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As Brachiaria hybrid cv. ‘Mulato’ has adapted to acid soils with extremely low phosphorus (P) contents, its low-P-tolerance mechanisms were investigated and compared with those of wheat (Triticum aestivum L.) and rice (Oryza sativa L. cv. ‘Kitaake’). Among the three plant species, the highest P-u...


Begum, Hasna HenaOsaki, MitsuruNanamori, MasahitoWatanabe, ToshihiroShinano, TakuroRao, Idupulapati M.[Role of phosphoenolpyruvate carboxylase in the adaptation of a tropical forage grass to low-phosphorus acid soils]Role of phosphoenolpyruvate carboxylase in the adaptation of a tropical forage grass to low-phosphorus acid soils

Many tropical forage grasses and legumes grow well in acid soils, adapting to excess aluminum (Al) and phosphorus (P) starvation stresses by using mechanisms that are still unclear. To determine these mechanisms, responses to Al toxicity and P starvation in three tropical forages were studied: tw...


Watanabe, ToshihiroOsaki, MitsuruYano, HiromiRao, Idupulapati M.[Internal mechanisms of plant adaptation to aluminum toxicity and phosphorus starvation in three tropical forages]Internal mechanisms of plant adaptation to aluminum toxicity and phosphorus starvation in three tropical forages
Wenzl, PeterChávez, Alba L.Rao, Idupulapati M.Mayer, Jorge EdgardNair, Muraleedharan G.[Roots of nutrient-deprived Brachiaria species accumulate 1,3-di-O-trans-feruloylquinic acid]Roots of nutrient-deprived Brachiaria species accumulate 1,3-di-O-trans-feruloylquinic acid

Somaclonal variation offers the possibility to obtain changes in one or a few characters of an otherwise outstanding cultivar without altering the remaining, and often unique, part of the genotype. It has been shown to be heritable for some species. A check line of Stylosanthes guianensis (Aubl.)...


Rao, Idupulapati M.Roca, William M.Ayarza, Miguel AngelTabares, EGarcía, R.[Somaclonal variation in plant adaptation to acid soil in the tropical forage legume Stylosanthes guianensis]Somaclonal variation in plant adaptation to acid soil in the tropical forage legume Stylosanthes guianensis

Presents results of a study conducted to estimate the effects of heterosis and breed on a series of maternal and individual traits; takes Boran X Ankole and Boran X Zebu as crossbred cows and Ankole, Boran and Small East African Zebu as straightbred cows; includes traits like calf crop born, prew...


Gregory, K.E.Trail, J.C.M.Marples, H.J.S.Kakonge, J.[Heterosis and breed effects on maternal and individual traits of Bos indicus breeds of cattle]Heterosis and breed effects on maternal and individual traits of Bos indicus breeds of cattle

Compares individual as well as maternal traits of different breeds of Bos indicus and Bos taurus cattle interms of cow weight at parturition, weaning and at dif. stages after parturition, calf crop, viability and weight at dif. ages.


Gregory, K.E.Trail, J.C.M.Marples, H.J.S.Kakonge, J.[Characterization of breeds of Bos indicus and Bos taurus cattle for maternal and individual traits]Characterization of breeds of Bos indicus and Bos taurus cattle for maternal and individual traits

Heartwater, a tick-borne disease of domestic and wild ruminants, is caused by the intracellular rickettsia Ehrlichia ruminantium (previously known as Cowdria ruminantium). It is a major constraint to livestock production throughout subSaharan Africa, and it threatens to invade the Americas, yet t...


Collins, N.E.Liebenberg, J.Villiers, Etienne P. deBrayton, K.A.Louw, E.Pretorius, A.Faber, F.E.Heerden, H. vanJosemans, A.Kleef, M. vanSteyn, H.C.Strijp, M.F. vanZweygarth, E.Jongejan, F.Maillard, J.C.Berthier, D.Botha, M.Joubert, F.Corton, C.H.Thomson, N.R.Allsopp, M.T.Allsopp, B.A.[The genome of the heartwater agent Ehrlichia ruminantium contains multiple tandem repeats of actively variable copy number]The genome of the heartwater agent Ehrlichia ruminantium contains multiple tandem repeats of actively variable copy number

The Nationally Determined Contributions (NDCs) submitted under the Paris Agreement propose a country’s contribution to global mitigation efforts and domestic adaptation initiatives. This paper provides a systematic analysis of NDCs submitted by South Asian nations, in order to assess how far thei...


Amjath-Babu, T.S.Aggarwal, Pramod K.Vermeulen, Sonja J.[Climate action for food security in South Asia? Analyzing the role of agriculture in nationally determined contributions to the Paris agreement]Climate action for food security in South Asia? Analyzing the role of agriculture in nationally determined contributions to the Paris agreement

To meet the challenges of poverty and environmental sustainability, a different kind of research will be needed. This research will need to embrace the complexity of these systems by redirecting the objectives of research toward enhancing adaptive capacity, by incorporating more participatory app...


Sayer, Jeffrey A.Campbell, Bruce M.[Research to integrate productivity enhancement, environmental protection, and human development]Research to integrate productivity enhancement, environmental protection, and human development

This paper examines the relationship between local institutions and adaptation to climate variability in four semi-arid villages in India. Based on a qualitative survey, it draws attention to the constraints that farming households face, the role of institutions, and the implications for their ca...


Banerjee, Rupsha R.Kamanda JBantilan, MCSSingh, Naveen P.[Exploring the relationship between local institutions in SAT India and adaptation to climate variability]Exploring the relationship between local institutions in SAT India and adaptation to climate variability

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