Root distribution patterns of white yam (Dioscorea rotundata Poir.): a field study

References

• Ahmadi , S. H. , Plauborg , F. , Andersen , M. N. , Sepaskhah , A. R. , Jensen , C. R. and Hansen , S. 2011 . Effects of irrigation strategies and soils on field grown potatoes: Root distribution . Agricultural Water Management , 98 : 1280 – 1290 .
   Web of Science ®Google Scholar
• Asadu , C. L. A. , Akamigbo , F. O. R. , Nweke , F. I. and Ezumah , H. 1996 . Evaluation of six cultivars of white yam (Dioscorea rotundata) across three yam-growing areas in southeastern Nigeria . Journal of Agricultural Science, Cambridge , 127 : 463 – 468 .
   Web of Science ®Google Scholar
• Asiedu , R. and Sartie , A. 2010 . Crops that feed the world. 1. Yams for income and food security . Food Security , 2 : 305 – 315 .
   Web of Science ®Google Scholar
• Charles-Dominique , T. , Mangenet , T. , Rey , H. , Jourdan , C. and Edelin , C. 2009 . Architectural analysis of root system of sexually vs. vegetatively propagated yam (Dioscorea rotundata Poir.), a tuber monocot . Plant and Soil , 317 : 61 – 77 .
   Web of Science ®Google Scholar
• Clark , P. J. and Evans , F. C. 1954 . Distance to nearest neighbor as a measure of spatial relationships in populations . Ecology , 35 : 445 – 453 .
   Web of Science ®Google Scholar
• Degras , L. 1993 . The yam: A tropical root crop , London : MacMillan Press .
   Google Scholar
• Diby , L. N. 2005 . Etude de l’élaboration du rendement chez deux espèces d'igname (Dioscorea spp.) . Thèse Unique de Doctorat. UFR des sciences de la terre et des ressources minières. Université de Cocody – Abidjan, Côte d'Ivoire . 155 p.
   Google Scholar
• Diby , L. N. G. , Tié , B. T. , Girardin , O. , Sangakkara , R. , & Frossard , E. 2011 . Growth and nutrient use efficiencies of yam (Dioscorea spp.) grown in two contrasting soils of West Africa . International Journal of Agronomy , Article ID 175958 , doi: 1155/2011/175958 .
   Google Scholar
• Ettien , J. B. & Tschannen , A. 2003 . Evaluation de nouvelles variétés d'igname en Côte d'Ivoire. Bilan de trois ans d'expérience avec des génotypes améliorés par l'IITA . In J. Y. Jamin , B. L. Seiny , and C. Floret , Actes du colloque Savanes africaines: des espaces en mutation, des acteurs face à de nouveaux défis , mai 2002, Garoua, Cameroun. Prasac, N'Djamena, Tchad – Cirad, Montpellier, France .
   Google Scholar
• FAO 2011 . Statistical databases . Available at: http://faostat.fao.org/ (Accessed 22 August 2011) .
   Google Scholar
• Forde , B. G. 2002 . Local and long-range signaling pathways regulating plant responses to nitrate . Annual Review of Plant Biology , 53 : 203 – 224 .
   PubMed Web of Science ®Google Scholar
• Hgaza , V. K. , Diby , L. N. , Assa , A. and Aké , S. 2010 . How fertilization affects yam (Dioscorea alata L.) growth and tuber yield across the years . African Journal of Plant Science , 4 : 53 – 60 .
   Google Scholar
• Hgaza , V. K. , Diby , L. N. , Tié , T. B. , Tschannen , A. , Aké , S. , Assa , A. and Frossard , E. 2011 . Growth and distribution of roots of Dioscorea alata L. do not respond to mineral fertilizer application . Open Plant Science Journal , 5 : 14 – 22 .
   Google Scholar
• Himmelbauer , M. L. , Loiskandl , W. and Kastanek , F. 2004 . Estimating length, average diameter and surface area of roots using two different image analyses systems . Plant and Soil , 260 : 111 – 120 .
   Web of Science ®Google Scholar
• Law-Ogbomo , L. E. and Remison , S. U. 2008 . Growth and yield of white guinea yam (Dioscorea rotundata Poir.) influenced by NPK fertilization on a forest site in Nigeria . Journal of Tropical Agriculture , 46 : 21 – 24 .
   Google Scholar
• Lebot , V. 2009 . Tropical root and tuber crops , Wallingford : CABI Publishing .
   Google Scholar
• Logsdon , S. D. and Allmaras , R. R. 1991 . Maize and soybean root clustering as indicated by root mapping . Plant and Soil , 131 : 169 – 176 .
   Web of Science ®Google Scholar
• Lose , S. J. , Hilger , T. H. , Leihner , D. E. and Kroschel , J. 2003 . Cassava, maize and tree root development as affected various agroforestery and cropping systems in Benin, West Africa . Agriculture, Ecosystems and Environment , 100 : 137 – 151 .
   Web of Science ®Google Scholar
• Lynch , J. P. 2007 . Roots of the second green revolution . Australian Journal of Botany , 55 : 493 – 512 .
   Web of Science ®Google Scholar
• Melteras , M. , Lebot , V. , Asher , C. J. and O'sullivan , J. N. 2008 . Crop development and root distribution in lesser yam (Dioscorea esculenta): Implications for fertilization . Experimental Agriculture , 44 : 209 – 221 .
   Web of Science ®Google Scholar
• Njoku , E. , Nwoke , F. I. O. , Okonkwo , S. N. C. and Oyolu , C. 1984 . Pattern of growth and development in Dioscorea rotundata Poir . Tropical Agriculture (Trinidad) , 61 : 17 – 19 .
   Web of Science ®Google Scholar
• O'Sullivan , J. N. 2008 . Root distribution of yam (Dioscorea alata) determined by strontium tracer . Experimental Agriculture , 44 : 223 – 233 .
   Web of Science ®Google Scholar
• O'Sullivan , J. N. and Ernest , J. 2008 . Yam nutrition and soil fertility management in the Pacific , Brisbane : Australian Centre for International Agricultural Research .
   Google Scholar
• Pagès , L. and Pellerin , S. 1996 . Study of differences between vertical root maps observed in maize crop and stimulated maps obtained using a model for the three-dimensional architecture of the root system . Plant and Soil , 182 : 329 – 337 .
   Web of Science ®Google Scholar
• Paillard , S. , Treyer , S. , & Dorin , B. 2011 . Agrimonde: Scenarios and challenges for feeding the world in 2050 . Versailles : Ed. Quae .
   Google Scholar
• Pardales , J. R. , Banoc , M. D. , Yamauchi , A. , Lijima , M. and Kono , Y. 1999 . Root system development of cassava and sweet potato during early growth stage as affected by high root zone temperature . Plant Production Science , 2 : 247 – 251 .
   Google Scholar
• Pellerin , S. and Pagès , L. 1996 . Evaluation in field conditions of a three-dimensional architecture model of the maize root system: comparison of stimulated and observed horizontal root maps . Plant and Soil , 178 : 101 – 112 .
   Web of Science ®Google Scholar
• Qin , R. , Stamp , P. and Richner , W. 2006 . Impact of tillage on maize rooting in a Cambisol and Luvisol in Switzerland . Soil and Tillage Research , 85 : 50 – 61 .
   Web of Science ®Google Scholar
• Smucker , A. J. M. , Srivastava , A. K. and McBurney , S. L. 1982 . Quantitative separation of roots from compacted soil profiles by the hydropneumatic elutriation system . Agronomy Journal , 74 : 500 – 503 .
   Web of Science ®Google Scholar
• Sotomayor-Ramirez , D. , Gonzales-Vélez , A. and Roman-Paoli , E. 2003 . Yam (Dioscorea spp.) response to fertilization in soils of semiarid southern coast of Puerto Rico . Journal of Agriculture of University of Puerto Rico , 87 : 91 – 103 .
   Web of Science ®Google Scholar
• Srivastava , A. , Dagbenonbakin , G. D. and Gaiser , T. 2010 . Effect of fertilization on yam (Dioscorea rotundata) biomass production . Journal of Plant Nutrition , 33 : 1056 – 1065 .
   Web of Science ®Google Scholar
• van Noordwijk , M. and Brouwer , G. 1991 . “ Review of quantitative root length data in agriculture ” . In Plant roots and their environment , Edited by: McMichael , B. L. and Persson , H. 402 – 409 . Amsterdam : Elsevier .
   Google Scholar
• Vos , J. and Groenwold , J. 1986 . Root growth of potato crops on a marine-clay soil . Plant and Soil , 94 : 17 – 33 .
   Web of Science ®Google Scholar
• Vos , J. and Groenwold , J. 1987 . “ The relation between root growth along observation tubes and in bulk soil ” . In Minirhizotron observation tubes: Methods and applications for measuring rhizosphere dynamics , Edited by: Taylor , H. M. 39 – 49 . Madison , WI : ASA .
   Google Scholar