上海地区紫花苜蓿生产特点及主要保健营养成分的变化  

Production characteristics and changes of health protection nutrients in alfalfa in Shanghai

作　　者：胡雪华[1] 何亚丽[1] 顾巧英 周建华 张伟达 宋献策 

机构地区：[1]上海交通大学农业与生物学院,上海201101 [2]上海市农工商现代农业园区,上海201422

出　　处：《草业科学》2004年第8期33-40,共8页Pratacultural Science

基　　金：上海市科技发展基金 ( 0 1 391 2 1 0 6 ) ;上海交通大学-上海第二医科大学合作基金资助

摘　　要：选用EUREKA(FD8)和DERBY(FD5 ) 2个不同秋眠级别紫花苜蓿Medicagosativa品种 ,于 2 0 0 1年 1 0月-2 0 0 3年 1 0月在上海地区进行系统考察和研究。结果表明 :以上海为代表的过渡带地区 ,就年累计鲜草产量而言 ,半秋眠型品种DERBY极显著高于非秋眠型品种EUREKA ;2年各刈次鲜草产量分布特点表明 ,2个不同秋眠级别品种产量高峰都在入夏之前 ;EUREKA品种与DERBY品种相比 ,突出的产量优势表现在高温高湿、高温干旱的不利气候条件期间 ;2个不同秋眠级别品种 ,每年 3月中下旬的第 1刈次鲜草产量的高低都与越冬期间低温阴湿强度和持续时间密切相关 ;决定上海地区苜蓿年累计鲜草产量高低的关键是有利气候条件下的再生力和生长势 ;上海地区生产的苜蓿草粉 ,其主要保健营养成分及含量与西北地区草粉相近或略有超过 ,2个品种叶蛋白和粗多糖含量 ,年份间、刈次间都有较大波动。Two varieties of Alfalfa Medicago sativadiffering in fall dormancy (FD) rate, Eureka (FD8) and Derby(FD5), were evaluated in grass yields and health protection nutrient contents in Shanghai October 2001 through October 2003. Results from the field experiments and lab measurements are summarized in the following:1.The total fresh forage grass yield in Derby(FD5)were significantly higher than that in Eureka (FD8).2.The peaks of fresh grass yields of the both varieties were appeared in late spring according to the distribution of grass yields per cutting round year.3.Non-fall-dormancy variety Eureka (FD8) obtained higher yields over fall-dormancy variety Derby(FD5)only under high temperature and high humidity environmental conditions. 4.The yields of first cutting of the year in middle or last 10 days of March were highly related to the duration stage of low temperature and high humidity climate conditions in winter.5.The main effectors influencing the total grass yield round year were the growth and regrowth potentials of the variety under suitable climate conditions.6.The extraction rates of health protection nutrients from alfalfa powder produced in Shanghai were similar to or slightly higher than that in Northwestern China. The leaf protein concentrates and crude polysaccharide contents in both tested varieties varied largely with cuttings and years.

关 键 词：上海地区 紫花苜蓿 生产特点 保健水平 营养成分 

分 类 号：S54[农业科学—作物学]