1.In order to evaluate accurately the cold resistance of alfalfa varieties, this paper, aiming at development situation of many alfalfa varieties of low yield and strong cold resistance in North China, using for reference the physiology and biochemistry indexes, such as ELR, Pro, POD, which had been adopted in the identify of germ plasm resource, carried out systematical research on the cold resistance and production performance of 12 alfalfa varieties from home and abroad, by means of field observation, physiological and biochemical experiment as well as trial analysis.
针对我国北方冬季气候寒冷,许多苜蓿品种越冬率低的的现状,借鉴在农作物和牧草种质资源鉴定上广泛采用的生理生化指标,如质膜透性、脯氨酸含量以及过氧化物同工酶等比较苜蓿的抗寒性。 通过田间观察、生理生化试验、试验分析等方法对12个国内外苜蓿品种的抗寒性、生产性能及它们之间的相关性进行了系统的研究。
2.The effect of planting alfalfa on tilth in the water-short degree of local place was also little, but planting alfalfa on badlands pricked up the pressure of agriculture water resource, it would affect the sustainable development of alfalfa industry and others planting industry.
在耕地种植苜蓿对当地水资源状况几乎无影响,但利用荒地种植苜蓿加剧了当地水资源紧缺程度,影响苜蓿产业及其它种植业的可持续性发展。
3.It is concluded that legume grasses, such as Baoding No. 1, Soviet Uninn No. 1,Leicious alfalfa, South-Shanxi alfalfa, Peru alfalfa, Sainfoin, gramineous grass such as Dukangbrome, pasture brome, linken awnless brome, and over 10 species composite grass are suitable toestablish grass land at Fushan experiment site as dry farming area.
两年多试验研究初步认为，在浮山试区，豆科牧草保定苜蓿、苏联1号苜蓿、雷西斯苜蓿、晋南苜蓿、秘鲁苜蓿、红豆草，禾本科牧草杜康雀麦、草原雀麦、林肯无芒雀麦和菊科牧草菊苣等10种牧草是建立人工草地的高产优质牧草。
4.On the basis of the investigation into quantity characteristics of ear length, inflorescence flowers, number of pod and seeds of Long Ear alfalfa, the quantity characteristics of ear character of Long Ear alfalfa were statistically analyzed.
摘要在对长穗苜蓿穗长、小花数、荚果数和种子数调查的基础上，对长穗苜蓿品种的穗部性状的数量特征进行了统计分析。
5.Took the ecophysiological characteristics and graze yield as index to classfy 16 varieties of Alfalfa by Twinspan(Two-way Indicators species Analysis)in cornell ecological program(CEP). The results show that sixteen varieties of Alfalfa could been classified into seven categories by TWINSPAN.
应用“康乃尔生态学”程序(Cornell ecological program,CEP)中的二歧指示种分析TWINSPAN(Two-WayIndicators Species Analysis)数量分析方法,以不同紫花苜蓿品种的生理生态特性值和牧草产量值为指标对16个紫花苜蓿品种进行分类。
6.An experiment was conducted by intercropping maize and alfalfa to compare the yield, out put value, and photosynthesis of the two crops with those of the monocropped maize and alfalfa.
摘要本实验将玉米与苜蓿间作，研究单作及间作玉米、苜蓿的产量、产值以及光合作用。
7.The relationship between genetic variance and evolution and distributing of alfalfa germplasm in morphological, protein and DNA levels are studied by morphological, allozymes and AFLP technics using 40 accessions which come from main growth areas in northern China as objects and 34 accessions including American, Australian and France materials as checks. A primary result was obtained in the field of alfalfa genetic diversity in China.
本研究采用形态学、等位酶及AFLP分子标记技术，以中国苜蓿40份材料为样本，以美国、法国和澳大利亚的34份材料作对照，首次从表型、蛋白质和DNA三个水平对中国苜蓿品种资源的遗传变异与其进化和分布之间的关系进行了分析，取得了中国苜蓿品种资源遗传多样性分布规律的初步结果。
8.Most foreign alfalfa cultivars grew fast and were taller than native cultivar Guanzhong alfalfa. Defy, Total, Haygrazer were the tallest of all, and had growing rate more than 1.5-1.8 cm/d, and regrew quickly.
大部分国外品种比本地品种关中苜蓿生长速度快，株高也高于本地品种，以德福、全能、Haygrazer植株最高，其生长速度也较快，达1.5～1.8cm/d以上，其再生性也好。
9.5. Study on comprehensive resistance of different alfalfa varieties . This research based on four parts above analyses comprehensive resistance feature of 17 alfalfa varieties . Fuzzy analysis showed that strong resistance varieties were Abilene+Z, Apollo Supreme , Alfagraze and Agressor .
5．对不同盲淆品种抗逆性的综合研究：在上述研究的基础上，用模糊聚类法对17个首淆品种抗逆性综合评判表明：爱林十Z、超级阿波罗、牧野、胜利者等首蒂品种为高抗逆品种，保丰首蓉、爱博、全能十Z等首稽品种为低抗逆品种。
10.The results of the cluster analysis showed that although the alfalfa varieties were classified into different sub-groups based on floral features in ten varieties of alfalfa or the number of visiting bees, but they could be classified into the same two higher groups: one consisted of Algonquin, Shanbei, L173, Wl323 and Ladak, and the other consisted of Sanditi, Defa, Sitel, Prime and Derby.
对不同品种紫花苜蓿分别利用花部特征和访花蜂数进行聚类分析 ,结果显示小组划分虽然有所不同 ,但都能分为相同的两大组 ,即 :阿尔冈津、陕北、L173、WL32 3和拉达克聚为一大组 ,而三得利、德福、赛特、Prime和德宝聚为另一大组。
