- Volume 28 Issue 6
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Gas Exchanges and Dehydration in Different Intensities of Conditioning in Tifton 85 Bermudagrass: Nutritional Value during Hay Storage
- Pasqualotto, M. (Department of Animal Science, Universidade Estadual do Oeste do Parana) ;
- Neres, M.A. (Department of Animal Science, Universidade Estadual do Oeste do Parana) ;
- Guimaraes, V.F. (Department of Animal Science, Universidade Estadual do Oeste do Parana) ;
- Klein, J. (Pontifical Catholic University) ;
- Inagaki, A.M. (Department of Animal Science, Universidade Estadual do Oeste do Parana) ;
- Ducati, C. (Department of Animal Science, Universidade Estadual do Oeste do Parana)
- Received : 2014.10.22
- Accepted : 2015.01.30
- Published : 2015.06.01
The present study aimed at evaluating the intensity of Tifton 85 conditioning using a mower conditioner with free-swinging flail fingers and storage times on dehydration curve, fungi presence, nutritional value and in vitro digestibility of Tifton 85 bermudagrass hay dry matter (DM). The dehydration curve was determined in the whole plant for ten times until the baling. The zero time corresponded to the plant before cutting, which occurred at 11:00 and the other collections were carried out at 8:00, 10:00, 14:00, and 16:00. The experimental design was randomised blocks with two intensities of conditioning (high and low) and ten sampling times, with five replications. The high and low intensities related to adjusting the deflector plate of the free iron fingers (8 and 18 cm). In order to determine gas exchanges during Tifton 85 bermudagrass dehydration, there were evaluations of mature leaves, which were placed in the upper middle third of each branch before the cutting, at every hour for 4 hours. A portable gas analyser was used by an infrared IRGA (6400xt). The analysed variables were photosynthesis (A), stomatal conductance (gs), internal
Haymaking;Mower Conditioner;Stomatal Conductance;Bermudagrass
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- Evaluation of Tifton 85 during hay production using different nitrogen fertilization rates and dehydration methods vol.12, pp.40, 2017, https://doi.org/10.5897/AJAR2017.12383