| Study on the production performance and nutritional quality of different oat varieties in the pastoral region of Eastern Qinghai Province |
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| DOI：10.7606/j.issn.1000-7601.2019.06.04 |
| Key Words: oat production performance biomass allocation nutritional quality Eastern Qinghai |
| Author Name | Affiliation | | WEI Xiaoxing | The Academy of Animal and Veterinary Science, Qinghai University, Key Laboratory of Superior Forage Germplasm in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China | | A Qilan | The Academy of Animal and Veterinary Science, Qinghai University, Key Laboratory of Superior Forage Germplasm in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China | | LIU Yong | The Academy of Animal and Veterinary Science, Qinghai University, Key Laboratory of Superior Forage Germplasm in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China | | JIA Zhifeng | The Academy of Animal and Veterinary Science, Qinghai University, Key Laboratory of Superior Forage Germplasm in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China | | SHI Hongxiao | Grassland Research Institute of the Chinse Academy of Agricultural Science, Hohhot, Inner Mongolia 010010, China | | ZHOU Qingping | Institute of Qinghai\|Tibetan Plateau, Southwest Minzu University, Chengdu, Sichuan 610041, China | | LIU Fang | National Animal Husbandry Service, Beijing 100126, China |
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| Abstract: |
| In this study, we compared four oats varieties (Ogle, Monida, Junma and Shahuangmai), which were cultivated in the Eastern of Qinghai region, about their productivity, biomass distribution, and nutritional quality. As the results shown, among the four oats varieties, the height of Shahuangmai (Shm) peaked at the heading stage (136.3 cm), and the fresh grass reached the maxinum yield at filling stage (21 716.73 kg·hm-2). At the same time, the shoot/leaf ratio of Shm was lower than that of other varieties, which indicated a higher leaf proportion in aboveground biomass. The range of the crude protein content of these four oats varieties were among 5.31%~8.54% and the neutral detergent fiber and acid detergent fiber content were among 54%~65% and 30%~40%, respectively. Overall, the nutritional quality of these four oats were little lower. More work need to be done to improve the introduced oat varieties from the agricultural practice in the local place. |
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