| Comprehensive evaluation of the production performance of eight alfalfa varieties in the arid area of Qaidam |
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| DOI：10.7606/j.issn.1000-7601.2024.02.05 |
| Key Words: alfalfa production performance affiliation function comprehensive evaluation Qaidam arid area |
| Author Name | Affiliation | | XU Hang | Academy of Animal Husbandry and Veterinary Science, Qinghai University, Key Laboratory of Excellent Forage Germplasm Resources Utilization in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China | | HE Lin | Academy of Animal Husbandry and Veterinary Science, Qinghai University, Key Laboratory of Excellent Forage Germplasm Resources Utilization in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China | | SONG Meiqi | Academy of Animal Husbandry and Veterinary Science, Qinghai University, Key Laboratory of Excellent Forage Germplasm Resources Utilization in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China | | JIN Ling | Academy of Animal Husbandry and Veterinary Science, Qinghai University, Key Laboratory of Excellent Forage Germplasm Resources Utilization in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China | | BAO Gensheng | Academy of Animal Husbandry and Veterinary Science, Qinghai University, Key Laboratory of Excellent Forage Germplasm Resources Utilization in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China | | LIU Yong | Academy of Animal Husbandry and Veterinary Science, Qinghai University, Key Laboratory of Excellent Forage Germplasm Resources Utilization in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China | | WEI Xiaoxing | Academy of Animal Husbandry and Veterinary Science, Qinghai University, Key Laboratory of Excellent Forage Germplasm Resources Utilization in the Qinghai\|Tibetan Plateau, Xining, Qinghai 810016, China |
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| Abstract: |
| To screen alfalfa cultivars suitable for planting in the Qaidam arid area in Qinghai Province, eight introduced alfalfa cultivars were subjected to a production performance evaluation test from 2020 to 2022, and a comprehensive evaluation of high\|quality alfalfa cultivars suitable for planting in the Qaidam arid area was carried out by using the method of the affiliation function. The results of the two\|year experiment showed that: (1) In 2021, Dongmu No. 2 had the highest hay yield of 11 373.44 kg·hm-2 , and in 2022, Longmu 803 had the highest hay yield of 13 485.54 kg·hm-2. (2) 5909 had the highest crude protein and relative feeding value in both years, with values of 14.71% and 126.01, 14.07% and 128.01, respectively, while acid detergent fiber content was the lowest in both years, with values of 38.67% and 36.90%. Dongmu No. 2 had the lowest neutral detergent fiber content in both years, with values of 53.68% and 51.35%. (3) Based on the comprehensive evaluation of the production performance of each alfalfa variety by the affiliation function method, Dongmu No. 2, Longmu 803 and 5909 performed better in terms of comprehensive traits, with strong adaptability, optimal forage yield and quality in the Qaidam arid area, and it is recommended to give priority to local planting. |
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