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Phosphorus (P) deficiency increased the secretion of phytases from roots of various plant species. The secretory phytases were collected with a dialysis membrane tube for 24 hours from roots of sixteen plant species grown with low or adequate supply of P in nutrient solutions. The activity of not...


Li, MOsaki, MRao, Idupulapati M.Tadano, T[Secretion of phytase from the roots of several plant species under phosphorus-deficient conditions]Secretion of phytase from the roots of several plant species under phosphorus-deficient conditions

Three phases of Rhizobium inoculation trials were carried out as part of a programme to select forage legume germplasm adapted to acid, infertile Oxisols of tropical America. Firstly, a range of tropical forage legumes were evaluated for their response to N fertilization or inoculation with strai...


Sylvester-Bradley, Rosemary[Rhizobium inoculation trials designed to support a tropical forage legume selection programme]Rhizobium inoculation trials designed to support a tropical forage legume selection programme

The seed yields and limitations to seed production for four tropical grass cultivars were defined via a replicated field experiment conducted over three years at the Cerrados Agricultural Research Centre near Brasilia (latitude 15° 36' S; longitude 47° 42' W) in a tropical savanna region. The fou...


Andrade, Ronaldo P. deThomas, D.Ferguson, John E.[Seed production of pasture species in a tropical savanna region of Brazil. 2. Grasses]Seed production of pasture species in a tropical savanna region of Brazil. 2. Grasses

The phosphorus (P) content of whole roots and root apices has been reported to increase under aluminum (Al) stress, particularly in Al-sensitive plant varieties. We investigated the impact of Al toxicity on the P content of root apices of two tropical forage cultivars of the Brachiaria genus, gro...


Wenzl, PeterMayer, Jorge EdgardRao, Idupulapati M.[Aluminum stress inhibits accumulation of phosphorus in root apices of aluminum-sensitive but not aluminum-resistant brachiaria cultivar]Aluminum stress inhibits accumulation of phosphorus in root apices of aluminum-sensitive but not aluminum-resistant brachiaria cultivar
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

The effects of 3 different stocking rates (1, 2 and 3 cows/ha/yr) on sward structure and the amount and pattern of live leaf defoliation were studied at different hierarchical levels within swards of signal grass (Brachiaria decumbens ) pastures. Permanently marked plants and tillers were followe...


Busqué, J.Herrero, Mario T.[Sward structure and patterns of defoliation of signal grass (Brachiaria decumbens) pastures under different cattle grazing intensities]Sward structure and patterns of defoliation of signal grass (Brachiaria decumbens) pastures under different cattle grazing intensities
Dextre, R.Ayarza, Miguel AngelToledo, José M.Calderón, M.Lenne, J.M.Pizarro, Esteban A.[Pasture germplasm evaluation and agronomy]Pasture germplasm evaluation and agronomy
Ferrufino C., A.Lapointe, Stephen L.Bustamante, E.Duque E., Myriam Cristina[Efecto de Brachiaria spp. en el desarrollo y supervivencia de Zulia colombiana (Lallemand), (Homoptera cercopide 2a. parte)]Efecto de Brachiaria spp. en el desarrollo y supervivencia de Zulia colombiana (Lallemand), (Homoptera cercopide 2a. parte)
Ferrufino C., A.Lapointe, Stephen L.Bustamante, E.Duque E., Myriam Cristina[Efecto de Brachiaria spp. en el desarrollo y supervivencia Zulia colombiana (Lallemand), (Homoptera: Cercopidae)]Efecto de Brachiaria spp. en el desarrollo y supervivencia Zulia colombiana (Lallemand), (Homoptera: Cercopidae)
Cruz, R.Miles, John W.Roca, W.Cruz, G. de la[Apomixis y sexualidad en Brachiaria. 2. Estudios citoembriologicos]Apomixis y sexualidad en Brachiaria. 2. Estudios citoembriologicos

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