (EGFD), and total grain-filling duration (TGFD) are important physiological traits of maize (Zea mays L.) grain yield (GY) formation. To devise effective breeding ...

Morphological and genetic diversity analysis of rice accessions (Oryza sativa L.) differing in iron toxicity tolerance

Onaga, Geoffrey; Egdane, James; Edema, Richard; Abdelbagi, Ismail (Korean Society of Crop Science and Springer, 2013)

A major emphasis in breeding for iron toxicity tolerance in rice is to identify differences that are associated with resistance and harness them for genetic improvement. In this study, thirty accessions, including IRRI ...

Reaction of waxy and opaque-2 inbreds and their derived progenies to multiple foliar diseases of maize in Uganda

Bombom, Alexander; Okori, Patrick; Gibson, Paul; Edema, Richard; Asea, Godfrey; Rubaihayo, Patrick (Canadian Center of Science and Education, 2012)

Specialty maize lines possessing important endosperm genes waxy and/or opaque-2 enhance processing and nutritional qualities of the grain. However, production and utilization of specialty maize varieties for food, feeds ...

Exploiting grain-filling rate and effective grain-filling duration to improve grain yield of early-maturing maize

Gasura, Edmore; Setimela, Peter; Edema, Richard; Gibson, Paul T.; Okori, Patrick; Tarekegne, Amsal (Crop Science Society of America, 2013)

Early-maturing maize (Zea mays L.) genotypes yield 15 to 30% less than late-maturing genotypes. One strategy for improving grain yield in the early-maturing group involves assessment of grain-filling traits as secondary ...

Population diversity of rice bacterial leaf blight isolates in Uganda

Habarurema, Innocent; Edema, Richard; Gibson, Paul; Lamo, Jimmy; Asea, Godfrey; Séré, Yacouba; Gasore, Elie R. (Pelagia Research Library, 2013)

The deployment of resistant cultivars is the best option to control bacterial leaf blight (BLB) and requires an understanding of the pathogen diversity. BLB caused by Xanthomonas oryzae pv.oryzae is a destructive disease ...