Nodulation potential of four Trifolium repens cultivars under field conditions

References

• Abberton , M T , Michaelson-Yeates , T PT and Macduff , J H . 1998 . Characterization of novel inbred lines of white clover (Trifolium repens L). I. Dynamics of plant growth and nodule development in flowing solution culture . Euphytica , 103 : 35 – 43 .
   Google Scholar
• ARC (Agricultural Research Council) . 2009 . Agro-climatology database. Agricultural Research Council - Institute for Soil Climate and Water, Department of Agro-Climatology. R. Wentzel, [email protected], Stellenbosch
   Google Scholar
• Botha , PR. 2002 . Die gebruik van vogspanningmeters vir besproeiingskedulering by weidings , George : Suid Kaap Landbouontwikkelingsentrum, Departement Landbou Wes-Kaap .
   Google Scholar
• Botha , PR. 2003 . Die Produksiepotensiaal van Oorgesaaide Kikoejoeweiding in die Gematigde Kusgebied van die Suid-Kaap. PhD thesis, University of the Free State, South Africa
   Google Scholar
• Botha , P R , Gerber , H S and Meeske , R . 2009 . “ The production and nutritional value of annual winter growing grass and legume species ” . In Outeniqua Research Farm Information Day Proceedings , George : Department of Agriculture Western Cape .
   Google Scholar
• Caradus , J R , MacKay , A C , Woodfield , D R , Bosch , J and Wewala , S . 1989 . Classification of a world collection of white clover cultivars . Euphytica , 42 : 183 – 196 .
   Web of Science ®Google Scholar
• Caradus , J R and Woodfield , D R . 1998 . Genetic control of adaptive root characteristics in white clover . Plant and Soil , 200 : 63 – 69 .
   Web of Science ®Google Scholar
• Connolly , V , Masterson , C L and Coniffe , D . 1969 . Some genetic aspects of the symbiotic relationship between white clover . (Trifolium repens) and Rhizobium trifolii. Theoretical and Applied Genetics , 39 : 206 – 213 .
   Google Scholar
• Crush , JR. 1987 . “ Nitrogen fixation ” . In White clover , Edited by: Baker , M J and Williams , W M . 185 – 202 . Wallingford : CAB International .
   Google Scholar
• Gylfadottir , T , Helgadottir , A and Hogh-Jensen , H . 2007 . Consequences of including adapted white clover in northern European grassland: Transfer and deposition of nitrogen . Plant and Soil , 297 : 93 – 104 .
   Web of Science ®Google Scholar
• Harris , W. 1987 . “ Population dynamics and competition ” . In White clover , Edited by: Baker , M J and Wlliams , W M . 203 – 298 . Wallingford : CAB International .
   Google Scholar
• Hart , AL. 1987 . “ Physiology ” . In White clover , Edited by: Baker , M J and Wlliams , W M . 125 – 152 . Wallingford : CAB International .
   Google Scholar
• Keyser , H H , Somasegaran , P and Bohlool , B B . 1992 . “ Rhizobial ecology and technology ” . In Soil microbial ecology: applications in agricultural and environmental management. , Edited by: Metting , F B . 205 – 226 . New York : Marcel Dekker .
   Google Scholar
• Ledgard , S F , Sprosen , M S , Penno , J W and Rajendram , G S . 2001 . Nitrogen fixation by white clover in pastures grazed by dairy cows: temporal variation and effects of nitrogen fertilization . Plant and Soil , 229 : 177 – 187 .
   Web of Science ®Google Scholar
• Lira Junior , MdA , Lima , A ST , Arruda , J RF and Smith , D L . 2005 . Effect of root temperature on nodule development of bean, lentil and pea . Soil Biology and Biochemistry , 37 : 235 – 239 .
   Google Scholar
• Loos , M. 1963 . A study of the clover root nodule bacteria , South Africa : University of Stellenbosch . MSc thesis
   Google Scholar
• McDonald , P , Edwards , R A , Greenhalgh , J FD and Morgan , C A . 2002 . Animal nutrition , Harlow : Pearson Education .
   Google Scholar
• Michaelson-Yeates , T PT , MacDuff , J H , Abberton , M T and Raistrick , N . 1998 . Characterization of novel inbred lines of white clover (Trifolium repens L.). II. Variation in N2 fixation, N03” uptake and their interactions . Euphytica , 103 : 45 – 54 .
   Google Scholar
• Moot , D J , Scott , W R , Roy , A M and Nicholls , A C . 2000 . Base temperature and thermal time requirements for germination and emergence of temperate pasture species . New Zealand Journal of Agricultural Research , 43 : 15 – 25 .
   Web of Science ®Google Scholar
• Mytton , LR. 1973 . The effect of seed weight on the early growth and nodulation of white clover . Annals of Applied Biology , 73 : 329 – 338 .
   Web of Science ®Google Scholar
• Prevost , D and Antoun , H . 2008 . “ Root nodule bacteria and symbiotic nitrogen fixation ” . In Soil sampling and methods of analysis , Edited by: Carter , M R and Gregorich , E G . 379 – 397 . Boca Raton : CRC Press . (2nd edn)
   Google Scholar
• Rys , G and Mytton , L . 1985 . The potential for breeding white clover (Trifolium repens L.) with improved nodulation and nitrogen fixation when grown with combined nitrogen . Plant and Soil , 88 : 181 – 195 .
   Google Scholar
• Soil Classification Working Group . 1991 . Soil classification: a taxonomic system for South Africa. Memoirs on the Natural Agricultural Resources of South Africa , Pretoria : Department of Agricultural Development . no. 15
   Google Scholar
• Somasegaran , P and Hoben , H . 1985 . Handbook for rhizobia: methods in /egu/ne-Rhizobium technology , Honolulu : US Agency for International Development .
   Google Scholar
• Swanepoel , P A , Botha , P R , Truter , W F and Surridge-Talbot , A KJ . 2010 . The relationship of Trifolium repens and T. ambiguum with host-specific Rhizobium bacteria for potential incorporation into sustainable, low N input pastures , South Africa : University of Pretoria . MSc (Agric) thesis
   Google Scholar
• Thomas , RG. 1987 . “ Reproductive development ” . In White clover , Edited by: Baker , M J and Williams , W M . 63 – 124 . Wallingford : CAB International .
   Google Scholar
• Walker , JA. 2009 . Kura clover (Trifolium ambiguum) seed production and establishment in Alberta , Edmonton, Canada : University of Alberta . PhD thesis
   Google Scholar
• Watkin , E LJ , O’Hara , G W , Howieson , J G and Glenn , A R . 2000 . Identification of tolerance to soil acidity in inoculant strains of Rhizobium leguminosarum bv . trifolii. Soil Biology and Biochemistry , 32 : 1393 – 1403 .
   Google Scholar
• Wlliams , WM. 1987 . “ Genetics and breeding ” . In White clover , Edited by: Baker , M J and Wlliams , W M . 343 – 420 . Wallingford : CAB International .
   Google Scholar