Post on 03-Jul-2015
description
PaspalumHistoryAgronomic performanceFuture perspectives
PaspalumHistoryAgronomic performanceFuture perspectives
Despite 100 years of agriculturalresearch and considerable investments in intensive pasture andanimal research based on exoticforages, indigenous grasses growingunder relative low-input, continue tomake a significant contribution tolivestock industries
Paspalum
Present-day pasturetechnology based on highinput systems seems lessrelevant to the likely demandsof the 21st century
Paspalum
Paspalum
HistoryAgronomic performanceFuture perspectives
DMY in the Cerrado
0.5 – 2Dry period2 – 30Wet period
DMYt ha -1
Growing season
Pure seed yield
200 – 900Paspalum spp.
220 – 350P. notatum
40 – 560P. dilatatum
60 – 400P. plicatulum
500P. guenoarum
200P. atratumSeed yield, kg ha -1Species
DMY and nutritive value
%
11121211
CP
599 - 11P. atratum604 - 8H. altissima606 - 10C. dactylon6211B. brizantha
IVDMDDMYt ha - 1Grass
P. atratum: liveweight gain
kg ha -1kg hd d -1
550 – 8000.100 – 0.700cv. Pojuca +A. pintoi
2400.710cv. Suerte
Liveweight gainCultivar
PaspalumHistoryAgronomic performanceFuture perspectives
Paspalum is analternative for the acidand low fertility soilsof tropical world