不同苜蓿品种的生产试验

Production Trial of Different Alfalfa Varieties

为了解不同品种的苜蓿在内蒙古鄂尔多斯市鄂托克前旗的生产性能表现,选取在该地区大面积种植利用的5个苜蓿品种(“SK3010”“巨能2号”“SR4030”“驯鹿”“金皇后”)作为研究对象,对其生产性能、产量、营养成分含量指标进行测定、分析和比较。结果表明,不同苜蓿品种的叶长与分枝数、主茎节间数之间具有显著相关性(P<0.05);产量与株高、侧枝数之间具有显著相关性(P<0.05);产量与株高的拟合方程为:y1=25802+17.26x1,二者呈显著正相关(P<0.05);产量与侧枝数的拟合方程为:y2=26842+4.20x2,二者呈显著正相关(P<0.05);各品种多年产量高低顺序为:“巨能2号”>“SR4030”>“金皇后”>“SK3010”>“驯鹿”;“驯鹿”“金皇后”“巨能2号”3个品种的蛋白质含量均超出国际标准(17.00%),粗蛋白质含量的高低顺序为:“驯鹿”=“金皇后”>“巨能2号”>“SR4030”>“SK3010”;“金皇后”“驯鹿”“SR4030”3个品种的粗脂肪含量均高于10.00%;“巨能2号”“SK3010”“SR4030”“金皇后”4个品种的粗纤维含量均超出30.00%。综上表明,在鄂托克前旗大面积推广利用“巨能2号”“SR4030”“金皇后”等苜蓿品种是可行的。

In order to characterize the production performance of different alfalfa varieties introduced in Otog Front Banner of Ordos City of Inner Mongolia,a total of 5 alfalfa varieties(′SK3010′′Giant energy No.2′′SR4030′′Caribou′′Golden queen′)planted and utilized in large area in this region were used as experimental research objects,and their production performance,yield and nutritional components were determiend and statistically compared.The results showed that there was a significant(P<0.05)correlation between leaf length and branch number and number of main stem nodes;there was a also significant(P<0.05)correlation between yield and plant height and number of lateral branches;the similarity equation between yield and plant height was y1=25802+17.26x1,and a significantly(P<0.05)positive correlation between them was observed;the similarity equation between yield and number of lateral branches was y2=26842+4.20x2,and they were significantly(P<0.05)positively related;the order of multi-year yield of the tested alfalfa varieties was′Giant energy No.2′>′SR4030′>′Golden queen′>′SK3010′>′Caribou′;the protein content of′Caribou′,′Golden queen′and′Giant energy No.2′all exceeded the international standards(17.00%),and the order of crude protein content was′Caribou′=′Golden queen′>′Giant energy No.2′>′SR4030′>′SK3010′;the crude fat content of′Golden queen′,′Caribou′and′SR4030′were all higher than 10.00%;the crude fiber content of′Giant energy No.2′,′SR4030′,′SK3010′and′Golden queen′all exceeded 30.00%.Based on the yield and quality indicators,our results demonstrated that the alfalfa varieties of′Giant energy No.2′′SR4030′′Golden queen′and the other tested varieties were feasible to be large-scale popularized and utilized in Otog Front Banner.