Journal articles 2013
Documents
Genetic Diversity of Cassava (Manihot esculenta Crantz) landraces and cultivars from Southern, Eastern and Central Africa
Kawuki RS, Herselman L, Labuschagne MT, Nzuki I, Ralimanana I, Bidiaka M, Kanyange MC, Gashaka G, Masumba E, Mkamilo G, Gethi J, Wanjala B, Zacarias A, Madabula F and Ferguson ME (2013). Genetic Diversity of Cassava (Manihot esculenta Crantz) landraces and cultivars from Southern, Eastern and Central Africa. Plant Genetic Resources FirstView Article CJO2013, pp 1–12. Published online: 12 February 2013. (DOI: 10.1017/S1479262113000014). Not open access: view abstract
Kawuki RS, Herselman L, Labuschagne MT, Nzuki I, Ralimanana I, Bidiaka M, Kanyange MC, Gashaka G, Masumba E, Mkamilo G, Gethi J, Wanjala B, Zacarias A, Madabula F and Ferguson ME (2013). Genetic Diversity of Cassava (Manihot esculenta Crantz) landraces and cultivars from Southern, Eastern and Central Africa. Plant Genetic Resources FirstView Article CJO2013, pp 1–12. Published online: 12 February 2013. (DOI: 10.1017/S1479262113000014). Not open access: view abstract
Phenotyping bananas for drought resistance
Ravi I, Uma S, Vaganan MM, Mustaffa MM (2013). Phenotyping bananas for drought resistance. Frontiers in Plant Physiology 4:9. (DOI: 10.3389/fphys.2013.00009).
Drought has emerged as one of the major constraints in banana production. Its effects are pronounced substantially in the tropics and sub-tropics of the world due to climate change. Bananas are quite sensitive to drought; however, genotypes with “B” genome are more tolerant to abiotic stresses than those solely based on “A” genome. In particular, bananas with “ABB” genomes are more tolerant to drought and other abiotic stresses than other genotypes. A good phenotyping plan is a prerequisite for any improvement program for targeted traits. In the present article, known drought tolerant traits of other crop plants are validated in bananas with different genomic backgrounds and presented. Since, banana is recalcitrant to breeding, strategies for making hybrids between different genomic backgrounds are also discussed. Stomatal conductance, cell membrane stability (CMS), leaf emergence rate, rate of leaf senescence, RWC, and bunch yield under soil moisture deficit stress are some of the traits associated with drought tolerance. Among these stress bunch yield under drought should be given top priority for phenotyping. In the light of recently released Musa genome draft sequence, the molecular breeders may have interest in developing molecular markers for drought resistance.
Ravi I, Uma S, Vaganan MM, Mustaffa MM (2013). Phenotyping bananas for drought resistance. Frontiers in Plant Physiology 4:9. (DOI: 10.3389/fphys.2013.00009).
Drought has emerged as one of the major constraints in banana production. Its effects are pronounced substantially in the tropics and sub-tropics of the world due to climate change. Bananas are quite sensitive to drought; however, genotypes with “B” genome are more tolerant to abiotic stresses than those solely based on “A” genome. In particular, bananas with “ABB” genomes are more tolerant to drought and other abiotic stresses than other genotypes. A good phenotyping plan is a prerequisite for any improvement program for targeted traits. In the present article, known drought tolerant traits of other crop plants are validated in bananas with different genomic backgrounds and presented. Since, banana is recalcitrant to breeding, strategies for making hybrids between different genomic backgrounds are also discussed. Stomatal conductance, cell membrane stability (CMS), leaf emergence rate, rate of leaf senescence, RWC, and bunch yield under soil moisture deficit stress are some of the traits associated with drought tolerance. Among these stress bunch yield under drought should be given top priority for phenotyping. In the light of recently released Musa genome draft sequence, the molecular breeders may have interest in developing molecular markers for drought resistance.
Massive sorghum collection genotyped with SSR markers to enhance use of global genetic resources
Billot C, Ramu P, Bouchet S, Chantereau J, Deu M, Gardes L, Noyer J-L, Rami J-F, Rivallan R, Li Y, Lu P, Wang T, Folkertsma RT, Arnaud E, Upadhyaya HD, Glaszmann J-C, Hash CT (2013). Massive sorghum collection genotyped with SSR markers to enhance use of global genetic resources. PLoS One 8(4): e59714. (DOI: 10.1371/journal.pone.0059714). (G4005.01.03/ G4007.01).
Large ex situ collections require approaches for sampling manageable amounts of germplasm for in-depth characterization and use. We present here a large diversity survey in sorghum with 3367 accessions and 41 reference nuclear SSR markers. Of 19 alleles on average per locus, the largest numbers of alleles were concentrated in central and eastern Africa. Cultivated sorghum appeared structured according to geographic regions and race within region. A total of 13 groups of variable size were distinguished. The peripheral groups in western Africa, southern Africa and eastern Asia were the most homogeneous and clearly differentiated.
Billot C, Ramu P, Bouchet S, Chantereau J, Deu M, Gardes L, Noyer J-L, Rami J-F, Rivallan R, Li Y, Lu P, Wang T, Folkertsma RT, Arnaud E, Upadhyaya HD, Glaszmann J-C, Hash CT (2013). Massive sorghum collection genotyped with SSR markers to enhance use of global genetic resources. PLoS One 8(4): e59714. (DOI: 10.1371/journal.pone.0059714). (G4005.01.03/ G4007.01).
Large ex situ collections require approaches for sampling manageable amounts of germplasm for in-depth characterization and use. We present here a large diversity survey in sorghum with 3367 accessions and 41 reference nuclear SSR markers. Of 19 alleles on average per locus, the largest numbers of alleles were concentrated in central and eastern Africa. Cultivated sorghum appeared structured according to geographic regions and race within region. A total of 13 groups of variable size were distinguished. The peripheral groups in western Africa, southern Africa and eastern Asia were the most homogeneous and clearly differentiated.
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Restriction of transpiration rate under high vapour pressure deficit and non-limiting water conditions is important for terminal drought tolerance in cowpea
Belko N, Zaman-Allah M, Diop NN, Cisse N, Zombre G, Ehlers JD and Vadez V (2013). Restriction of transpiration rate under high vapour pressure deficit and non-limiting water conditions is important for terminal drought tolerance in cowpea. Plant Biology 15(2):304–316. (DOI:10.1111/j.1438-8677.2012.00642.x) Also published online in 2012. Not open access: view abstract
Belko N, Zaman-Allah M, Diop NN, Cisse N, Zombre G, Ehlers JD and Vadez V (2013). Restriction of transpiration rate under high vapour pressure deficit and non-limiting water conditions is important for terminal drought tolerance in cowpea. Plant Biology 15(2):304–316. (DOI:10.1111/j.1438-8677.2012.00642.x) Also published online in 2012. Not open access: view abstract
Aluminium tolerance in maize is associated with higher MATE1 gene copy number
Maron LG, Guimarães CT, Kirst M, Albert PS, Birchler JA, Bradbury P, Buckler ES, Coluccio AE, Danilova TV, Kudrna D, Magalhães JV, Piñeros MA, Schatz MC, Wing RA, Kochian LV (2013). Aluminium tolerance in maize is associated with higher MATE1 gene copy number. PNAS, published online March 11, 2013. (DOI: 10.1073/pnas.1220766110). Not open access: view abstract
Maron LG, Guimarães CT, Kirst M, Albert PS, Birchler JA, Bradbury P, Buckler ES, Coluccio AE, Danilova TV, Kudrna D, Magalhães JV, Piñeros MA, Schatz MC, Wing RA, Kochian LV (2013). Aluminium tolerance in maize is associated with higher MATE1 gene copy number. PNAS, published online March 11, 2013. (DOI: 10.1073/pnas.1220766110). Not open access: view abstract
Functional roles of the plasticity of root system development in biomass production and water uptake under rainfed lowland condition
Kano-Nakata M, Gowda VRP, Henry A, Serraj R, Inukai Y, Fujita D, Kobayashi N, Suralta RR, and Yamauchi A (2013). Functional roles of the plasticity of root system development in biomass production and water uptake under rainfed lowland conditions. Field Crops Research 144:288–296. (DOI: 10.1016/j.fcr.2013.01.024). (G3008.06). Not open access: view abstract
Kano-Nakata M, Gowda VRP, Henry A, Serraj R, Inukai Y, Fujita D, Kobayashi N, Suralta RR, and Yamauchi A (2013). Functional roles of the plasticity of root system development in biomass production and water uptake under rainfed lowland conditions. Field Crops Research 144:288–296. (DOI: 10.1016/j.fcr.2013.01.024). (G3008.06). Not open access: view abstract
High-throughput 2D root system phenotyping platform facilitates genetic analysis of root growth and development
Clark RT, Famoso AN, Zhao K, Shaff JE, Craft JE, Bustamante CD, McCouch SR, Aneshansley DJ, Kochian LV. 2013. High-throughput 2D root system phenotyping platform facilitates genetic analysis of root growth and development. Plant Cell Environment 36(2):454–466. (DOI: 10.1111/j.1365-3040.2012.02587.x). Also published online in 2012. (G7010.03.01). Not open access: view abstract
Clark RT, Famoso AN, Zhao K, Shaff JE, Craft JE, Bustamante CD, McCouch SR, Aneshansley DJ, Kochian LV. 2013. High-throughput 2D root system phenotyping platform facilitates genetic analysis of root growth and development. Plant Cell Environment 36(2):454–466. (DOI: 10.1111/j.1365-3040.2012.02587.x). Also published online in 2012. (G7010.03.01). Not open access: view abstract
Performance of nine cassava (Manihot esculanta Crantz) clones across three environments
Peprah BB, Ofori K, Asante IK, Parkes E (2013). Performance of nine cassava (Manihot esculanta Crantz) clones across three environments. Journal of Plant Breeding and Crop Science 5(4):48–53. (DOI:10.5897/JPBCS12.027). (G7010.01.05).
The study was carried out to quantify the genotype × environment interaction (G × E) and to estimate the phenotypic stability by genotype genotype × environment (GGE) biplot of nine cassava clones comprising 5 hybrids, 3 parent checks and 1 improved variety. The study was planted across three different environments; Fumesua, Pokuase and Ejura representing forest, coastal savanna and forest transition zones, respectively. Genotype main effect was significant (P < 0.001) for fresh root yield and dry matter content, G × E interaction effect was significant (P < 0.001) for fresh root yield only and environment main effect was significant (P < 0.01) for only fresh root yield. The most stable clone for fresh root yield with above average performance was La02/026 (hybrid). The high genotype and low environment effects, and the relatively low interaction on dry matter content imply that evaluation and selection can be effectively done in fewer environments to select clones with high performance for the trait whiles fresh root yield requires multiple environments to identify clones with broad and specific adaptation.
Peprah BB, Ofori K, Asante IK, Parkes E (2013). Performance of nine cassava (Manihot esculanta Crantz) clones across three environments. Journal of Plant Breeding and Crop Science 5(4):48–53. (DOI:10.5897/JPBCS12.027). (G7010.01.05).
The study was carried out to quantify the genotype × environment interaction (G × E) and to estimate the phenotypic stability by genotype genotype × environment (GGE) biplot of nine cassava clones comprising 5 hybrids, 3 parent checks and 1 improved variety. The study was planted across three different environments; Fumesua, Pokuase and Ejura representing forest, coastal savanna and forest transition zones, respectively. Genotype main effect was significant (P < 0.001) for fresh root yield and dry matter content, G × E interaction effect was significant (P < 0.001) for fresh root yield only and environment main effect was significant (P < 0.01) for only fresh root yield. The most stable clone for fresh root yield with above average performance was La02/026 (hybrid). The high genotype and low environment effects, and the relatively low interaction on dry matter content imply that evaluation and selection can be effectively done in fewer environments to select clones with high performance for the trait whiles fresh root yield requires multiple environments to identify clones with broad and specific adaptation.
Study on identification and using of several high-quality foreign wheat varieties
Li X-R, Chai Y-F, Sun L-H, Zhao Z-Y, Shao X-S, Xi J-L and Zhang J-C (2013). Study on identification and using of several high-quality foreign wheat varieties. Journal of Shanxi Agricultural Sciences 41(4):307–310,316 (DOI: 10.3969/j.issn.1002-2481.2013.04.01). Article in Chinese with abstract in English. Not open access; view journal website. (G7010.02.01)
Li X-R, Chai Y-F, Sun L-H, Zhao Z-Y, Shao X-S, Xi J-L and Zhang J-C (2013). Study on identification and using of several high-quality foreign wheat varieties. Journal of Shanxi Agricultural Sciences 41(4):307–310,316 (DOI: 10.3969/j.issn.1002-2481.2013.04.01). Article in Chinese with abstract in English. Not open access; view journal website. (G7010.02.01)
Drought tolerance in wild plant populations: the case of common beans (Phaseolus vulgaris L.)
Cortés AJ, Monserrate FA, Ramírez-Villegas J, Madriñán S, Blair MW (2013). Drought tolerance in wild plant populations: the case of common beans (Phaseolus vulgaris L.). PLoS ONE 8(5):e62898. (DOI: 10.1371/journal.pone.0062898).
Drought is a major constraint to common bean (Phaseolus vulgaris L.) production, especially in developing countries where irrigation for the crop is infrequent. The Mesoamerican genepool is the most widely grown subdivision of common beans that include small red, small cream and black seeded varieties. The objective of this study was to develop a reliable genetic map for a Mesoamerican 9 Mesoamerican drought tolerant 9 susceptible cross and to use this map to analyze the inheritance of yield traits under drought and fully irrigated conditions over 3 years of experiments. The source of drought tolerance used in the crosswas the cream-seeded advanced line BAT477 crossed with the small red varietyDOR364 and the populationwas made up of recombinant inbred lines in the F5 generation. Quantitative trait loci were detected by composite intervalmapping for the traits of overall seed yield, yield per day, 100 seed weight, days to flowering and days to maturity for each field environment consisting of two treatments (irrigated and rainfed) and lattice design experiments with three repetitions for a total of six environments. The genetic map based on amplified fragment length polymorphism and random amplified polymorphic DNA markers was anchored with 60 simple sequence repeat (SSR) markers and had a total map length of 1,087.5 cM across 11 linkage groups covering the whole common bean genome with saturation of one marker every 5.9 cM. Gaps for the genetic map existed on linkage groups b03, b09 and b11 but overall there were only nine gaps larger than 15 cM. All traits were inherited quantitatively, with the greatest number for seedweight followed by yield per day, yield per se, days to flowering and days to maturity. The relevance of these results for breeding common beans is discussed in particular in the light of crop improvement for drought tolerance in the Mesoamerican genepool.
Cortés AJ, Monserrate FA, Ramírez-Villegas J, Madriñán S, Blair MW (2013). Drought tolerance in wild plant populations: the case of common beans (Phaseolus vulgaris L.). PLoS ONE 8(5):e62898. (DOI: 10.1371/journal.pone.0062898).
Drought is a major constraint to common bean (Phaseolus vulgaris L.) production, especially in developing countries where irrigation for the crop is infrequent. The Mesoamerican genepool is the most widely grown subdivision of common beans that include small red, small cream and black seeded varieties. The objective of this study was to develop a reliable genetic map for a Mesoamerican 9 Mesoamerican drought tolerant 9 susceptible cross and to use this map to analyze the inheritance of yield traits under drought and fully irrigated conditions over 3 years of experiments. The source of drought tolerance used in the crosswas the cream-seeded advanced line BAT477 crossed with the small red varietyDOR364 and the populationwas made up of recombinant inbred lines in the F5 generation. Quantitative trait loci were detected by composite intervalmapping for the traits of overall seed yield, yield per day, 100 seed weight, days to flowering and days to maturity for each field environment consisting of two treatments (irrigated and rainfed) and lattice design experiments with three repetitions for a total of six environments. The genetic map based on amplified fragment length polymorphism and random amplified polymorphic DNA markers was anchored with 60 simple sequence repeat (SSR) markers and had a total map length of 1,087.5 cM across 11 linkage groups covering the whole common bean genome with saturation of one marker every 5.9 cM. Gaps for the genetic map existed on linkage groups b03, b09 and b11 but overall there were only nine gaps larger than 15 cM. All traits were inherited quantitatively, with the greatest number for seedweight followed by yield per day, yield per se, days to flowering and days to maturity. The relevance of these results for breeding common beans is discussed in particular in the light of crop improvement for drought tolerance in the Mesoamerican genepool.
