Browsing by Author "Obala, Jimmy"
Now showing items 1-12 of 12
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Characterization and mapping of Dt1 locus which co‑segregates with CcTFL1 for growth habit in pigeonpea
Saxena, Rachit K; Obala, Jimmy; Sinjushin, Andrey; Kumar, C.V. Sameer; Saxena, K.B.; Varshney, Rajeev K. (Theor Appl Genet, 2017)Pigeonpea (Cajanus cajan) is one of the most important legume crops grown in arid and semi-arid regions of the world. It is characterized with few unique features compared with other legume species, such as Lotus, ... -
Development of sequence-based markers for seed protein content in pigeonpea
Obala, Jimmy; Saxena, Rachit K.; Singh, Vikas K.; Kumar, C. V. Sameer; Saxena, K. B.; Tongoona, Pangirayi; Sibiya, Julia; Varshney, Rajeev K. (Molecular Genetics and Genomics, 2019)Pigeonpea is an important source of dietary protein to over a billion people globally, but genetic enhancement of seed protein content (SPC) in the crop has received limited attention for a long time. Use of genomics-assisted ... -
Effect of improved seed system on potato yields in Uganda
Kigambo, M; Wasswa, P; Obala, Jimmy; Mugisha, J (RUFORUM Working Document Series, 2018)Potato seed quality is an important determinant of crop performance, final yield and quality. The quality of seed used by farmers depend on the existing seed system. In Uganda, since the formal sector has limited capacity ... -
Effect of potato-bean intercrop arrangement, plant spacing and fertiliser usage on plant growth and tuber yield in different environments
Nakibuule, J; Obala, Jimmy; Kigambo, M; Kajunju, N.H.B; Mugisha, J (Makerere University Journal of Agricultural and Environmental Sciences, 2022)In Uganda, potato (Solanum tuberosum. L) is an important cash and food crop but its productivity has stagnated at around 3.5 t ha-1, far below potential (20 t ha-1), mainly due to soil exhaustion resulting from land ... -
Genetic variation and relationships of total seed protein content with some agronomic traits in pigeonpea (Cajanus cajan (L.) Millsp.)
Obala, Jimmy; Saxena, Rachit K.; Singh, Vikas K.; Vechalapu, Suryanarayana; Das, Roma; Rathore, Abhishek; Sameer-Kumar, Chanda V; Saxena, Kulbhushan; Tongoona, Pangirayi; Sibiya, Julia; Varshney, Rajeev K. (Australian Journal of Crop Science, 2018)Seed protein content (SPC) is an important grain quality trait, which impacts the nutritional importance of pigeonpea seed in the diet of over a billion people globally. The present study was carried out to determine ... -
Genomics-assisted breeding for boosting crop improvement in pigeonpea (Cajanus cajan)
Pazhamala, Lekha; Saxena, Rachit K.; Singh, Vikas K.; Sameerkumar, C. V.; Kumar, Vinay; Sinha, Pallavi; Patel, Kishan; Obala, Jimmy; Kaoneka, Seleman R.; Tongoona, P.; Shimelis, Hussein A.; Gangarao, N. V. P. R.; Odeny, Damaris; Rathore, Abhishek; Dharmaraj, P. S.; Yamini, K. N.; Varshney, Rajeev K. (Frontiers in plant science, 2015)Pigeonpea is an important pulse crop grown predominantly in the tropical and sub-tropical regions of the world. Although pigeonpea growing area has considerably increased, yield has remained stagnant for the last six ... -
Improvement of resistance to Fusarium root rot through gene pyramiding and validation of SSR PVBR87 marker in common bean
Obala, Jimmy (Makerere University, 2011)Fusarium root rot caused by Fusarium solani f. sp. phaseoli is among the most serious diseases of the common bean in Uganda causing total crop loss in susceptible cultivars. Studies have indicated that 2-9 genes located ... -
Molecular mapping of seed protein content in pigeonpea – a drought tolerant crop of the semi-arid tropics
Obala, Jimmy; Saxena, R.K.; Singh, V.K; Kale, S.M.; Garg, V.; Kumar, V.; Sameer Kumar, C.V; Tongoona, P; Sibiya, J.; Saxena, K.B (: InterDrought, 2017)Pigeonpea is a uniquely drought and heat tolerant crop that provides a major source of dietary protein to nearly a billion people in the tropical and semi-arid tropics of the world. Despite its importance as a source of ... -
Pyramiding Fusarium root rot resistance genes and validation of SSR PVBR87 in common bean
Obala, Jimmy; Rubaihayo, P.R; Mukankusi, C; Gibson, P (RUFORUM, 2010)This study determined effectiveness of pyramided Fusarium root rot (FRR) resistance genes and validated association of SSR PVBR87 marker with FRR resistance in common bean. A double cross (DC) involving four resistance ... -
QTL-seq for the identification of candidate genes for days to flowering and leaf shape in pigeonpea
Singh, Vikas; Sinha, Pallavi; Obala, Jimmy; Khan, Aamir W.; Chitikinen, Annapurna; Saxena, Rachit K.; Varshney, Rajeev K. (Heredity, 2022)To identify genomic segments associated with days to flowering (DF) and leaf shape in pigeonpea, QTL-seq approach has been used in the present study. Genome-wide SNP profiling of extreme phenotypic bulks was conducted for ... -
Seed protein content and its relationships with agronomic traits in pigeonpea is controlled by both main and epistatic efects QTLs
Obala, Jimmy; Saxena, Rachit K.; Singh, Vikas K.; Kale, Sandip M.; Garg, Vanika; Kumar, C.V. Sameer; Saxena, K. B.; Tongoona, Pangirayi; Sibiya, Julia; Varshney, Rajeev K. (Scientific Reports, 2020)The genetic architecture of seed protein content (SPC) and its relationships to agronomic traits in pigeonpea is poorly understood. Accordingly, fve F2 populations segregating for SPC and four agronomic traits (seed ... -
Study of inheritance and identification of molecular markers for seed protein content in pigeonpea (Cajanus cajan (L.) Millsp.)
Obala, Jimmy (University of KwaZulu-Natal, Pietermaritzburg, Republic of South Africa, 2017)Pigeonpea is an important source of protein to the vegetarian and poor families around the globe, however, very little is known about the genetic control of seed protein content (SPC) and how it relates with other ...