[1] Univ Dundee, Coll Life Sci, Dundee DD1 5EH, Scotland
[2] Natl Kaohsiung Marine Univ, Kaohsiung 811, Taiwan
[3] Univ York, Dept Biol, York, N Yorkshire YO10 5YW, England
[4] EMBRAPA Agrobiol, BR-23851970 Seropedica, RJ, Brazil
[5] EMBRAPA Cedrrados, BR-73301970 Brasilia, DF, Brazil
[6] Univ Oxford, Dept Plant Sci, Oxford OXI 3RB, England
[7] Univ Estadual Santa Cruz, Dept Ciencias Agrarias Ambientais, BR-45662000 Ilheus, BA, Brazil
[8] Univ Fed Mato Grosso, Fac Agron, Cuiaba, MT 78060, Brazil
[9] INRA, LSTM, IRD CIRAD AGROM UMII, F-34398 Montpellier, France