Effects of altitude and harvesting dates on morphological characteristics, yield and nutritive value of desho grass (Pennisetum pedicellatum Trin.) in Ethiopia
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Bimrew Asmare, Solomon Demeke, Taye Tolemariam, Aynalem Haile, Jane Wamatu. (Accepted on 5/11/2016). Effects of altitude and harvesting dates on morphological characteristics, yield and nutritive value of desho grass (Pennisetum pedicellatum Trin. ) in Ethiopia.
Abstract
The effects of altitude and harvesting period on the performance of desho grass were evaluated in Ethiopia. A factorial arrangement of treatments was employed with a combination of two altitudes and three harvesting dates. Planting and management of desho grass was undertaken according to recommendations for the species. The data collected consisted of the plant height, number of tillers, number and length of leaves, leaf-to-stem ratio and fresh yield. Chemical analysis of the constituents of the desho grass samples was completed according to standard procedures. All data were subjected to two analysis of variance procedures and Pearson correlation analysis, with significance tested at p<0. 05. The results indicated that most morphological characteristics were not significantly different due to altitude except the leaf length per plant. Harvesting dates significantly affected the number of leaves per plant, leaf-to-stem ratio and dry matter yield. Both altitude and harvesting date significantly affected the crude protein content, yield and fiber fractions. The calcium content was significantly different only regarding harvesting date. However, the phosphorus content was significantly affected by altitude. The dry matter content and yield were positively correlated with parameters such as plant height, leaf length per plant, crude protein ( CP) yield, fiber fractions ( neutral detergent fiber and acid detergent fiber) and with each other. The CP content was positively correlated with the CP yield. The overall results indicated that desho grass was more affected by harvesting date than altitude. Generally, desho grass performed well both at mid and high altitude in Ethiopia and could be a potential livestock feed in the country.
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Asmare, Bimrew https://orcid.org/0000-0002-1262-6196
Haile, Aynalem https://orcid.org/0000-0001-5914-0487
Wamatu, Jane https://orcid.org/0000-0003-3544-6718
Haile, Aynalem https://orcid.org/0000-0001-5914-0487
Wamatu, Jane https://orcid.org/0000-0003-3544-6718