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Cattle grazing effect on Mimosa pudica L. in tropical pasture system

Ajorlo, Majid and Abdullah, Ramdzani and Abdul Halim, Ridzwan and Ebrahimian, Mahboubeh (2014) Cattle grazing effect on Mimosa pudica L. in tropical pasture system. Pertanika Journal of Tropical Agricultural Science, 37 (2). pp. 249-261. ISSN 1511-3701; ESSN: 2231-8542

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Mimosa pudica is the most abundant and problematic invasive species in tropical pastures. This study investigates the effects of two cattle grazing systems, long-term moderate grazing (LTG, 2.7 animal unit/ha/yr for 33 years) and short-term heavy grazing (STG, 5 animal unit/ha/yr for 2 years) compared with ungrazed exclosure pasture on the invasion of M. pudica and its relationship with herbage production in tropical pasture. M. pudica and pasture production were concurrently sampled four times at the end of grass growing period at both grazed and ungrazed pastures. Mean density of M. pudica was 56% greater (P<0.05) in the LTG pasture than that in the ungrazed exclosure although it did not vary (P>0.05) between the STG pasture and ungrazed exclosure. Mean importance value (IV) of M. pudica in the LTG pasture was 46% lower (P<0.05) than that in the ungrazed exclosure, and this was 220% greater (P<0.05) in the STG pasture than that in the ungrazed exclosure. Pasture herbage production was unrelated (P>0.05) to the density, IV and dry matter (DM) of M. pudica in either pasture system. An insignificant negative relationship was found between the density and DM of M. pudica with pasture production. In contrast, a positive but insignificant relationship was observed between %IV of M. pudica and pasture production in both pasture sites. The LTG system had adverse effect on M. pudica population, whereas STG system supplied relatively desirable conditions for M. pudica establishment and infestation.

Item Type:Article
Keyword:Heavy grazing; Invasive species; Malaysia; Mimosa pudica; Moderate grazing; Pasture production
Faculty or Institute:Faculty of Agriculture
Faculty of Environmental Studies
Faculty of Forestry
Publisher:Universiti Putra Malaysia Press
ID Code:36716
Deposited By: Nabilah Mustapa
Deposited On:30 May 2015 14:36
Last Modified:30 May 2015 14:36

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